* [azerupi/mdBook](https://github.com/azerupi/mdBook) — a command line utility to create books from markdown files [<img src="https://travis-ci.org/azerupi/mdBook.svg?branch=master">](https://travis-ci.org/azerupi/mdBook)
* [darrint/device-blocker](https://github.com/darrint/device-blocker) — Limit screen time to children's various mobile devices by blocking internet access on the family Wifi router.
* [dlecan/generic-dns-update](https://github.com/dlecan/generic-dns-update) — a tool to update DNS zonefiles with your IP address [<img src="https://travis-ci.org/dlecan/generic-dns-update.svg?branch=master">](https://travis-ci.org/dlecan/generic-dns-update)
* [Factotum](https://github.com/snowplow/factotum) — [A system to programmatically run data pipelines](http://snowplowanalytics.com/blog/2016/04/09/introducing-factotum-data-pipeline-runner/) [<img src="https://travis-ci.org/snowplow/factotum.svg?branch=master">](https://travis-ci.org/snowplow/factotum)
* [intecture/api](https://github.com/intecture/api) — an API-driven server management and configuration tool [<img src="https://travis-ci.org/intecture/api.svg?branch=master">](https://travis-ci.org/intecture/api)
* [kbknapp/docli](https://github.com/kbknapp/docli-rs) — a command line utility for managing DigitalOcean infrastructure [<img src="https://travis-ci.org/kbknapp/docli-rs.svg?branch=master">](https://travis-ci.org/kbknapp/docli-rs)
* [indiscipline/zrtstr](https://github.com/indiscipline/zrtstr) — a command line utility for checking if stereo wav files are faux-stereo (i.e. have identical channels) and converting such files to mono. [<img src="https://travis-ci.org/indiscipline/zrtstr.svg?branch=master">](https://travis-ci.org/indiscipline/zrtstr)
* [pingcap/tikv](https://github.com/pingcap/tikv) — a distributed KV database in Rust [<img src="https://travis-ci.org/pingcap/tikv.svg?branch=master">](https://travis-ci.org/pingcap/tikv)
* [seppo0010/rsedis](https://github.com/seppo0010/rsedis) — a Redis reimplementation in Rust [<img src="https://travis-ci.org/seppo0010/rsedis.svg?branch=master">](https://travis-ci.org/seppo0010/rsedis)
* [lifthrasiir/angolmois-rust](https://github.com/lifthrasiir/angolmois-rust) — a minimalistic music video game which supports the BMS format [<img src="https://travis-ci.org/lifthrasiir/angolmois-rust.svg?branch=master">](https://travis-ci.org/lifthrasiir/angolmois-rust)
* [swatteau/sokoban-rs](https://github.com/swatteau/sokoban-rs) — a Sokoban implementation
* [Zone of Control](https://github.com/ozkriff/zoc) — a turn-based hexagonal strategy game [<img src="https://travis-ci.org/ozkriff/zoc.svg?branch=master">](https://travis-ci.org/ozkriff/zoc)
* [Twinklebear/tray_rust](https://github.com/Twinklebear/tray_rust) — a ray tracer [<img src="https://api.travis-ci.org/Twinklebear/tray_rust.svg">](https://travis-ci.org/Twinklebear/tray_rust)
* [Aaronepower/tokei](https://github.com/Aaronepower/tokei) — counts the lines of code [<img src="https://img.shields.io/travis/Aaronepower/tokei.svg">](https://travis-ci.org/Aaronepower/tokei)
* [buster/rrun](https://github.com/buster/rrun) — a command launcher for Linux, similar to gmrun [<img src="https://travis-ci.org/buster/rrun.svg?branch=master">](https://travis-ci.org/buster/rrun)
* [mmstick/systemd-manager](https://github.com/mmstick/systemd-manager) — a systemd service manager written in Rust using GTK-rs.
