Software

388 projects that speak ActivityPub, with the servers, accounts and activity each one carries.

Microblogging projects

Servers

12.1K

Accounts

10.3M

Monthly active

706K

#						Latest release
1	MastodonMicrobloggingMastodon is an open source decentralized social network - by the people for the people	8,741	8.82M	671K	1.02B	v4.7.3
2	MisskeyMicrobloggingAn interplanetary microblogging platform.	1,184	1.25M	9,491	462M	2026.10.0
3	F FedibirdMicrobloggingFedibird is a fork of Mastodon arranged with features maintained by Takeshi Umeda (noellabo).	3	40.8K	6,997	31.4M	n/a
4	A AkkomaMicrobloggingAkkoma is a faster-paced fork, it has a varied and potentially experimental feature set tailored specifically to the corner of the fediverse inhabited by the project creator and contributors.	329	23K	3,255	3.55M	3.19.0
5	S SharkeyMicrobloggingSharkey is an Misskey fork following upstream changes when possible, with added features.	492	26K	2,917	12.6M	2025.4.7
6	PleromaMicrobloggingFree and Open Federated Microblogging server.	262	52.9K	2,874	10.7M	2.10.2
7	H HometownMicrobloggingA supported fork of Mastodon that provides local posting and a wider range of content types.	102	14.3K	2,798	8.21M	4.5.18+hometown-1.2.1
8	FriendicaMicroblogging, BloggingFriendica is a free and open-source software distributed social network.	80	18.4K	2,428	838K	2026.05-1595
9	W wafrnMicroblogging, BloggingWafrn is a federated social media inspired by tumblr.	37	7,640	912	1.02M	2026.10.01-HOTFIX
10	H HubzillaBlogging, MicrobloggingHubzilla is a powerful platform for creating interconnected websites featuring a decentralized identity, communications, and permissions framework built using common webserver technology.	79	9,025	824	696K	11.4.1
11	K KmyblueMicrobloggingMastodon, which specializes in small communities for the inner circle.	21	3,170	605	1.66M	4.7.3+kmyblue.25.4-lts
12	I IceshrimpMicrobloggingYAMF (Yet another Misskey fork) bringing you no-nonsense fixes, features & improvements you actually want since 2023	75	3,109	353	1.54M	2026.5.1
13	C CherrypickMicrobloggingFork of Misskey.	57	3,966	179	2.88M	4.17.0
14	M MeisskeyMicrobloggingMeisskey is a decentralized microblogging platform, a fork of Misskey.	8	3,768	168	3.43M	n/a
15	F FoundkeyMicrobloggingForked from Misskey, FoundKey improves on maintainability and behaviour, while also bringing in useful features.	3	11.4K	144	874K	n/a
16	M MitraMicrobloggingFederated micro-blogging platform.	68	726	121	137K	5.10.0
17	FirefishMicrobloggingA fun, new, open way to experience social media.	21	600	60	194K	20241205
18	S SnacMicrobloggingA simple, minimalistic ActivityPub instance written in portable C.	43	80	52	24.6K	2.95
19	H HolloMicrobloggingHollo is a federated single-user microblogging software powered by Fedify.	36	53	43	43.5K	0.9.22
20	G GotosocialMicrobloggingGoToSocial is an ActivityPub social network server, written in Golang.	312	752	23	1.18M	0.22.1+git-fdff42b
21	S SmithereenMicrobloggingFederated, ActivityPub-compatible social network server with friends, walls, and groups.	3	317	20	3,879	n/a
22	H Hackers' PubMicrobloggingActivityPub-enabled social network for hackers.	1	970	8	17.6K	n/a
23	K KtistecMicrobloggingSingle user ActivityPub server.	11	12	8	2,279	3.13.0
24	G GNU socialMicrobloggingThe free/libre software social networking platform.	5	22	4	33.2K	n/a