General

  • IRC – Best Client: mIRC

File Transfer Protocol

  • Best Personal Server: Serv-U

Central Servers

  • CuteMX – Dead
  • Scour Exchange – Dead
  • Napster – Dead
  • AudioGalaxy – Dead
  • iMesh (the server network) – Dead

Multi-Server

  • ED2K – Best Client: eMule
  • DirectConnect – Best Client: DC++
  • i2hub – Dead

Decentralized Networks – Big Population

  • FastTrack – Best Client: K-Lite
  • Ares – Best Client: Ares
  • Kad – Best Client: eMule

Medium Population

  • WinMX – Best Client: WinMX (officially closed, patch required to function)
  • Overnet – Best Client: Dead
  • OpenFT – Best Client: KCeasy
  • iP2P – Best Client Dead

Small Population

  • MUTE – Best Clients: MUTE
  • Ants – Best Client: Ants
  • Sumi – Best Client: Sumi
  • Share – Best Client: Share (official site down)
  • Rodi – Best Client: Rodi
  • iMnet2 – Best Client: iMesh
  • Aimni – Best Client: Aimni

Private Networks

BitTorrent

  • Azureus DHT – Best Client: Vuze
  • eXeem – Dead
  • Anatomic – Best Client: Anatomic

Finding Torrents: TorrentScan.com

Source www.filesharingz.com