The following is a comparison of both software and protocols that are used for distributed social networking.
Software
Active
Project Name | Features | Software type | Programming Language | License | Privacy features, if any | Federation capabilities | Instance count | Current status |
---|---|---|---|---|---|---|---|---|
Bluesky | Microblogging | Client1 | TypeScript | MIT | None (planned) | AT Protocol (Personal Data Server, opinionated services)2 | 1, theoretically self-hostable | Active |
diaspora* | Status messages, blogging, image sharing | Client/server | Ruby | AGPLv3 | Post reach can be controlled via "aspects" | diaspora* network | 61 (January 2025)3 | Active |
Friendica | Rich profiles, networking groups, community/group/celebrity pages, richtext status (not specifically length limited), photo albums, YouTube share, location, like/dislike, multiple profiles w/assignment to specific friends, single sign-on to post directly to friend's profiles on co-operating systems. Communications encryption. Fans and one-way relationships. Local and global directory services. Ability to restrict connection endpoints. | Client/server | PHP, JavaScript | AGPLv3 | Access controls for content, disappearing messages, private groups | ActivityPub, DFRN, diaspora* network, Email, RSS, third-party connections (Tumblr, Twitter, more via plugins) | 345 (January 2025)4 | Active |
Hubzilla5 | Decentralised identity and community platform, blogging, rich social networking, cloud storage and internet-scale access control/privacy | Client/server | PHP, JavaScript | MIT | Access controls for content, private groups | ActivityPub, diaspora* network, Zot | 90 (January 2025)6 | Active |
Lemmy | Social news | Client/server | Rust | AGPLv3 | None | ActivityPub | 576 (January 2025)7 | Active |
Libervia | Microblogging, group microblogging, file sharing, games, XMPP client | Client/server | Python, C++ | AGPLv3 | Presence authorization, XMPP groups | XMPP, ActivityPub in beta as of 2022[update].8 | Demo9 | Active |
Mastodon | Microblogging | Client/server | Ruby, JavaScript | AGPLv3 | Access controls for content | ActivityPub | 10156 (January 2025)10 | Active |
Micro.blog | Microblogging | Client | Unknown | Proprietary | Access controls for content | ActivityPub, AT Protocol (Bluesky crossposting) | 1 | Active |
Minds | Microblogging | Client/server | PHP | AGPLv3 | None | ActivityPub | 1 | Active |
Misskey | Microblogging | Client/server | TypeScript | AGPLv3 | Access controls for content | ActivityPub | 1244 (January 2025)11 | Active |
Mobilizon | Events, groups, shared folders | Client/server | Elixir | AGPLv3 | Access controls for content | ActivityPub | 106 (January 2025)12 | Active |
Movim | XMPP client, news aggregation | Client/server | PHP | AGPLv3 | Access controls for content, end-to-end encryption for chats | XMPP | 16 (January 2025)13 | Active |
PeerTube | Video sharing | Client/server | TypeScript | AGPLv3 | Access controls for content | ActivityPub | 1302 (January 2025)14 | Active |
Pixelfed | Image sharing, similar to Instagram | Client/server | PHP | AGPLv3 | Access controls for content | ActivityPub | 543 (January 2025)15 | Active |
Pleroma | Instant messaging, microblogging | Client/server | Elixir | AGPLv3 | Access controls for content | ActivityPub | 1020 (January 2025)16 | Active |
Plume17 | Blogging | Client/server | Rust | AGPLv3 | Access controls for content | ActivityPub | 41 (January 2025)18 | Active |
Socialhome19 | Microblogging, blogging, home page builder | Client/server | Python, JavaScript | AGPLv3 | Access controls for content | ActivityPub, diaspora* | 9 (January 2025)20 | Active |
Inactive
Project Name | Features | Software type | Programming Language | License | Privacy features, if any | Federation capabilities | Current status |
---|---|---|---|---|---|---|---|
GNU social | Primarily microblogging, groups | Client/server | PHP | AGPLv3 | Access controls for content | ActivityPub (via plugin), OStatus | Stable, last update to both supported major versions circa 2022 |
