Internet/File Sharing
freeware
µTorrent
uTorrent is an efficient and feature rich BitTorrent client for Windows sporting a very small footprint. It was designed to use as little cpu, memory and space as possible while offering all the functionality expected from advanced clients.
open source
Vuze
Vuze is a Java based BitTorrent client that offers multiple torrent downloads, queuing/priority systems (on torrents and files), start/stop seeding options and instant access to numerous pieces of information about your torrents. It also features an embedded tracker that is easily set up and ready to use.
open source
FrostWire
FrostWire is a fast P2P file-sharing application letting users share and search for all types of computer files including movies, pictures, games, and text documents from users of Morpheus, BearShare, LimeWire and others. The application's other features include dynamic querying, the ability to preview files while downloading, advanced techniques for locating rare files, and an extremely intuitive user interface.
freeware
BitSpirit
BitSpirit is a powerful and easy-to-use BitTorrent client which provides not only full BitTorrent protocol implementation but also many personalized features. It supports simultaneous downloads, download queue, UPNP port-maping, NAT traversal(UDP transport), select downloads from multiple files torrent package, disk cache, chatting with other peers, torrent market,ip-filter, etc.
open source
eMule
eMule is a filesharing client based on the eDonkey2000 protocol. This means you are able to connect to official eDonkey2000 clients and visa-versa.
open source
Deluge
Deluge uses libtorrent in it's backend and PyGTK for it's user interface.It features a rich plugin collection; in fact, most of Deluge's functionality is available in the form of plugins. It was created with the intention of being lightweight and unobtrusive. It is our belief that downloading shouldn't be the primary task on your computer and therefore shouldn't monopolize system resources. It is not designed for any one desktop environment and will work just fine in GNOME, KDE, XFCE and others.
freeware
BitComet
BitComet is a powerful, clean, fast, and easy-to-use bittorrent client. It supports simultaneous downloads, download queue, selected downloads in torrent package, fast-resume, chatting, disk cache, speed limits, port mapping, proxy, ip-filter, etc.
freeware
Soulseek
Soulseek is an ad-free, spyware-free file-sharing application dedicated predominantly to the free trade of electronic music and the promotion of unsigned artists. Search for and share all kinds of files, including MP3s. It also includes chat rooms, and it features a buddy list for your favorite users. The latest version includes an improved search engine and added wishlist functionality.
open source
PeerBlock
PeerBlock is a new version of the popular Peer Guardian 2 software. It blocks "known bad" computers from accessing yours, for example governments, corporate entities, and those flagged for anti-p2p activities. It maintains the functionality of the original Peer Guardian 2 program, but includes fixes for various issues that remain unaddressed in the latest (~2 year old) version of PG2.
open source
PeerBlock
PeerBlock lets you control who your computer "talks to" on the Internet. By selecting appropriate lists of "known bad" computers, you can block communication with advertising or spyware oriented servers, computers monitoring your p2p activities, computers which have been "hacked", even entire countries! They can't get in to your computer, and your computer won't try to send them anything either.
freeware
Dropbox
Dropbox is the easiest way to store, sync, and, share files online. There's no complicated interface to learn. Dropbox works seamlessly with your operating system and automatically makes sure your files are up-to-date. Available for Windows, Mac, and Linux.
freeware
Cabos
Cabos is Gnutella file sharing program based on LimeWire and Acquisition. It is free software. No spyware and No adware. It provides a simple sidebar interface, Mojito DHT support, firewall to firewall transfers, IP2Country support, UPnP support, iTunes integration, "What's New?" searches and more.
open source
Shareaza
Shareaza is a peer-to-peer file sharing client which supports the Gnutella, Gnutella2, eDonkey Network, BitTorrent, FTP and HTTP network protocols and handles magnet links, ed2k links, Piolet links, and the now deprecated Gnutella links. It is available in 30 languages.
open source
Ares
Ares is a 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 Network. As a member of the network, you can also search and download just about any digital media file. You can also join or host chat rooms and meet new friends.
open source
ApexDC++
ApexDC++ (formerly PeerWeb DC++) is an innovative Direct Connect client based on StrongDC++. It has numerous features such as the PeerGuardian blocklist manager, customisation, themes, super seeding, a friendly GUI and more.
freeware
SoftPerfect Network Scanner
SoftPerfect Network Scanner is a free multi-threaded IP and NetBIOS scanner. Both system administrators and users who are interested in computer security can use this. The scanner pings computers, scans for listening TCP ports and shows what types of resources are shared on a network (including system and hidden). It allows you to mount shared resources that are found by the program as network drives, simply browse them using Windows Explorer, etc.
open source
MP3 Rocket
MP3 Rocket is a P2P file sharing program allowing users to download mp3 music files from the gnutella network. Users can also search for and download movie files, software titles, games, documents and images. Other features include the ability to preview files while downloading, advanced techniques for locating rare files, an extremely intuitive user interface, and enhanced parental controls through the use of built-in keyword filters.
open source
Phex
Phex is a multi-plattform and spyware free gnutella client. All you need is a operation system that offers a Java Runtime Environment. It is completly free, open source and without spyware. It offers a research functionlity that will find new download candidates automaticly for you. You can even specify the search terms that are used for research. It will look for files that match the search terms and the file size of the download. Combined with the resume download feature across hosts, it offers you a...