* [mmstick/tv-renamer](https://github.com/mmstick/tv-renamer) — a tv series renaming application with an optional GTK3 frontend. [<img src="https://travis-ci.org/mmstick/tv-renamer.svg?branch=master">](https://travis-ci.org/mmstick/tv-renamer)
* [ogham/exa](https://github.com/ogham/exa) — a replacement for 'ls' [<img src="https://travis-ci.org/ogham/exa.svg?branch=master">](https://travis-ci.org/ogham/exa)
* [sharkdp/fd](https://github.com/sharkdp/fd) — A simple, fast and user-friendly alternative to find. [![Build Status](https://travis-ci.org/sharkdp/fd.svg?branch=master)](https://travis-ci.org/sharkdp/fd)
* [uutils/coreutils](https://github.com/uutils/coreutils) — a cross-platform Rust rewrite of the GNU coreutils [<img src="https://travis-ci.org/uutils/coreutils.svg?branch=master">](https://travis-ci.org/uutils/coreutils)
* [gchp/iota](https://github.com/gchp/iota) — a simple text editor [<img src="https://travis-ci.org/gchp/iota.svg?branch=master">](https://travis-ci.org/gchp/iota)
* [mathall/rim](https://github.com/mathall/rim) — Vim-like text editor written in Rust [<img src="https://travis-ci.org/mathall/rim.svg?branch=master">](https://travis-ci.org/mathall/rim)
* [BurntSushi/ripgrep](https://github.com/BurntSushi/ripgrep) — combines the usability of The Silver Searcher with the raw speed of grep [<img src="https://travis-ci.org/BurntSushi/ripgrep.svg?branch=master">](https://travis-ci.org/BurntSushi/ripgrep)
* [BurntSushi/xsv](https://github.com/BurntSushi/xsv) — a fast CSV command line tool (slicing, indexing, selecting, searching, sampling, etc.) [<img src="https://travis-ci.org/BurntSushi/xsv.svg?branch=master">](https://travis-ci.org/BurntSushi/xsv)
* [yaa110/rubigo](https://github.com/yaa110/rubigo) — Golang dependency tool and package manager, written in Rust [<img src="https://travis-ci.org/yaa110/rubigo.svg?branch=master">](https://travis-ci.org/yaa110/rubigo)
* [tailhook/vagga](https://github.com/tailhook/vagga) — a containerization tool without daemons [<img src="https://travis-ci.org/tailhook/vagga.svg?branch=master">](https://travis-ci.org/tailhook/vagga)
* [dan-t/rusty-tags](https://github.com/dan-t/rusty-tags) — create ctags/etags for a cargo project and all of its dependencies [<img src="https://travis-ci.org/dan-t/rusty-tags.svg?branch=master">](https://travis-ci.org/dan-t/rusty-tags)
* [frewsxcv/crate-deps](https://github.com/frewsxcv/crate-deps) — generates images of dependency graphs for crates hosted on crates.io
* [killercup/rustfix](https://github.com/killercup/rustfix) — automatically applies the suggestions made by rustc [<img src="https://travis-ci.org/killercup/rustfix.svg?branch=master">](https://travis-ci.org/killercup/rustfix)
* [Rust Language Server](https://github.com/jonathandturner/rls) — a server that runs in the background, providing IDEs, editors, and other tools with information about Rust programs
* [artifact](https://github.com/vitiral/artifact) — the design doc tool made for developers [![Build Status](https://travis-ci.org/vitiral/artifact.svg?branch=master)](https://travis-ci.org/vitiral/artifact)
* [Cargo](https://crates.io/) — the Rust package manager
* [rsolomo/cargo-check](https://github.com/rsolomo/cargo-check) [[cargo-check](https://crates.io/crates/cargo-check)] — a wrapper around `cargo rustc -- -Zno-trans` which can be helpful for running a faster compile if you only need correctness checks [<img src="https://travis-ci.org/rsolomo/cargo-check.svg?branch=master">](https://travis-ci.org/rsolomo/cargo-check)
* [kbknapp/cargo-count](https://github.com/kbknapp/cargo-count) [[cargo-count](https://crates.io/crates/cargo-count)] — lists source code counts and details about cargo projects, including unsafe statistics [<img src="https://travis-ci.org/kbknapp/cargo-count.svg?branch=master">](https://travis-ci.org/kbknapp/cargo-count)
* [pwoolcoc/cargo-do](https://github.com/pwoolcoc/cargo-do) [[cargo-do](https://crates.io/crates/cargo-do)] — run multiple cargo commands in a row
* [maxsnew/cargo-dot](https://github.com/maxsnew/cargo-dot) — generate graphs of a Cargo project's dependencies [<img src="https://travis-ci.org/maxsnew/cargo-dot.svg?branch=master">](https://travis-ci.org/maxsnew/cargo-dot)
* [killercup/cargo-edit](https://github.com/killercup/cargo-edit) [[cargo-edit](https://crates.io/crates/cargo-edit)] — allows you to add and list dependencies by reading/writing to your Cargo.toml file from the command line [<img src="https://travis-ci.org/killercup/cargo-edit.svg?branch=master">](https://travis-ci.org/killercup/cargo-edit)
* [kbknapp/cargo-graph](https://github.com/kbknapp/cargo-graph) [[cargo-graph](https://crates.io/crates/cargo-graph)] — updated fork of `cargo-dot` with additional features [<img src="https://travis-ci.org/kbknapp/cargo-graph.svg?branch=master">](https://travis-ci.org/kbknapp/cargo-graph)
* [imp/cargo-info](https://gitlab.com/imp/cargo-info) [[cargo-info](https://crates.io/crates/cargo-info)] — queries crates.io for crates details from command line [<img src="https://travis-ci.org/imp/cargo-info.svg?branch=master">](https://travis-ci.org/imp/cargo-info)
