diff --git a/README.md b/README.md
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@@ -224,6 +224,8 @@ For an overview of known relays, see [A sorted list of ActivityPub relays for Ma
 
 * :heavy_check_mark: [**Masto Follow**](https://gitlab.com/eroosenmaallen/masto-follow) ([site](https://eroosenmaallen.gitlab.io/masto-follow/), [Fedi account](https://tech.lgbt/@silvermoon82)): Simple widget to support “Follow Me on Mastodon” buttons `ISC License, Javascript`
 
+* [**MastoMods**](https://github.com/trwnh/mastomods) ([Fedi account](https://mastodon.social/@trwnh)): CSS tweaks and custom themes for Mastodon. `Unlicense, CSS`
+
 * :heavy_check_mark: [**mastodon-backup**](https://github.com/kensanata/mastodon-backup) ([Fedi account](https://octodon.social/@kensanata)): Archive your statuses, favorites and media using the Mastodon API. `GPL-3.0, Python`
 
 * :heavy_check_mark: [**mastodon_bulk_find_follow**](https://gitlab.com/ozten/mastodon_bulk_find_follow) ([site](https://commotionmade.com/)): Bulk find and follow to make it easy to migrate from Twitter to Mastodon. `BSD-3-Clause, Javascript`