diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,10 +1,30 @@
 # Awesome Ohm [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)
 
-A curated list of awesome things related to [Ohm](https://github.com/harc/ohm).
+A curated list of awesome things related to [Ohm](https://github.com/ohmjs/ohm): a parsing toolkit for building parsers, interpreters, and compilers for programming languages!
 
-- Official Ohm grammars
-  - [ES5](https://www.npmjs.com/package/ohm-grammar-ecmascript)
+## Official Ohm grammars
 
-- Syntax highlighting for .ohm files
-  - [VSCode](https://marketplace.visualstudio.com/items?itemName=attilah.ohm)
-  - [Atom](https://github.com/dlmanning/language-ohm)
+- [ES5](https://www.npmjs.com/package/ohm-grammar-ecmascript)
+
+## Developer tools
+
+Editors:
+
+- [Helix](https://github.com/helix-editor/helix/pull/9991):
+  - Syntax highlighting for .ohm files
+  - Indentations
+  - Text-object manipulation (with Tree-sitter)
+  - Injections (with Tree-sitter)
+
+- [VSCode, maintained by novusnota](https://github.com/novusnota/vscode-ohm):
+  - Syntax highlighting for .ohm files
+
+- [VSCode](https://marketplace.visualstudio.com/items?itemName=attilah.ohm):
+  - Syntax highlighting for .ohm files
+
+- [Atom](https://github.com/dlmanning/language-ohm):
+  - Syntax highlighting for .ohm files
+
+Tools:
+
+- 🌳 Tree-sitter grammar & parser: [tree-sitter-ohm](https://github.com/novusnota/tree-sitter-ohm)
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