* [regexident/cargo-modules](https://github.com/regexident/cargo-modules) [[cargo-modules](https://crates.io/crates/cargo-modules)] — A cargo plugin for showing a tree-like overview of a crate's modules. [<img src="https://travis-ci.org/regexident/cargo-modules.svg?branch=master">](https://travis-ci.org/regexident/cargo-modules)
* [kbknapp/cargo-outdated](https://github.com/kbknapp/cargo-outdated) [[cargo-outdated](https://crates.io/crates/cargo-outdated)] — displays when newer versions of Rust dependencies are available, or out of date [<img src="https://travis-ci.org/kbknapp/cargo-outdated.svg?branch=master">](https://travis-ci.org/kbknapp/cargo-outdated)
* [sunng87/cargo-release](https://github.com/sunng87/cargo-release) [[cargo-release](https://crates.io/crates/cargo-release)] — tool for releasing git-managed cargo project, build, tag, publish, doc and push
* [DanielKeep/cargo-script](https://github.com/DanielKeep/cargo-script) [[cargo-script](https://crates.io/crates/cargo-script)] — lets people quickly and easily run Rust "scripts" which can make use of Cargo's package ecosystem
* [passcod/cargo-watch](https://github.com/passcod/cargo-watch) [[cargo-watch](https://crates.io/crates/cargo-watch)] — utility for cargo to compile projects when sources change [<img src="https://travis-ci.org/passcod/cargo-watch.svg?branch=master">](https://travis-ci.org/passcod/cargo-watch)
* [SiegeLord/RustCMake](https://github.com/SiegeLord/RustCMake) — an example project showing usage of CMake with Rust [<img src="https://travis-ci.org/SiegeLord/RustCMake.svg?branch=master">](https://travis-ci.org/SiegeLord/RustCMake)
* [gdbgui](https://github.com/cs01/gdbgui) — Browser based frontend for gdb to debug C, C++, Rust, and go. [<img src="https://travis-ci.org/cs01/gdbgui.svg?branch=master">](https://travis-ci.org/cs01/gdbgui)
* [lldb_batchmode.py](https://github.com/rust-lang/rust/blob/master/src/etc/lldb_batchmode.py) — allows to use LLDB in a way similar to GDB's batch mode.
* [CodeLLDB](https://marketplace.visualstudio.com/items?itemName=vadimcn.vscode-lldb) — a LLDB extension for [Visual Studio Code](https://code.visualstudio.com/).
* [emk/rust-musl-builder](https://github.com/emk/rust-musl-builder) — Docker images for compiling static Rust binaries using musl-libc and musl-gcc, with static versions of useful C libraries
* [kpcyrd/mini-docker-rust](https://github.com/kpcyrd/mini-docker-rust) — An example project for very small rust docker images [<img src="https://travis-ci.org/kpcyrd/mini-docker-rust.svg?branch=master">](https://travis-ci.org/kpcyrd/mini-docker-rust)
* [japaric/rust-cross](https://github.com/japaric/rust-cross) — everything you need to know about cross compiling Rust programs [<img src="https://travis-ci.org/japaric/rust-cross.svg?branch=master">](https://travis-ci.org/japaric/rust-cross)
* [japaric/xargo](https://github.com/japaric/xargo) — effortless cross compilation of Rust programs to custom bare-metal targets like ARM Cortex-M [<img src="https://travis-ci.org/japaric/xargo.svg?branch=master">](https://travis-ci.org/japaric/xargo)
* [Ogeon/rust-on-raspberry-pi](https://github.com/Ogeon/rust-on-raspberry-pi) — instructions for how to cross compile Rust projects for the Raspberry Pi .
See also [Foreign Function Interface](https://doc.rust-lang.org/book/ffi.html), [The Rust FFI Omnibus](http://jakegoulding.com/rust-ffi-omnibus/) (a collection of examples of using code written in Rust from other languages) and [FFI examples written in Rust](https://github.com/alexcrichton/rust-ffi-examples).
* [drrb/java-rust-example](https://github.com/drrb/java-rust-example) — use Rust from Java [<img src="https://travis-ci.org/drrb/java-rust-example.svg?branch=master">](https://travis-ci.org/drrb/java-rust-example)
* [GravityScore/RustJNI](https://github.com/GravityScore/RustJNI) — use Java from Rust [<img src="https://travis-ci.org/GravityScore/RustJNI.svg?branch=master">](https://travis-ci.org/GravityScore/RustJNI)
* [kud1ing/rucaja](https://github.com/kud1ing/rucaja) [[rucaja](https://crates.io/crates/rucaja)] — use Java from Rust [<img src="https://travis-ci.org/kud1ing/rucaja.svg?branch=master">](https://travis-ci.org/kud1ing/rucaja)
* [prevoty/jni-rs](https://github.com/prevoty/jni-rs) [[jni](https://crates.io/crates/jni)] — use Rust from Java [<img src="https://travis-ci.org/prevoty/jni-rs.svg?branch=master">](https://travis-ci.org/prevoty/jni-rs)
* [rustbridge/neon](https://github.com/rustbridge/neon) — use Rust from Node.js [<img src="https://travis-ci.org/rustbridge/neon.svg?branch=master">](https://travis-ci.org/rustbridge/neon)
* [rustr/rustr](https://github.com/rustr/rustr) — use Rust from R, and use R in Rust [<img src="https://travis-ci.org/rustr/rustr.svg?branch=master">](https://travis-ci.org/rustr/rustr)
* [rust-mode](https://github.com/rust-lang/rust-mode) — Rust Major Mode
* [flycheck-rust](https://github.com/flycheck/flycheck-rust) — Rust support for [Flycheck](https://github.com/flycheck/flycheck)
* [emacs-racer](https://github.com/racer-rust/emacs-racer) — Autocompletion (see also [company](https://company-mode.github.io) and [auto-complete](https://github.com/auto-complete/auto-complete))
* [Vim](http://www.vim.org/) — the ubiquitous text editor
* [rust.vim](https://github.com/rust-lang/rust.vim) — provides file detection, syntax highlighting, formatting, Syntastic integration, and more.
