Web-based Git hosting service facilitating collaboration, with features like issue tracking, social networking, and wikis for project management.
- Version Control System
- Freemium • Proprietary
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad

Git is a free & open source, distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
- Version Control System
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Chrome OS
- Android Tablet
- BSD
- Linux Mobile
- Haiku
Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers with no single point of control.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- WebRTC
- Python
- JavaScript
- Go (Programming Language)
- Cloudron
- Java
- Perl

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.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- Android Tablet
- BSD
- F-Droid

A free Git source code hosting service with the objective to give the open-source code that is running our world a safe and friendly home, and to ensure that code remains free and secure forever.
- Version Control System
- Free • Open Source
- Online

Jami (formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad

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.
- Social Network
- Free • Open Source
- Online
- BSD
- Self-Hosted
- Ruby

Beyond coding. We forge. Forgejo is a self-hosted lightweight software forge. Easy to install and low maintenance, it just does the job.
- Version Control System
- Free • Open Source
- Self-Hosted
- Go (Programming Language)

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.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- Flathub
- F-Droid



Resilio Sync allows you to automatically sync files between computers via secure, distributed technology (P2P bittorrent protocol).
- File Sync Tool
- Free • Proprietary
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- BSD
- Windows Phone
- iPad
- Kindle Fire

IPFS is a global, versioned, peer-to-peer filesystem. It combines ideas from Git, BitTorrent, Kademlia, SFS, and the web. It is like a single bittorrent swarm, exchanging git objects. IPFS provides an interface as simple as the HTTP web, but with permanence built in.
- File Sync Tool
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Self-Hosted
- Firefox

Friendica is a distributed social network application. Which allow users to connect with others via their own Friendica server, but may also fully integrate contacts from other platforms including Twitter, diaspora*, Pump.io and StatusNet into their 'newsfeed'.
- Social Network
- Free • Open Source
- BSD
- Self-Hosted
- PHP
- Online
- Docker

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.
- Social Network
- Free • Open Source
- Online
- Self-Hosted

Hubzilla is a powerful platform for creating interconnected based websites featuring a decentralised identity, communications, and permissions framework built using common webserver technology. Hubzilla is very suitable for communities (of any size).
- Social Network
- Free • Open Source
- Online
- Self-Hosted

ZeroNet uses cryptography (Bitcoin library) and BitTorrent DHT (centralized trackers) to build a distributed censorship-resistant network.
- Discontinued
- Anonymizing Network
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- gevent
- Self-Hosted
- NameCoin
- Python
- JavaScript

GNUnet is a framework for secure peer-to-peer networking that does not use any centralized or otherwise trusted services. A first service implemented on top of the networking layer allows anonymous censorship-resistant file-sharing.
- Anonymizing Network
- Free • Open Source
- Mac
- Windows
- Linux
- BSD

Radicle is an open source, peer-to-peer code collaboration stack built on Git. Unlike centralized code hosting platforms, there is no single entity controlling the network. Repositories are replicated across peers in a decentralized manner, and users are in full control of their...
- Version Control System
- Free • Open Source
- Mac
- Linux
Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network. Berty is a privacy-first messaging application built on top of the Berty Protocol.
- Instant Messenger
- Free • Open Source
- Linux
- Android
- iPhone
- Android Tablet
- iPad



Storj Object Storage is a distributed cloud object storage which is fully Amazon S3-compatible, globally distributed and encrypted.
- Cloud Storage Service
- Paid • Proprietary
- Online
- Software as a Service (SaaS)

sourcehut is a network of useful open source tools for software project maintainers and collaborators, including git repos, bug tracking, continuous integration, and mailing lists.
- Version Control System
- Freemium • Open Source
- Online
- Self-Hosted
- Software as a Service (SaaS)

Open source, self-governing communities with auditable moderation and mod elections.
- Discontinued
- Social Network
- Free • Open Source
- Mac
- Windows
- Linux

Mwmbl is a non-profit, ad-free, free-libre and free-lunch search engine with a focus on useability and speed. At the moment it is little more than an idea together with a proof of concept implementation of the web front-end and search technology on a small index.
- Web Search Engine
- Free • Open Source
- Online

An open-source backup and restore platform built for modern workloads. It offers encrypted, deduplicated, and instantly recoverable snapshots across file systems, object stores and cloud environments.
- File Sync Tool
- Free • Open Source
- Mac
- Linux
- Ubuntu
- Debian
- FreeBSD
- OpenBSD

Mercurial is a free, distributed source control management tool. It efficiently handles projects of any size and offers an easy and intuitive command line interface. Mercurial efficiently handles projects of any size and kind.
- Version Control System
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Haiku






































