Decentralized Social & Communications Apps

A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.

Federated and open-source social network with no ads, 500-character limit, custom emojis, and content warnings, emphasizing privacy and personal interaction.

Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers.

Federated image sharing platform prioritizing privacy, safety, and user control, ad-free operation, no algorithms, open-source, and supports self-hosting.

Lemmy is similar to sites like Reddit, Lobste.rs, or Hacker News: you subscribe to forums you're interested in, post links and discussions, then vote, and comment on them. Behind the scenes, it is very different; anyone can easily run a server, and all these servers are...

With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.

An open social network that gives creators independence from platforms, developers the freedom to build, and users a choice in their experience.

Encrypted platform supporting private, identifier-free messaging, group conversations, file sharing, and audio/video calling, using a double-ratchet protocol.

Open source peer-to-peer platform for voice and video calls, encrypted chat, file sharing, conference support, and cross-platform privacy features.

Diaspora is a federated social networking service, designed to be a more privacy-aware alternative to Facebook . Share what you want, with whom you want.

An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.

Share, discover, and create short videos across the social web. An open-source alternative that puts creators and communities first, built on federated technology for true ownership and privacy.

Uses email as a decentralized chat platform with modern interface, open source code, no central servers, strong privacy controls, and no account signup.

Feature-rich Android client with direct messaging, widgets, and material themes for seamless Pixelfed user interactions on the go.

Nitter is a free and open-source front-end mirror of Twitter, which allows you to consult Twitter, with a focus on privacy.

Open source, decentralized communication platform with encrypted chat, voice and video calls, file sharing using anonymous tunnels, forums, and channels.

Use crystal clear sound to communicate with your team mates cross-platform with military-grade security, lag-free performance & unparalleled reliability and uptime.

Lightweight Android client for decentralized social networking, featuring material design, support for photo, video, emoji, lists, drafts, notifications, multiple themes and timelines.

It is the brand new, and fastest ever, Matrix client. It is for personal and community use, and will support enterprise functionality later this year.

A free, open-source platform enabling decentralized and centralized social networking. Supporting free speech, monetization, and the sharing of various media.

Fedilab is a multifunctional Android client to access the distributed Fediverse, consisting of microblogging, photo sharing and video hosting.

Pleroma is a free, federated social networking server built on open protocols. It is compatible with GNU Social, Mastodon, and many other ActivityPub and OStatus implementations.

Multi-platform encrypted messenger supporting one-to-one and group chats, file and image sharing, decentralized open-source design, and ad-free nonprofit operation.

Peer-to-peer group chat platform syncing messages over Tor and IPFS, ensuring private, encrypted, decentralized collaboration without any central servers.

ActivityPub is a decentralized social networking protocol based on the ActivityStreams 2.0 data format. ActivityPub is an official W3C recommended standard published by the W3C Social Web Working Group.