IPFS Companion is described as 'Harnesses the power of your locally running IPFS node (either through the IPFS Desktop app or the command-line daemon) directly inside your favorite Chromium-based or Firefox browser, enabling support for ipfs:// addresses, redirecting content-addressed websites' and is an app in the security & privacy category. There are nine alternatives to IPFS Companion for a variety of platforms, including Mac, Windows, Linux, BSD and Self-Hosted apps. The best IPFS Companion alternative is I2P, which is both free and Open Source. Other great apps like IPFS Companion are IPFS, Hyphanet, ZeroNet and GNUnet.