docs: add ecosystem

slang/README.md

@@ -100,6 +100,7 @@ dart run slang migrate arb src.arb dest.json # migrate arb to json
   - [slang x riverpod](#-slang-x-riverpod)
 - [FAQ](#faq)
 - [Further Reading](#further-reading)
+- [Ecosystem](#ecosystem)
 - [Slang in production](#slang-in-production)
 
 ## Getting Started
@@ -1887,6 +1888,11 @@ The second one always returns a new instance.
 
 Feel free to extend this list :)
 
+## Ecosystem
+
+- [slang_gpt](https://pub.dev/packages/slang_gpt) - Use GPT to internationalize your app with context-aware translations.
+- [Apparencekit](https://apparencekit.dev/docs/other/internationalization/) - Boilerplate solution
+
 ## Slang in production
 
 Open source: