diff --git a/README.md b/README.md
index 5cff3619fd56c5495ffc57bcbba36c2b4e71c1b0..816765af678d7cbd532bc5d843a4f05fd0cb8513 100644
--- a/README.md
+++ b/README.md
@@ -99,6 +99,11 @@ Please see the [Contribution Guide](./CONTRIBUTING.md).
 
 To receive updates of this repo, follow [@repo@misskey.io](https://misskey.io/@repo) on fediverse.
 
+Related projects
+----------------------------------------------------------------
+- [misskey.js](https://github.com/misskey-dev/misskey.js) - Misskey SDK for JavaScript
+- [mfm.js](https://github.com/misskey-dev/mfm.js) - MFM parser
+
 :heart: Backers
 ----------------------------------------------------------------
 <!-- PATREON_START -->