Jappix21 | XMPP client + Microblogging | Client | JavaScript, PHP | AGPLv3 | Presence authorizations | XMPP | Stable, inactive |
Kune | real-time collaborative edition, XMPP chat, groups, calendar, lists, tasks, blogs, Apache Wave inbox (modern email), wave extensions (gadgets, robots), public webpages, profiles, galleries (photos, videos), maps, federation, usability | Client/server | Java | AGPLv3 | Access controls for content | XMPP, Wave Federation Protocol | Stable, last updated 2017 |
Numaverse22 | Microblogging | Client (peer-to-peer) | Ruby | MIT | Unknown | Ethereum, IPFS | Beta, last updated 2018 |
OneSocialWeb23 | Microblogging | Openfire plugin, clients24 | Java | Apache 2.0 | Presence authorizations, access controls for content | XMPP, XMPP extensions25 | Alpha |
OpenMicroBlogger | User-toggleable "apps" to add/remove functionality. RSSCloud and partial OStatus (PubSubHubbub) federation as well as Open Microblogging 0.1. Local follow/unfollow. Facebook, Twitter, Flickr integration. (partial) Twitter API support. Fully Restful design, user interface consumes Rest API. | Client | MIT | Open Microblogging 0.1, RSSCloud, (partial) OStatus (PubSubHubbub) | Open Microblogging 0.1, RSSCloud, (partial) OStatus (PubSubHubbub) | Alpha | |
Osada | Microblogging | Server | PHP, JavaScript | Access controls for content | Zot/6, ActivityPub | Stable | |
postActiv | Microblogging | Client/server | AGPLv3 | Access controls for content | OStatus, ActivityPub and Zot support proposed but never implemented | homepage and code forge went offline late 2019 | |
Prismo26 | Link sharing | Client/server | Ruby | AGPLv3 | Access controls for content | ActivityPub | No commits since May 2019 |
Project Danube | 1) Sharing personal data with companies/organizations 2) Sharing personal data with "friends"3) Use of personal data for "personal applications" | OStatus, OAuth 2.0, WebFinger, hCard, Portable Contacts, XRI, XDI, PubSubHubbub, Salmon | Alpha | ||||
Project Nori | OStatus, OAuth, Portable Contacts, WebFinger, and other open protocols | Alpha | |||||
pump.io | Microblogging | Client/server | Node.js, JavaScript | Apache 2.0 | Access controls for content | ActivityPump | Stable, inactive |
SMOB | Microblogging | unmaintained | |||||
Social-Igniter27 | friends, places, status, comments, modular apps (messages, blog, cart, media), themes, mobile themes, 3rd party integration (Facebook, Twitter, YouTube), editable widgets, | Server | GPL | Webfinger, PubSubHubbub, OpenID, OAuth, Activity Streams | alpha | ||
SocialRiver28 | Client/server | GPL | Private messaging, access controls | OStatus,29 OpenID, will add support for OAuth | Unmaintained | ||
SocialZE30 | Client/server | Access controls for content | OSMP (Open Social Message Protocol) | alpha | |||
Sone31 | microblogging, media library, decentralized spam protection | Client/server | Java, JavaScript | GPL | Hyphanet | beta |
Protocols
Active
Project Name | Features | License | Privacy features, if any | Supported apps | Instance count | Current status |
---|---|---|---|---|---|---|
ActivityPub | Activity Streams, WebFinger | Released as a W3C standard | Inbox/outbox access controls | Many | ~30,000 | Active |
ActivityPump | Activity Streams, WebFinger | AGPLv3 | Inbox/outbox access controls | Pump.io | Inactive, network still online | |
AT Protocol | Modular, microservice-oriented protocol architecture | Dual (MIT, Apache 2.0) | None (planned)32 | Bluesky | ~2.4k data servers,33 few servers for other parts of the protocol (January 2025) | Active |
diaspora* network | Status messages, blogging, photo sharing | AGPLv3 | Post reach can be controlled via "aspects" | diaspora* (social network) | 61 (January 2025)34 | Active |
FOAF | User relationships | CC BY 1.0 | None | Active | ||
Nostr | Extensible, based on event objects | Public domain | None | Many | Hundreds of relays | Active, stable |
OStatus | OAuth 2, WebFinger, PubSubHubbub, Salmon | AGPLv3 | None | GNU social, StatusNet | Less than 100 | Inactive, network still online |
Peergos35 | P2P storage, social network, and application protocol | AGPLv3 | End-to-end encryption for private messages | Peergos | Unknown | Active, stable |