* [vim-cargo](https://github.com/timonv/vim-cargo) — command bindings to quickly run cargo stuff from vim.
* [vim-racer](https://github.com/racer-rust/vim-racer) — allows vim to use [Racer](https://github.com/phildawes/racer) for Rust code completion and navigation.
* [PistonDevelopers/VisualRust](https://github.com/PistonDevelopers/VisualRust) — a Visual Studio extension for Rust [<img src="https://travis-ci.org/PistonDevelopers/VisualRust.svg?branch=master">](https://travis-ci.org/PistonDevelopers/VisualRust)
* [sfikas/rusteval](https://github.com/sfikas/rusteval) — A tool used to evaluate the output of retrieval algorithms [![Build Status](https://travis-ci.org/sfikas/rusteval.svg?branch=master)](https://travis-ci.org/sfikas/rusteval)
* [farcaller/shiny](https://github.com/farcaller/shiny) — a fancy syntax similar to Ruby's Rspec or Objective-C' kiwi [<img src="https://travis-ci.org/farcaller/shiny.svg?branch=master">](https://travis-ci.org/farcaller/shiny)
* [frewsxcv/afl.rs](https://github.com/frewsxcv/afl.rs) — a Rust fuzzer, using [AFL](http://lcamtuf.coredump.cx/afl/) [<img src="https://api.travis-ci.org/frewsxcv/afl.rs.svg?branch=master">](https://travis-ci.org/frewsxcv/afl.rs)
* [flosse/rust-sun](https://github.com/flosse/rust-sun) — A rust port of the JS library suncalc [<img src="https://travis-ci.org/flosse/rust-sun.svg?branch=master">](https://travis-ci.org/flosse/rust-sun)
* [zonyitoo/coio-rs](https://github.com/zonyitoo/coio-rs) — a coroutine I/O library with a working-stealing scheduler [<img src="https://travis-ci.org/zonyitoo/coio-rs.svg?branch=master">](https://travis-ci.org/zonyitoo/coio-rs)
* [carllerche/mio](https://github.com/carllerche/mio) — MIO is a lightweight IO library for Rust with a focus on adding as little overhead as possible over the OS abstractions [<img src="https://travis-ci.org/carllerche/mio.svg?branch=master">](https://travis-ci.org/carllerche/mio)
* [jhasse/ears](https://github.com/jhasse/ears) — a simple library to play Sounds and Musics, on top of OpenAL and libsndfile [<img src="https://travis-ci.org/jhasse/ears.svg?branch=master">](https://travis-ci.org/jhasse/ears)
* [jaysonsantos/bmemcached-rs](https://github.com/jaysonsantos/bmemcached-rs) — Memcached library written in pure rust [<img src="https://travis-ci.org/jaysonsantos/bmemcached-rs.svg?branch=master">](https://travis-ci.org/jaysonsantos/bmemcached-rs)
* [aturon/crossbeam](https://github.com/aturon/crossbeam) – Support for parallelism and low-level concurrency in Rust [<img src="https://travis-ci.org/aturon/crossbeam.svg?branch=master">](https://travis-ci.org/aturon/crossbeam)
* [nikomatsakis/rayon](https://github.com/nikomatsakis/rayon) – A data parallelism library for Rust [<img src="https://travis-ci.org/nikomatsakis/rayon.svg?branch=master">](https://travis-ci.org/nikomatsakis/rayon)
* [docopt/docopt.rs](https://github.com/docopt/docopt.rs) — a Rust implementation of [DocOpt](http://docopt.org) [<img src="https://travis-ci.org/docopt/docopt.rs.svg?branch=master">](https://travis-ci.org/docopt/docopt.rs)
* [kbknapp/clap-rs](https://github.com/kbknapp/clap-rs) — a simple to use, full featured command-line argument parser [<img src="https://travis-ci.org/kbknapp/clap-rs.svg?branch=master">](https://travis-ci.org/kbknapp/clap-rs)
* [alexcrichton/tar-rs](https://github.com/alexcrichton/tar-rs) — tar archive reading/writing in Rust [<img src="https://travis-ci.org/alexcrichton/tar-rs.svg?branch=master">](https://travis-ci.org/alexcrichton/tar-rs)
* [mvdnes/zip-rs](https://github.com/mvdnes/zip-rs) — read and write ZIP archives [![Build Status](https://travis-ci.org/mvdnes/zip-rs.svg?branch=master)](https://travis-ci.org/mvdnes/zip-rs)
* [autumnai/collenchyma](https://github.com/autumnai/collenchyma) — An extensible, pluggable, backend-agnostic framework for parallel, high-performance computations on CUDA, OpenCL and common host CPU. [<img src="https://travis-ci.org/autumnai/collenchyma.svg?branch=master">](https://travis-ci.org/autumnai/collenchyma)
