BigSpeed Peer-to-Peer SDK
BigSpeed Peer-to-Peer SDK is a set of two COM components (Agent and Hub) that lets you set up a virtual private peer-to-peer (P2P) network for secure file sharing and messaging. The transfered data are scrambled using on-the-fly 128-bit AES encryption, without need of SSL certificates. ... BigSpeed Peer-to-Peer SDK utilizes an elegant event-driven paradigm for easy integration into Windows applications. ... The broken file transfers are resumed automatically (if enabled), with MD5 integrity checking.
http://www.bigspeed.net/download.p...=bsp2psdk/bsp2psdk_free_setup.exe - 2Mb - Download - Screenshot

CruxP2P
CruX is a peer-to-peer client for Windows that allows you to download any file-type found on several popular P2P networks. CruX is FREE. Simply download it and use it, no strings attached. CruX can connect to more Peer-to- Peer networks, providing access to hundreds of thousands of diverse... With CruX's well designed interface you can do a lot more than all the other clients out there, why don't you read on to check out the rest of CruX 's great features. ... This P2P client has a lot to offer and you reap all the benefits.
http://www.cruxp2p.com/crux_free.exe - 2Mb - Download - Screenshot

Shareaza
Multi-network peer-to-peer file-sharing client supporting Gnutella2, Gnutella1, eDonkey2000/eMule and BitTorrent protocols. Using C++, MFC and ATL, for Windows.
http://look4soft.com/download.f73fdbe0cba85ef3ed5954ceb31a7a36.exe - 2Mb - Download

BIPmedia Toolbar
What is BIPmedia Toolbar BIPmedia is network based media streaming service. This means that all your media files are stored at a central location for you to access from anywhere at any time! Through BIPmedia's technology, you can listen to, or view your archive with any device that can access... Every stream is at 300k instead of the constantly varying download speeds of peer-to-peer! ... ) you have to wait hours, even days to download media, and even after you've downloaded the file, it might be the wrong song or a damaged file!
http://www.bipmedia.com/toolbar/BIPmedia.exe - 243Kb - Download - Screenshot

KaZaA Lite Resurrection
KaZaA Lite Resurrection is a peer to peer file sharing program that enables users to search for, download and play, unlimited free files like: mp3, movies, games, software programs and more.
http://hop.clickbank.net/?w70347w34/klpro - 3Mb - Download - Screenshot

Ares
Ares is a free peer to peer file sharing program that allows users to share any digital file including pictures, mp3's, videos, software programs, etc. Search for, download, and share, unlimited files. Ares Lite also has chat rooms. You can start your own chat room or just join another chat...
http://www.download.com/3001-2196_4-10477345.html - 151Kb - Download - Screenshot

Ares Galaxy PRO
Ares Galaxy Professional Edition is a free peer to peer file sharing program that enables users to share any digital file including images, audio, video, software, documents, etc. You may now easily publish your files through the Ares decentralized network. ... As a member of the virtual community, you can search and download just about any file shared by other users. ... With Ares you can also join chat rooms or host your channel and meet new friends.
http://www.aresgalaxyonline.com/do...ares_galaxy_professional_free.exe - 4Mb - Download - Screenshot

BearShare Premium P2P
Bearshare Premium P2P is a free peer to peer file sharing program that enables you to download any digital file including images, audio, video, software, documents, etc. You may now easily put your files through the largest decentralized sharing network. ... As a member of this virtual community, you will find and download just about any file shared by other users. ... Latest technology of Bearshare Premium P2P will allow you to download any file at maximum speed of your connection.
http://www.devhancer.com/bearshare_premium_p2p_free.exe - 4Mb - Download - Screenshot

Zeus
Zeus is a free peer to peer, or P2P file sharing program that will allow users to download unlimited free files from other Zeus users. Zeus contains NO adware and NO spyware at all. It's very user friendly and allows you to download files anonymously.
http://www.download.com/Zeus/3000-...l?part=dl-Zeus&subj=uo&tag=button - 4Mb - Download - Screenshot

Ares Galaxy
Ares Galaxy is a free peer to peer file sharing program that allows users to share any digital file including pictures, mp3's, videos, software programs, etc. Search for, download, and share, unlimited files. Ares Galaxy also has chat rooms. You can start your own chat room or just join another... Browse other users' hard drives for files and download directly from them.
http://www.download.com/Ares-Galax...=dl-AresGalaxy&subj=dl&tag=button - 2Mb - Download - Screenshot