Twister | Peer-to-peer microblogging | MIT and BSD | End-to-end encryption for private messages | Twister | Unknown | Inactive, network still online |
twtxt36 | Microblogging | Varied, based on implementation | None | Text editor | Unknown | Active, stable |
XMPP | Microblogging | Varied, based on implementation | Access controls, presence authorization, encryption | Many | Many | Active, stable |
Inactive
Project Name | Features | License | Privacy features, if any | Current status |
---|---|---|---|---|
6d37 | Blog, media library, addressbook, themeable, private messaging | MIT | Post scopes when transmitting | Alpha |
Aether38 | Peer-to-peer, ephemeral, self-governing public communities with auditable and democratic moderation.39 | AGPLv3 | None | Stable, not updated since 2021 |
Appleseed (Quicksocial protocol)4041 | Photos, Journals, Messaging, Groups, Privacy controls, Status Updates, Newsfeeds | GPLv2 | Access controls for content | Cancelled |
Buddycloud4243 | Personal and topic channels, Buddycloud directory, channel search, channel recommender, media server, friend-finder, mobile and email push service, location, messaging | Apache 2.044 | End-to-end encryption for private messages | Stable, last update 2015 |
Cunity45 | Friends, Photo Album, Filesharing, Messaging, Pinboard, Newsfeed, Memberlist, Forum, Connecting Cunities | PHP | Peer-to-peer transmission | Beta |
Diatum46 | Supports contact and social media apps | Apache 2.0 | no commit since 2021, main repository removed, alpha 0.0147 | |
DiSo Project48 | WordPress plugins49 | beta (v0.6) | ||
Distributed Social Networking Protocol50 | DSNPd (server daemon), ChoiceSocial (web interface)51 | beta (v0.6) | ||
Friend2Friend52 | Strong encryption, XML for all data exchange, Data is digitally signed | LGPL | Only connected to known users | Alpha |
Knowee53 | OpenID Signup, Activity Stream import and export, contact import from Web 2.0 services via XFN and FOAF, automatically updated address book from remote data sources, consolidated profile with RDF/FOAF export, personal SPARQL API | PHP54 | Dead | |
Kopal55 | OpenID, Kopal Connect protocol,56 Kopal Feed microformat57 | MIT | alpha | |
Libertree58 | Social network | AGPLv3 | None | beta (updated: 2015) |
Lorea59 | Profiles, microblogging, streams, groups, plugins, group mailing lists, tasks, calendar, subgroups, tagclouds (lgg,60 plugins61) | GPL | stable (seems dead by 2016-12-28) | |
Mr. Privacy62 | Email social network | Private messaging | Dead | |
Multichan 63 | Anonymous textboard / imageboard network64 | Public domain | None | paused on 2021-07-01, alpha 1.765 |
Newebe66 | one user = one node; microblogging, picture sharing, activity stream | AGPLv3 | alpha (updated: 2016) | |
NoseRub676869 | Custom protocol | Dead | ||
OpenAutonomy70 | Micro-blogging, RSS aggregation, Cloud storage | MIT | Trusted user list and fine-grained trusted sub-groups | stable (r210)71 (updated: 2015) |
OpenLink Data Spaces (ODS)72 | Profile Management, Blogs, Wikis, Address Books, Calendars, Feed Aggregation, Discussion Forums (includes NNTP support), File Servers (WebDAV based Briefcase). | Dual (Commercial and GPL for Open Source Edition) | WebID | stable (updated: 2016) |
OpenMicroBlogging | Microblogging | AGPLv3 | None | Dead |
psyced73 | profiles, chat, microblogging | stable (updated: 2016) | ||
Safebook74 | Peer-to-peer Facebook replacement | GPL | Untraceable communications | beta75 |
Secure Scuttlebutt | social networking, messaging, games, development tools | Various FLOSS licenses | End-to-end encryption for private messages. | Stable |
SONIC7677 | Federation protocol for OSN services | MIT | beta (updated: 2018) | |
Tent78 | Profiles, Developer-extensible Post and Profile Types, Data Import, Groups, Privacy Controls, Content versioning | MIT (reference implementation) | alpha (0.2) | |
Thimbl79 | Microblogging | alpha | ||
Zot/Zap | social network, microblogging, cloud storage | MIT | stable, repository deleted80 |
See also
References
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