Acquisition: Open source peer-to-peer file sharing program for OS X. Features list, support forum. Mac OS 10.2 or higher.
After Napster - The Beat Goes On: A large listing of Napster alternatives - software for various platforms, search and metasearch services.
BadBlue: A free, very small Windows web server for sharing, publishing and serving files.
Blubster: Decentralized file sharing system for MP3 files featuring resumable and distributed downloading.
Carracho: Offers Mac software that allows you to share files, search for files, resume stopped downloads, and create own chat rooms.
Drumbeat: File-sharing program for the Mac featuring multiple servers and unlimited results.
Endeavors Technology: Provides secure peer-to-peer (P2P) collaboration networks with its product, Magi Enterprise for PCs, laptops and Windows CE handheld devices. Includes messaging, WebDAV publishing and encryption.
EW.com: For a Song: Entertainment Weekly rates Rhapsody, MusicNet, Pressplay, and Emusic.
File Rogue: Java based Peer-To-Peer file sharing client application and service for Windows, Macintosh or Linux.
Filetopia: File sharing tool with public key encryption, instant messages, chat, free e-mail, message boards and file collection organizer.
Filetopia News: Software, news, games and forums related to this file sharing tool with public key encryption.
Furthur Network: Network for sharing legally traded live music in MP3 and SHN formats.
Gnomoradio: Music sharing, playback, and recommendation program for Creative Commons licensed songs. Gnomoradio is free, open source software for Linux/UNIX systems.
GNUnet: Free (GPL) peer-to-peer framework of the GNU project with a focus on anonymous file-sharing. Works under Linux, BSD, OS X and Windows.
iMesh: User-to-user exchange community.
Iwannadownload.com: Run your own P2P program and this software to compare file names and sizes for their pre-qualified list of files. Increases your chances of getting a good file.
JukeDaddy: Offers a program to allow streaming of mp3s and control music files from anywhere on your network.
KCeasy: Open source Windows frontend for giFT. Download, FAQ and forum.
Konspire: A searchable, distributed file sharing system with no central servers, and resumable file transfers. Written in Java 1.1 for portability.
MediaSeek: A free P2P Network which supports music, video, movies and eBooks in a range of file types.
MegaBrowser.com: Free peer-to-peer program that turns your PC into a web and ftp host so you can host your own sites and trade files. Built on IE plus has tabs, fetch, personalities, and search.
MLDonkey: Multi-platform, multi-protocol client. Includes support for eDonkey2000, Overnet, BitTorrent, Gnutella and Fasttrack, and is written in Objective Caml.
Morpheus: Multi-network file-sharing client with features including chat, multiple media types, and multisource downloading.
MP3 Voyeur: A local area network MP3 search tool that crawls local networks for shared MP3 files.
Mute File Sharing: Multiplatform peer-to-peer file sharing network designed to maintain users' anonymity. Mute is free, open source software for multiple operating systems.
My Web Server: Free personal peer-to-peer web, file and application server that allows you to message, save your favorites-bookmarks, file upload, and save HTML pages in your shared directory.
Myster: File sharing utility for Mac, Windows and Linux platforms featuring a realtime, self-organizing and self-optimizing network.
NapMX: Allows users to add OpenNap and SlavaNap servers to WinMX servers list.
OnSystems: Offers secure private servers to corporations who wish to maintain their own p2p networks.
Piolet: Music file sharing application supporting text and voice chat, multi-source MP3 and ogg downloads, and a built-in media player.
Publius Publishing System: Web publishing system that is highly resistant to censorship and provides publishers with a high degree of anonymity.
ReviewManager: A client-review tool for file and document sharing, viewing, transferring and management. Allows people to show work, ranging from movie files to document files, over the internet.
Shareaza: Open source multi-network P2P client for Windows.
SongSpy: A graphical peer-2-Peer mp3-only sharing network designed from the ground up by music addicts for music addicts. Earn Karma Points good toward prizes just for sharing.
Soulseek: Free file sharing application. News, forums, FAQ and tutorials.
Spartacus: File sharing P2P groupware software supports MP3 sharing as well as documents and other formats.
StreamSec 2PCube: Integrated client and server with strong encryption designed for small groups on large networks. Features include file sharing, messaging, news and chat.
Swap and Play: Social network to help share movies, games and music among friends, by borrowing their legal physical copies. Provides listing and searches of friends' collections.
Taxster: Reviews and news of the latest file-sharing programs and Napster alternatives.
The Ballad Free File Sharing Network: Allow users of several file sharing programs to connect to their network of servers to search for and download items in a P2P environment.
The Circle: Decentralized, highly scalable P2P application. Features file sharing, instant messaging, IRC style chat and trust based news.
The giFT Project: A modular daemon capable of abstracting the communication between the end user and specific filesharing protocols. The giFT project has a homegrown p2p network, OpenFT.
The Poisoned Project: A free, open source file sharing application for Mac OS X.
Vladd44.com: BitTorrent and WinMX help site.
WASTE: Software and protocol enabling secure distributed communication and file sharing for small trusted groups of users.
WWW File Share: File sharing system with a browser-based client allowing sharing amongst closed networks of friends.
ZPoc: File sharing software for the Christian community to share beliefs through songs, with their friends. Features include chat and private messaging.
Zultrax: A peer-to-peer file sharing client running on both the Gnutella network and its own encrypted network.