UltraSurf, Freenet, Freegate, Matrix.org, I2P, IPFS, ZeroMe, Onion.ly, Tunngle, Shadowsocks, Yggdrasil, Decentralized Internet, Touch VPN, OnionCat, CoovaChilli, Vidalia, Demonsaw, Snowflake Tor, MuWire, ninux, cjdns, ECnet, telehash, Project Maelstrom, Babel (protocol), VPNMaster, BitDust, mith.co, Perfect Dark, OLSR (Optimized Link State Routing), LibertyHero, Qaul, NotMyIP, SailfishVPN, Supernet, Stealthnet, IP Privacy, SelekTOR, UltraVPN, Phex, Netsukuku, Osiris SPS, FBVPN, SMesh, Anomos, FireTweet, CCNx are some alternatives to GNUnet.