Alternatives to Whonix
Two-virtual-machine system that isolates the desktop from the network. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Whonix
Two-virtual-machine system that isolates the desktop from the network.
Replacements
Listings that take over the same core job as Whonix.
Tails
Amnesic live operating system that routes everything through Tor.
Tails boots as an amnesic live system that forces all traffic through Tor and leaves no trace on the host, instead of running in virtual machines.
Kodachi
A privacy-focused Debian-based Linux distribution that routes traffic through Tor or VPN.
Kodachi is an installed Debian-based desktop routing traffic through Tor or VPN, without VM network isolation, and is only partly source-available.
Also worth comparing
These listings name Whonix as their own alternative, so the relationship runs both ways.
PureOS
Purism's free-software Linux operating system that converges between desktop computers and phones.
Whonix isolates the desktop from the network using two virtual machines on an existing host, instead of running as a standalone operating system.
Similar software
Related functionality, not a direct replacement.
Orbot
Tor VPN for Android and iOS that can route chosen apps.
I2P
Encrypted overlay network for anonymous sites, messaging and file sharing.
Lokinet
Onion-routed network built on staked nodes, routing at the IP layer.
InviZible Pro
Android app bundling Tor, I2P and DNSCrypt with a no-root mode.
MAT2
Strips metadata from images, documents, audio and video.