* [mehcode/config-rs](https://github.com/mehcode/config-rs) [[config](https://crates.io/crates/config)] — Layered configuration system for Rust applications (with strong support for 12-factor applications). [<img src="https://travis-ci.org/mehcode/config-rs.svg?branch=master">](https://travis-ci.org/mehcode/config-rs)
* [briansmith/ring](https://github.com/briansmith/ring) — Safe, fast, small crypto using Rust and BoringSSL's cryptography primitives. [<img src="https://travis-ci.org/briansmith/ring.svg?branch=master">](https://travis-ci.org/briansmith/ring)
* [briansmith/webpki](https://github.com/briansmith/webpki) — Web PKI TLS X.509 certificate validation in Rust. [<img src="https://travis-ci.org/briansmith/webpki.svg?branch=master">](https://travis-ci.org/briansmith/webpki)
* [lispyclouds/mpw-rs](https://github.com/lispyclouds/mpw-rs) — Pure Rust implementation of the Master Password password manager [<img src="https://travis-ci.org/lispyclouds/mpw-rs.svg?branch=master">](https://travis-ci.org/lispyclouds/mpw-rs)
* [tupshin/cassandra-rs](https://github.com/tupshin/cassandra-rs) — bindings to the C++ client [<img src="https://travis-ci.org/tupshin/cassandra-rs.svg?branch=master">](https://travis-ci.org/tupshin/cassandra-rs)
* [chill-rs/chill](https://github.com/chill-rs/chill) [[couchdb](https://crates.io/crates/chill)] — a Rust client for the CouchDB REST API [<img src="https://travis-ci.org/chill-rs/chill.svg?branch=master">](https://travis-ci.org/chill-rs/chill)
* [benashford/rs-es](https://github.com/benashford/rs-es) [[rs-es](https://crates.io/crates/rs-es)] — a Rust client for the [Elastic](https://www.elastic.co/) REST API [<img src="https://travis-ci.org/benashford/rs-es.svg?branch=master">](https://travis-ci.org/benashford/rs-es)
* [elastic-rs/elastic-reqwest](https://github.com/elastic-rs/elastic-reqwest) [[elastic_reqwest](https://crates.io/crates/elastic_reqwest)] — a lightweight implementation of the Elasticsearch API based on Reqwest [<img src="https://travis-ci.org/elastic-rs/elastic-reqwest.svg">](https://travis-ci.org/elastic-rs/elastic-reqwest)
* [AgilData/mysql-proxy-rs](https://github.com/AgilData/mysql-proxy-rs) — a MySQL Proxy [<img src="https://travis-ci.org/AgilData/mysql-proxy-rs.svg?branch=master">](https://travis-ci.org/AgilData/mysql-proxy-rs)
* [blackbeam/mysql_async](https://github.com/blackbeam/mysql_async) [[mysql_async](https://crates.io/crates/mysql_async)] — asyncronous Rust Mysql driver based on Tokio. [<img src="https://travis-ci.org/blackbeam/mysql_async.svg?branch=master">](https://travis-ci.org/blackbeam/mysql_async)
* [blackbeam/rust-mysql-simple](https://github.com/blackbeam/rust-mysql-simple) [[mysql](https://crates.io/crates/mysql)] — a native MySql client [<img src="https://travis-ci.org/blackbeam/rust-mysql-simple.svg?branch=master">](https://travis-ci.org/blackbeam/rust-mysql-simple)
* [diesel-rs/diesel](https://github.com/diesel-rs/diesel) — an ORM and Query builder for Rust [![Build Status](https://api.travis-ci.org/diesel-rs/diesel.svg)](https://travis-ci.org/diesel-rs/diesel)
* [ivanceras/rustorm](https://github.com/ivanceras/rustorm) — an ORM for Rust [![Build Status](https://api.travis-ci.org/ivanceras/rustorm.svg)](https://travis-ci.org/ivanceras/rustorm)
* [danielpclark/array_tool](https://github.com/danielpclark/array_tool) — Array helpers for Rust. Some of the most common methods you would use on Arrays made available on Vectors. Polymorphic implementations for handling most of your use cases. [<img src="https://api.travis-ci.org/danielpclark/array_tool.svg?branch=master">](https://travis-ci.org/danielpclark/array_tool)
* [fizyk20/generic-array](https://github.com/fizyk20/generic-array) – a hack to allow for arrays sized by typenums [<img src="https://travis-ci.org/fizyk20/generic-array.svg?branch=master">](https://travis-ci.org/fizyk20/generic-array)
* [Nemo157/roaring-rs](https://github.com/Nemo157/roaring-rs) – Roaring Bitmaps in Rust [<img src="https://travis-ci.org/Nemo157/roaring-rs.svg?branch=master">](https://travis-ci.org/Nemo157/roaring-rs)
