My bookmark list of fedi accounts and projects on codeberg, split haphazardly into categories: devs for accounts that have multiple fedi projects, then platforms and clients and other stuff. Non-active or non-primary repos are in the archive/moved/mirror section at the bottom. See fediverse for more comprehensive lists of open source projects.

devs

• bovine - fedi-herds and cattle_grid and other stuff
• fidiben - snac styles and firefox extensions
• mkljczk - nicolium client (including a handy mastoapi-compatible platform list) and nicolex pleroma fork
• oliphant - posty mastodon archive to website generator, blocklists, and GotoSocial starter kit
• ricci - Are We Decentralized Yet? and Moderaton Explorer and tag-federation
• rozodru - account for Bridge (firefox fork with mastodon client), LemmyBridge (firefox extension for lemmy), and Mastui (Mastodon TUI in Rust)
• silverpill - dev for Mitra, Minimitra, activity-connect bridge, fediverse enhancement proposals
• Social Coding - Delightful Commons and Fedi Foundation
• technicat - account for Fedicat iOS client and this and other lists
• tom79 - dev for Fedilab, Pawfed and various Holos projects
• vyr - dev for slurp, Feditext, gotosocial

platforms

• Appy - a headless ActivityPub server, Python and fastAPI
• Barkey - Sharkey fork?
• Bovine - module fediverse server, Python
• Catodon - a fork of Sharkey, but with many features ported from Firefish, and some new ones!
• Cookifed - Open-Source and federated cooking and baking app
• CryAp - A federated social network, Rust
• Flohmarkt - federated decentral classified ad software using activitypub, Python
• Forgejo
• Forte - Consent based social networking compatible with ActivityPub and Mastodon, PHP
• Gimli - Federated Messaging App & Blogging Platform, Kotlin
• GotoSocial - account for GoToSocial, includes a masto-fe-standalone fork
• Gush - discussion of games, books, movies
• Kibou - Efficient Fediverse microblogging server
• Librate - Libre media rating website for the fediverse
• Loops - not yet federated?
• Mastic - running entirely on the Internet Computer as Rust WASM canisters
• microblog.pub - A self-hosted, single-user, ActivityPub powered microblog
• NeoDB (github mirror) - decentralized social network for book/movie/tv/music/performance/game/podcast
• OS-AP - OpenSimulator ActivityPub bridge
• Picverse - activitypub based blogengine written in go
• PieFed - Lemmy/kbin clone written in Python/Flask
• Prismic - federated VR sandbox
• Seppo - personal social web
• Snac - Mastodon API-compatible db-less single-user server written in C
  • Snac style - themes for Snac
  • Snac custom css - custom theme for snac
  • Snac terminal theme - CSS for SNAC to make the stock webUI more terminal-like
  • snac2nex - convert snac profiles to nex blog format
• SocialHome - A federated social home
• Streams - federated communications server, PHP
• SWanye - tumblr style
• Vocata - Vocabulary-Agnostic Transport Agent
• Wafrn - Tumblr-like microblogging platform with Fediverse and ATProto integration

clients

• Ammonite - a peertube client, Flutter
• empty - Minimal web-based feed reader for RSS and Mastodon
• Eternity - Lemmy client for Android, Kotlin/Java
• Fediphoto-Lineage - Android app to post photos, Kotlin
• Fediplan - Schedule Mastodon/Pleroma messages for Android and iOS
• mastodon.el - Emacs Mastodon client
• Phandroid - the Phanpy Mastodon web client, wrapped as a native Android app with Capacitor
• Sibotherium - a Fediverse TUI client, Go
• Smither - Lightweight Mastodon client for Android
• smolfedi - A lightweight, no-JavaScript Fediverse client written in PHP
• splinter - Split long articles into Mastodon threads - site
• tinmop - Common Lisp client for gemini protocol, Gopher, Mastodon, Pleroma (using the mastodon API) and kamid protocols
• tooi - a text-based user interface for Mastodon, Pleroma and friends
• Tusky - An Android client for the microblogging server Mastodon

