Nym is described as 'Offers decentralized mixnet routing for network-level privacy, blocks surveillance and metadata leaks via blinded, re-randomizable credentials and zero-knowledge access' and is a anonymizing network in the security & privacy category. There are more than 50 alternatives to Nym for a variety of platforms, including Windows, Linux, Mac, Android and BSD apps. The best Nym alternative is Tor, which is both free and Open Source. Other great apps like Nym are Orbot, I2P, IPFS and Hyphanet.