* [serde-rs/serde](https://github.com/serde-rs/serde) — a framework to generically serialize Rust data structures [<img src="https://api.travis-ci.org/serde-rs/serde.svg?branch=master">](https://travis-ci.org/serde-rs/serde)
* [lettre/lettre](https://github.com/lettre/lettre) — an SMTP-library for Rust [<img src="https://travis-ci.org/lettre/lettre.svg?branch=master">](https://travis-ci.org/lettre/lettre)
* [arcnmx/nue](https://github.com/arcnmx/nue) — I/O and binary data encoding for Rust [<img src="https://travis-ci.org/arcnmx/nue.svg?branch=master">](https://travis-ci.org/arcnmx/nue)
* [TyOverby/bincode](https://github.com/TyOverby/bincode) — a binary encoder/decoder in Rust [<img src="https://travis-ci.org/TyOverby/bincode.svg?branch=master">](https://travis-ci.org/TyOverby/bincode)
* [Florob/RustyXML](https://github.com/Florob/RustyXML) — an XML parser written in Rust [<img src="https://travis-ci.org/Florob/RustyXML.svg?branch=master">](https://travis-ci.org/Florob/RustyXML)
* [shepmaster/sxd-document](https://github.com/shepmaster/sxd-document) — An XML library in Rust [<img src="https://travis-ci.org/shepmaster/sxd-document.svg?branch=master">](https://travis-ci.org/shepmaster/sxd-document)
* [shepmaster/sxd-xpath](https://github.com/shepmaster/sxd-xpath) — An XPath library in Rust [<img src="https://travis-ci.org/shepmaster/sxd-xpath.svg?branch=master">](https://travis-ci.org/shepmaster/sxd-xpath)
* [netvl/xml-rs](https://github.com/netvl/xml-rs) — a streaming XML library [<img src="https://travis-ci.org/netvl/xml-rs.svg?branch=master">](https://travis-ci.org/netvl/xml-rs)
* [vityafx/challonge-rs](https://github.com/vityafx/challonge-rs) [[challonge](https://crates.io/crates/challonge)] — Client library for the Challonge REST API. Helps to organize tournaments. [<img src="https://travis-ci.org/vityafx/challonge-rs.svg?branch=master">](https://travis-ci.org/vityafx/challonge-rs)
* [rust-reverse-geocoder](https://github.com/llambda/rust-reverse-geocoder) — a fast, offline reverse geocoder in Rust, inspired by https://github.com/thampiman/reverse-geocoder
* [gfx-rs/gfx](https://github.com/gfx-rs/gfx) — A high-performance, bindless graphics API for Rust. [<img src="https://img.shields.io/travis/gfx-rs/gfx/master.svg">](https://travis-ci.org/gfx-rs/gfx)
* [dylanede/rusttype](https://github.com/dylanede/rusttype) — a pure Rust alternative to libraries like FreeType [<img src="https://img.shields.io/travis/dylanede/rusttype/master.svg">](https://travis-ci.org/dylanede/rusttype)
* [Kiss3d](http://kiss3d.org) — draw simple geometric figures and play with them with one-liners [<img src="https://api.travis-ci.org/sebcrozet/kiss3d.svg?branch=master">](https://api.travis-ci.org/sebcrozet/kiss3d)
* [tomaka/glium](https://github.com/tomaka/glium) — safe OpenGL wrapper for the Rust language. [<img src="https://travis-ci.org/tomaka/glium.svg?branch=master">](https://travis-ci.org/tomaka/glium)
* [tomaka/glutin](https://github.com/tomaka/glutin) — Rust alternative to [GLFW](http://www.glfw.org/) [<img src="https://travis-ci.org/tomaka/glutin.svg?branch=master">](https://travis-ci.org/tomaka/glutin)
* [kud1ing/tinkerpop-rs](https://github.com/kud1ing/tinkerpop-rs) — an example how to use Apache TinkerPop from Rust [<img src="https://travis-ci.org/kud1ing/tinkerpop-rs.svg?branch=master">](https://travis-ci.org/kud1ing/tinkerpop-rs)
* [PistonDevelopers/conrod](https://github.com/PistonDevelopers/conrod/) — An easy-to-use, immediate-mode, 2D GUI library written entirely in Rust [<img src="https://travis-ci.org/PistonDevelopers/conrod.svg?branch=master">](https://travis-ci.org/PistonDevelopers/conrod)
* [Kiss-ui](https://github.com/KISS-UI/kiss-ui) — a simple UI framework built on IUP [![Build Status](https://travis-ci.org/cybergeek94/kiss-ui.svg?branch=master)](https://travis-ci.org/cybergeek94/kiss-ui)
* [gchp/rustbox](https://github.com/gchp/rustbox) — a Rust implementation of Termbox [<img src="https://travis-ci.org/gchp/rustbox.svg?branch=master">](https://travis-ci.org/gchp/rustbox)
