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GSoC 2021 Ideas
2021 is Joplin second round at Google Summer of Code. Detailed information on how to get involved and apply are given in the general Summer of Code introduction
These are all proposals! We are open to new ideas you might have!! Do you have an awesome idea you want to work on with Joplin but that is not among the ideas below? That's cool. We love that! But please do us a favour: Get in touch with a mentor early on and make sure your project is realistic and within the scope of Joplin. Just make sure your idea is within this year's theme:
- Plugin development - implementing new features using Joplin's plugin system.
- External desktop applications - build external Joplin applications by retrieving, creating or modifying notes via the Data API.
- External server applications - leverage the Joplin Server API to provide online features to Joplin users.
Information for Students
These ideas were contributed by our developers and users. They are sometimes vague or incomplete. If you wish to submit a proposal based on these ideas, you are urged to contact the developers and find out more about the particular suggestion you're looking at.
Becoming accepted as a Google Summer of Code student is quite competitive. Accepted students typically have thoroughly researched the technologies of their proposed project and have been in frequent contact with potential mentors. Simply copying and pasting an idea here will not work. On the other hand, creating a completely new idea without first consulting potential mentors rarely works.
List of ideas
1. OCR plugin
It is possible to add support for OCR content in Joplin via the Tesseract library. A first step would be to assess the feasibility of this project by integrating the lib in the desktop app and trying to OCR an image. OCR support should be implemented as a service of the desktop app. It would extract the text from the images, and append the content as plain text to the notes.
Expected Outcome: A plugin for the desktop app that extract text from images and attach it to the note.
Difficulty Level: High
Skills Required: JavaScript, Image processing
Potential Mentor(s): CalebJohn, laurent22, roman_r_m
2. Template plugin
Joplin already supports templates however we would like to re-package this feature as a plugin. Thus you would remove it from the main app and create a new plugin for it. It should be compatible with existing templates. Once the plugin is created, it could be a good idea to improve the feature further, perhaps based on user feedback on GitHub or in the forum.
Expected Outcome: A plugin for the desktop app that handle note templates.
Difficulty Level: Medium
Skills Required: JavaScript
Potential Mentor(s): CalebJohn, Tessus
3. BibTex plugin
Many of our users use Joplin for research note and as such a plugin that can add support for BibTex would be very useful. The plugin should use locally stored citations, then display popup with type-ahead to allow the user to enter the citation into the document. A content script should also be created so that these citations are rendered correctly in the note viewer.
Expected Outcome: A plugin to enter BibTex citations
Difficulty Level: Medium
Skills Required: JavaScript, understanding of BibTex format
Potential Mentor(s): CalebJohn, roman_r_m, laurent22
4. Real-time collaboration on a note
Create a web applications that allows two or more users to collaborate in real time on the same note. Use the Joplin Server API to save and load the note.
Expected Outcome: A web application that allows users to collaborate on a note
Difficulty Level: High
Skills Required: JavaScript, Text editor, Web development
Potential Mentor(s): PackElend, roman_r_m
5. Paste special
A plugin that will allow pasting special text into Joplin and have it converted to Markdown. For example, paste an Excel or CSV table, and have it converted to a Markdown table. Paste some HTML or PDF text and again have it converted to formatted Markdown. This could be one plugin, or a collection of plugins, one for eadch "paste special" operation.
Expected Outcome: One or more plugins that allow pasting special text.
Difficulty Level: Normal
Skills Required: JavaScript, Markdown, HTML, and knowledge of various text file formats (PDF, RTF, HTML, etc.)
Potential Mentor(s): CalebJohn, Tessus, roman_r_m
6. Plugin system on mobile
The plugin system is currently available on desktop and CLI. We believe it could work on mobile too although some work will have to be done to make the plugin API compatible, as well as add a mechanism to load plugins.
Expected Outcome: Allow loading and running plugins on mobile
Difficulty Level: High
Skills Required: JavaScript, React Native
Potential Mentor(s): PackElend, roman_r_m, laurent22
7. Conflict resolution editor plugin
When a note is modified on two different devices, a "conflict note" is generated. It would be useful to create a plugin that allows taking this "conflict note" and the current version of the note, and compare them using a colored diff editor. It could be a built-in editor, or perhaps the plugin could leverage existing diff editors and feed the note versions to it.
Expected Outcome: Allow resolving note conflicts using a merge editor
Difficulty Level: High
Skills Required: JavaScript, Markdown, Understanding of diff and merging conflicts
Potential Mentor(s): Tessus, PackElend, CalebJohn
8. Kanban plugin
Use Joplin built-in types - notes, to-dos and tags to implement Kanban for Tasks.
Expected Outcome: A Kanban plugin to allow organising tasks
Difficulty Level: High
Skills Required: JavaScript