The best open source alternative to eMule is aMule. If that doesn't suit you, our users have ranked more than 10 alternatives to eMule and 14 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to eMule are Nicotine+, Shareaza, MLDonkey and WireShare.
aMule is an opensource alternative to eMule : aMule is a free peer-to-peer file sharing application that works with the EDonkey network and the Kad Network, offering similar features to eMule and adding others such as GeoIP (country flags).
Shareaza is the most luxurious and sophisticated file sharing system you'll find. It can harness the power of up to four separate peer-to-peer networks, including EDonkey2000, Gnutella, BitTorrent and Shareaza's native network, Gnutella2.
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...
Quazaa is a cross platform multi-network peer-to-peer file-sharing client based on Shareaza which will support Gnutella2, Ares, eDonkey2000, HTTP, FTP, and BitTorrent.
The DreaMule is based on the Very famous eMule. It focus on correct it maily bugs and add more features.
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.
mldonkey-next is a modern GUI for the multi-protocol p2p filesharing application mldonkey. mldonkey-next connects to mldonkey using the TCP binary interface.
kMule - short form for "kad mule" - is intended to be the most lightweight eMule compatible client out there. While eMule does a great job, it may contain too much bloat for the everyday user and it's updated not often enough to respond to the users wishes.
Spot-On is Encryption software that securely connects two friends for chat, group chat, email, file sharing and file transfers with magnet links and P2P web search.
The Owner-Free Filing system has often been described as the first brightnet; A distributed system where no one breaks the law, so no one need hide in the dark.
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All platform and gets the job done with minimum glitches ALSO, It is still being developed so that is a bonus!