* [PistonDevelopers/image](https://github.com/PistonDevelopers/image) — Basic imaging processing functions and methods for converting to and from image formats [<img src="https://travis-ci.org/PistonDevelopers/image.svg?branch=master">](https://travis-ci.org/PistonDevelopers/image)
* [tensorflow/rust](https://github.com/tensorflow/rust) — Rust language bindings for TensorFlow. [![Build Status](https://travis-ci.org/tensorflow/rust.svg?branch=master)](https://travis-ci.org/tensorflow/rust)
* [tomaka/android-rs-glue](https://github.com/tomaka/android-rs-glue) — glue between Rust and Android [<img src="https://travis-ci.org/tomaka/android-rs-glue.svg?branch=master">](https://travis-ci.org/tomaka/android-rs-glue)
* iOS
* [TimNN/cargo-lipo](https://github.com/TimNN/cargo-lipo) — a cargo lipo subcommand which automatically creates a universal library for use with your iOS application. [<img src="https://travis-ci.org/TimNN/cargo-lipo.svg?branch=master">](https://travis-ci.org/TimNN/cargo-lipo)
* [vhbit/ObjCrust](https://github.com/vhbit/ObjCrust) — using Rust to create an iOS static library [<img src="https://travis-ci.org/vhbit/ObjCrust.svg?branch=master">](https://travis-ci.org/vhbit/ObjCrust)
* [mattnenterprise/rust-ftp](https://github.com/mattnenterprise/rust-ftp) — an [FTP](https://en.wikipedia.org/wiki/File_Transfer_Protocol) client for Rust [<img src="https://travis-ci.org/mattnenterprise/rust-ftp.svg?branch=master">](https://travis-ci.org/mattnenterprise/rust-ftp)
* [tokio-rs/tokio](https://github.com/tokio-rs/tokio) — a network application framework for rapid development and highly scalable production deployments of clients and servers.
* [mattnenterprise/rust-nntp](https://github.com/mattnenterprise/rust-nntp) — an [NNTP](https://en.wikipedia.org/wiki/Network_News_Transfer_Protocol) client for Rust [<img src="https://travis-ci.org/mattnenterprise/rust-nntp.svg?branch=master">](https://travis-ci.org/mattnenterprise/rust-nntp)
* [mattnenterprise/rust-pop3](https://github.com/mattnenterprise/rust-pop3) — a [POP3](https://en.wikipedia.org/wiki/Post_Office_Protocol) client for Rust [<img src="https://travis-ci.org/mattnenterprise/rust-pop3.svg?branch=master">](https://travis-ci.org/mattnenterprise/rust-pop3)
* [meqif/rust-utp](https://github.com/meqif/rust-utp) — a [uTP](http://www.bittorrent.org/beps/bep_0029.html) (Micro Transport Protocol) library for Rust. [<img src="https://travis-ci.org/meqif/rust-utp.svg?branch=master">](https://travis-ci.org/meqif/rust-utp)
* [m4rw3r/chomp](https://github.com/m4rw3r/chomp) – A fast monadic-style parser combinator [<img src="https://travis-ci.org/m4rw3r/chomp.svg?branch=master">](https://travis-ci.org/m4rw3r/chomp)
* [nrc/zero](https://github.com/nrc/zero) — zero-allocation parsing of binary data [<img src="https://travis-ci.org/nrc/zero.svg?branch=master">](https://travis-ci.org/nrc/zero)
* [rustless/queryst](https://github.com/rustless/queryst) — a query string parsing library for Rust inspired by https://github.com/ljharb/qs [![Build Status](https://travis-ci.org/rustless/queryst.svg?branch=master)](https://travis-ci.org/rustless/queryst)
* [retep998/winapi-rs](https://github.com/retep998/winapi-rs) — Windows API bindings [<img src="https://travis-ci.org/retep998/winapi-rs.svg?branch=master">](https://travis-ci.org/retep998/winapi-rs)
* [PistonDevelopers/dyon](https://github.com/PistonDevelopers/dyon) - A rusty dynamically typed scripting language
* [gluon-lang/gluon](https://github.com/gluon-lang/gluon) - A small, statically-typed, functional programming language
* [murarth/ketos](https://github.com/murarth/ketos) - A Lisp dialect functional programming language serving as a scripting and extension language for rust
* [kaj/ructe](https://github.com/kaj/ructe) — HTML template system for Rust [<img src="https://travis-ci.org/kaj/ructe.svg?branch=master">](https://travis-ci.org/kaj/ructe)
* [Keats/tera](https://github.com/Keats/tera) — template engine based on Jinja2 and the Django template language. [<img src="https://travis-ci.org/Keats/tera.svg?branch=master">](https://travis-ci.org/Keats/tera)