libraries

• Elefan - Mastodon client in Guile
• Mushroom Labs - django plugin, elk fork, activitypub toolkit

bots

• fedimap - an independent map for the fediverse
• freegames - Mastodon bot that lists free games
• mastodon-post - Woodpecker CI plugin to post status updates to Mastodon
• nontrinsic - hourly nonsense bot
• rss-parrot - a service that lets you turn Mastodon into your feed reader
• Names Days Bot - posts names days in Latvia (Rust)
• shuohanyu - Mastodon bot to practice Mandarin

browser

• GoGuestReply - fediverse-powered blog replies
• Peertube-companion - experimental Web Extension aiming to improve user experience with PeerTube

graphics

• Arcticons - includes several fediverse icons
• Fediverse Iconography - icons of the fediverse
• Fediverse Symbol - a symbol for the fediverse

promotion

• Awesome Fediverse Merchandise - discover fediverse merchandise while supporting the platforms, instances, and creators you love
• Crowdbucks - Fediverse-native platform for crowdfunding, tipping, payments, and memberships
• Distributopia- Fediverse logos; Fedi promo materials; Fedi paper toys, and more

guides

• fediverse-pl - Source for fediverse.pl
• Island Toolkit - A quick GoToSocial starter kit to set up an island quickly on a Debian (Ubuntu) server

tools

• delete-all-posts - python script to delete all your mastodon posts
• fedi-cities - Analysing the use of city hashtags in the Fediverse
• Fedi Feed Router - FFR routes content from RSS/Atom feeds to the fediverse based on keyword matching
• Marvin's Mastodon Tools - assorted fediverse tools
• mastodon-archive-static-site - a Python script to convert a Mastodon user archive into a static site
• Outrigger - blocklist manager for misskey forks
• Startodon - Mastodon starterkit
• threadcat - Converts a Mastodon thread to Markdown
• trunkfriends - track your fediverse connections, written in Java

lists

• Ansible Collection
• Awesome FediAdmin - a collection of awesome resources for running your own federated social media website
• Awesome Mastodon - fork of mastodon client list focused on iOS apps
• Best Fediverse outside US - list of non-US instances
• Delightful Libre Hosters
• fediverse - delightful fediverse experience, clients, development, resources and enhancement proposals
• Open Slopware - Free/Open Source Software choosing to use and/or support LLM usage/AI

architecture

• ActivityPub Next - This project is dedicated to evolving the ActivityPub protocol
• ForgeFed - ActivityPub-based forge federation
• FunFediDev - Fun Fediverse Development
• GotoSocial Federation Status
• Mastodon API versions - Changelog of features based on api_versions on the Mastodon API
• Mastodon API Enhancement Proposals - See issues
• NodeInfo Metadata Survey

mirrored, archived, discontinued, moved ...

• Audon(archive) - chat spaces for Mastodon
• Betula (mirror) - Self-hosted personal link collection manager
• CPub (discontinued) - An experimental generic ActivityPub server that uses Semantic Web ideas
• Epicyon - ActivityPub server in Python, designed for simplicity and accessibility. Includes calendar, news and sharing economy features to empower your federated community. Appears to be a mirror
• Enaphore (mirror) - A fediverse client with better support for Akkoma, glitch-soc, and Iceshrimp instances.
• Firefish (not quite archived, but pretty inactive) - A greatly enhanced fork of Misskey with better UI/UX, security, features, and more!
• Husky (moved) - old version of Pleroma extension of Tusky Android client
• Kbin (mostly archived, dead links) - a decentralized content aggregator and microblogging platform running on the Fediverse network.
• Mastodon Markdown Archive - archive mastodon posts as markdown mirror
• NeoDB (mirror) - an open source project and free service to help users manage, share and discover collections, reviews and ratings for culture products (e.g. books, movies, music, podcasts, games and performances) in Fediverse.
• Pixelfed - old mirror?
• share2fedi (archived)
• TootSDK (mirror) - Cross-platform Swift library for Mastodon and the fediverse
• Vidzy (archived, moved) - tiktok alternative
• Wolfie Jase - various fedi-related mirrors
• Zot-archive - A fediverse server