Gigatribe!

RetroShare is a open source cross-platform, private and secure decentralized communication system. It lets you to securely chat, share photos, videos, and more, using OpenPGP to authenticate peers and OpenSSL to encrypt all communication.

FrostWire is a free, open source P2P BitTorrent file sharing application & cloud file downloader in one. It's a fork of LimeWire .

Soulseek® is a unique ad-free, spyware free, and just plain free file sharing application. One of the things that makes Soulseek® unique is our community and community-related features. Based on peer-to-peer technology, virtual rooms allow you to meet people with the same interests, share information, and chat freely using real-time messages in public or private. Soulseek®, with its built-in people matching system, is a great way to make new friends and expand your mind!

FreeNAS is a free NAS (Network-Attached Storage) server, supporting: CIFS (samba), FTP, NFS, AFP, RSYNC, iSCSI protocols, S.M.A.R.T., local user authentication, Software RAID (0,1,5) with a Full WEB configuration interface. FreeNAS takes less than 32MB once installed on Compact Flash, hard drive or USB key.The minimal FreeBSD distribution, Web interface, PHP scripts and documentation are based on M0n0wall.

MLDonkey is an open source, multi-protocol, peer-to-peer file sharing application that runs as a back-end server application on many platforms. It can be controlled through a user interface provided by one of many separate front-ends, including a Web interface, telnet interface and over a dozen native client programs.Its great when you have multple computers and you want to set up one server to download and in multiple computers with multiple users you can add files. (use it with Sancho Gui)

A lightweight, fast and convenient modern LAMP Server with Redis and Memcached, extremely high performance. Laragon'll turn your computer into a powerful server in a minute so you can host Wordpress, Joomla, Magento, Drupal, and Prestashop quickly and effortlessly.

Calypso, formerly Kommute, is a cross platfrom file sharing client using the anonymous network MUTE. Developped using C++ and Qt. For windows and linux, portable to other environments. You can try it by following the installation instructions below.

Simple and easy to useFully decentralized networkAll shared files are indexed locallyNo relaying of other user's searchesPure UDP protocol that utilizes forward error correctionFull connection encryption and decentralized public key infrastructureRecirculating token system that helps distribute upload bandwidth fairlyEfficient and fast transfers via re-combining and re-encoding blocks at all nodesClean install and uninstall, or stand-alone operation, with no annoying .Net or Java dependenciesNO Spyware NO Ads NO Nonsense »

eMule Plus is a new generation eye candy eMule compatible client created to improve the original GUI and to bring you the best experience ever. Give it a try and feel the boogie. eMule Plus does not contain any spyware, adware or the like. Its open source and free for life.

Kangee - the easy-to-use Open-Source Personal On-Demand Fileserver. Your communication partner only needs a browser to download or upload files to you. Use it by exchanging links Kangee generates for you.