* [BurntSushi/suffix](https://github.com/BurntSushi/suffix) — Linear time suffix array construction (with Unicode support) [<img src="https://travis-ci.org/BurntSushi/suffix.svg?branch=master">](https://travis-ci.org/BurntSushi/suffix)
* [greyblake/whatlang-rs](https://github.com/greyblake/whatlang-rs) — Natural language detection library based on trigrams [<img src="https://travis-ci.org/greyblake/whatlang-rs.svg?branch=master">](https://travis-ci.org/greyblake/whatlang-rs)
* [GildedHonour/frank_jwt](https://github.com/GildedHonour/frank_jwt) - JSON Web Token implementation in Rust. [<img src="https://travis-ci.org/iron/iron.svg?branch=master">](https://travis-ci.org/iron/iron)
* [Iron](https://github.com/iron/iron) — a middleware-based server framework [<img src="https://travis-ci.org/GildedHonour/frank_jwt.svg?branch=master">](https://travis-ci.org/GildedHonour/frank_jwt)
* [sunng87/handlebars-iron](https://github.com/sunng87/handlebars-iron) — [Handlebars-rust](https://github.com/sunng87/handlebars-rust) as an Iron web framework middleware. [<img src="https://travis-ci.org/sunng87/handlebars-iron.svg?branch=master">](https://travis-ci.org/sunng87/handlebars-iron)
* [Ogeon/rustful](https://github.com/Ogeon/rustful) — a RESTful web framework for Rust [<img src="https://travis-ci.org/Ogeon/rustful.svg?branch=master">](https://travis-ci.org/Ogeon/rustful)
* [Rocket](https://github.com/SergioBenitez/Rocket) — Rocket is web framework for Rust (nightly) with a focus on ease-of-use, expressability, and speed [<img src="https://travis-ci.org/SergioBenitez/Rocket.svg?branch=master">](https://travis-ci.org/SergioBenitez/Rocket)
* [Rustless](https://github.com/rustless/rustless) — a REST-like API micro-framework inspired by [Grape](https://github.com/ruby-grape/grape) and [Hyper](https://github.com/hyperium/hyper) [<img src="https://travis-ci.org/rustless/rustless.svg?branch=master">](https://travis-ci.org/rustless/rustless)
* [sappworks/sapper](https://github.com/sappworks/sapper) — A lightweight web framework built on async hyper, implemented in Rust language. [<img src="https://travis-ci.org/sappworks/sapper.svg?branch=master">](https://travis-ci.org/tomaka/rouille)
* [tomaka/rouille](https://github.com/tomaka/rouille) — Web framework in Rust[<imgsrc="https://travis-ci.org/tomaka/rouille.svg?branch=master">](https://travis-ci.org/tomaka/rouille)
* [cyderize/rust-websocket](https://github.com/cyderize/rust-websocket) — a framework for dealing with WebSocket connections (both clients and servers) [<img src="https://travis-ci.org/cyderize/rust-websocket.svg?branch=master">](https://travis-ci.org/cyderize/rust-websocket)
* [housleyjk/ws-rs](https://github.com/housleyjk/ws-rs) — lightweight, event-driven WebSockets for Rust [<img src="https://travis-ci.org/housleyjk/ws-rs.svg?branch=stable">](https://travis-ci.org/housleyjk/ws-rs)
* [vityafx/urlshortener-rs](https://github.com/vityafx/urlshortener-rs) [[urlshortener](https://crates.io/crates/urlshortener)] — A very simple urlshortener library for Rust. [<img src="https://travis-ci.org/vityafx/urlshortener-rs.svg?branch=master">](https://travis-ci.org/vityafx/urlshortener-rs)
* [doublifyapis/toolkit-rust](https://github.com/doublifyapis/toolkit-rust) - Doublify API toolkit for Rust [<img src="https://travis-ci.org/doublifyapis/toolkit-rust.svg?branch=master">](https://travis-ci.org/doublifyapis/toolkit-rust)
* [TeXitoi/benchmarksgame-rs](https://github.com/TeXitoi/benchmarksgame-rs) — Rust implementations for the [The Computer Language Benchmarks Game](http://benchmarksgame.alioth.debian.org/) [<img src="https://travis-ci.org/TeXitoi/benchmarksgame-rs.svg?branch=master">](https://travis-ci.org/TeXitoi/benchmarksgame-rs)
* [Learning systems programming with Rust](https://speakerdeck.com/jvns/learning-systems-programming-with-rust) — Presented by [Julia Evans](https://twitter.com/@b0rk) @ Rustconf 2016.
* [Learning Rust With Entirely Too Many Linked Lists](http://cglab.ca/~abeinges/blah/too-many-lists/book/) — in-depth exploration of Rust's memory management rules, through implementing a few different types of list structures.