diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index fd6f87306..00ac5dd86 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -19,8 +19,11 @@ Simple Icons welcomes contributions and corrections. Before contributing, please
 
 We welcome icon requests. Before you submit a new issue please make sure the icon:
 
-* Is of a _popular_ brand.
 * Has not already been requested.
+* Is of a _popular_ brand. For websites, the [Alexa rank](https://www.alexa.com/siteinfo) should be less than 500k. For anything else, popularity will be judged on a case-by-case basis.
+* Isn't related to anything that provides an illegal service (e.g. piracy, malware, threatening material, spam, etc.).
+
+If you are in doubt, feel free to submit it and we'll have a look.
 
 When submitting a request for a new or updated icon include helpful information such as:
 
diff --git a/_data/simple-icons.json b/_data/simple-icons.json
index 8001c609d..db707d37c 100644
--- a/_data/simple-icons.json
+++ b/_data/simple-icons.json
@@ -915,6 +915,11 @@
             "hex": "00B057",
             "source": "https://koding.com/About"
         },
+        {
+            "title": "Ko-fi",
+            "hex": "F16061",
+            "source": "https://ko-fi.com/home/about"
+        },
         {
             "title": "Lanyrd",
             "hex": "3C80CA",
@@ -2020,6 +2025,11 @@
             "hex": "006567",
             "source": "https://dev.xing.com/logo_rules"
         },
+        {
+            "title": "XSplit",
+            "hex": "0095DE",
+            "source": "https://www.xsplit.com/presskit"
+        },
         {
             "title": "Y Combinator",
             "hex": "F0652F",
diff --git a/icons/kofi.svg b/icons/kofi.svg
new file mode 100644
index 000000000..9e16f509b
--- /dev/null
+++ b/icons/kofi.svg
@@ -0,0 +1 @@
+<svg aria-labelledby="simpleicons-ko-fi-icon" role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title id="simpleicons-ko-fi-icon">Ko-fi icon</title><path d="M23.881 8.948c-.773-4.085-4.859-4.593-4.859-4.593H.723c-.604 0-.679.798-.679.798s-.082 7.324-.022 11.822c.164 2.424 2.586 2.672 2.586 2.672s8.267-.023 11.966-.049c2.438-.426 2.683-2.566 2.658-3.734 4.352.24 7.422-2.831 6.649-6.916zm-11.062 3.511c-1.246 1.453-4.011 3.976-4.011 3.976s-.121.119-.31.023c-.076-.057-.108-.09-.108-.09-.443-.441-3.368-3.049-4.034-3.954-.709-.965-1.041-2.7-.091-3.71.951-1.01 3.005-1.086 4.363.407 0 0 1.565-1.782 3.468-.963 1.904.82 1.832 3.011.723 4.311zm6.173.478c-.928.116-1.682.028-1.682.028V7.284h1.77s1.971.551 1.971 2.638c0 1.913-.985 2.667-2.059 3.015z"/></svg>
\ No newline at end of file
diff --git a/icons/xsplit.svg b/icons/xsplit.svg
new file mode 100644
index 000000000..42bc649c5
--- /dev/null
+++ b/icons/xsplit.svg
@@ -0,0 +1 @@
+<svg aria-labelledby="simpleicons-xsplit-icon" role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title id="simpleicons-xsplit-icon">XSplit icon</title><path d="M24 19.5c-.7-.1-2.5-.3-2.7-.3-.1 0-2.8 2.3-4 3.399l-.1.101c.1-1.3.3-2.601.399-3.9C11.7 18.1 5.9 17.4 0 16.7V1.5v-.2H.3C.9 1.4 22.9 3.9 24 4v15.5zm-2.6-2.6V6.2C15.1 5.5 8.7 4.7 2.4 4v10.6c6.3.8 12.7 1.5 19 2.3z"/></svg>
\ No newline at end of file
diff --git a/package.json b/package.json
index 87424b332..7f82f0df4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-icons",
-  "version": "1.6.2",
+  "version": "1.6.3",
   "description": "SVG icons for popular brands https://simpleicons.org",
   "homepage": "https://www.simpleicons.org",
   "keywords": [