Open Source C File Sharing Software for Linux

Zero Install is a decentralised cross-distribution software installation system. Create one package that works everywhere! With dependency handling and automatic updates, full support for shared libraries, and integration with native package managers

Matroska is an open standard audio/video container format. Visit our homepage at http://www.matroska.org

PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its origin seeds in targeting aggressive IPs while you use P2P. PeerGuardian Linux: Not developed actively anymore. Team might still be around. Some unreleased changes on git. Outdated technology. Peerguardian OS X: Not developed anymore. We've lost contact with the OS X developer. PeerGuardian Windows: Not developed anymore. It's highly recommended to use PeerBlock instead, which is a continuation of PeerGuardian's development in Windows, with bug fixes and support for Windows Vista and Windows 7. Collaboration with peerblock.com is welcome! PeerGuardian is an open project. Not only is its source code open for you to read, use, and modify - but the project is open for you to join and contribute in any form (code, documentation, bug reports, web and support).

MLDonkey is a multi-platform multi-network peer-to-peer client.

A GTK+ Gnutella client, efficient, reliable and fast, written in C. It has been optimized for speed and scalability, with low-memory consumption. It is meant to be left running 24x7, using little CPU and only the configured bandwidth. It is possible to run gtk-gnutella without a GUI or using a shell interface.

Tox is a peer to peer (serverless) instant messenger that focuses on security and privacy. In today's world where digital surveillance is rampant, Tox offers users a communication software alternative that's free from prying eyes and ears, and is, quite literally free and without advertising. Tox comes with all the great features you'd expect from an instant messenger application, including voice calls, video calls, file sharing and screen sharing. Everything done on Tox is encrypted using open-source libraries so you can be assured of completely private conversations. It also has no central servers that can be raided, shut down, or forced to turn over data. There are no corporate interests, no hidden agendas-- just simple, secure and easy to use messaging.

Enhanced CTorrent is a BitTorrent client for unix-like environments. High performance with minimal system resources and dependencies is a priority.

BitTorrent is a tool for distributed download. Go to http://www.bittorrent.com/ for the latest version, or http://www.bittorrent.com/dl/?C=M;O=D for source and older versions.

Quiet is an alternative to team chat apps like Slack, Discord, and Element that does not require trusting a central server or running one's own. In Quiet, all data syncs directly between a team's devices over Tor with no server required. Quiet is not audited and should not be used when privacy and security are critical. It lacks basic features and probably won't replace your Slack or Discord yet. That said, it works surprisingly well and we use it daily as a Slack replacement. Quiet is for fans of software freedom, decentralization and privacy tech, and for anyone craving a future where humanity can collaborate effectively online without trusting our communities, networks, and data to giant corporations. Quiet is written (mostly) in TypeScript, with Electron and React Native frontends, and welcomes outside contributions!

Command line torrent viewer and hash checker. Displays metadata and file catalog from a .torrent file. Offline verifies content hashes of downloaded files against torrent. Linux or Windows, Windows binary included.

Providing a tool to apply the data-recovery capability concepts of RAID-like systems to the posting & recovery of multi-part archives on Usenet.

[IMPORTANT] Retroshare is now distributed on Github. Please go to http://retroshare.net to find the latest releases and sources. RetroShare is a cross-platform, secured and decentralized communication system. It lets you to securely chat, share photos, videos, and more with family and friends, using OpenPGP to authenticate peers and OpenSSL to encrypt all communication.

Emu10k1 sound driver

iplist is a list based packet handler which uses the netfilter netlink-queue library (kernel 2.6.14 or later). It filters by IP-address and is optimized for thousands of IP-address ranges.

An Open Source Linux/Unix version of the hub software for Direct Connect. This project is looking for new maintainers.

A cross-platform Duke3D (Duke Nukem 3D) port which provides many new features for mod authors, including an enhanced scripting system and OpenGL renderer. Go to http://www.eduke32.com for downloads and http://bit.ly/dn_3d to get the game!

librsync has moved to https://github.com/librsync/librsync

UNFS3 is a user-space implementation of the NFSv3 server specification. It provides a unified mountd and nfsd program and so far runs under Linux, NetBSD, and Solaris.

Some useful helper tools for the eDonkey2000 and Overnet file-sharing programs (formerly ed2k_tools)

giFT is a project designed to completely abstract low-level filesharing protocol communication while allowing seamless support for multiple networks. Currently available plugins include: OpenFT, Gnutella, and FastTrack (third party).

RusHub - is a server software used for Direct Connect peer to peer network.

BtCheck is a bittorrent downloaded data checker and a torrent file content viewer.

GeeXboX uShare is a UPnP (TM) A/V Media Server. It implements the server component that provides UPnP media devices with information on available multimedia files. uShare uses the built-in http server of libupnp to stream the files to clients.

CTorrent is a BitTorrent Client program written in C/C++ for FreeBSD and Linux. Fast and small are CTorrent's two strengths.

DumpTorrent is a non-interactive text mode program which displays BitTorrent .torrent file information, including size, file names, announce[-list], comment, publisher and info_hash. It can also query (scrape) tracker for current downloader count.