Alternatives to Arti
The Tor Project's rewrite of the Tor client in the Rust programming language. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Arti
The Tor Project's rewrite of the Tor client in the Rust programming language.
Replacements
Listings that take over the same core job as Arti.
Orbot
Tor VPN for Android and iOS that can route chosen apps.
Orbot is a graphical Tor VPN app for Android and iOS from the Guardian Project, with per-app routing on Android instead of a command-line client.
InviZible Pro
Android app bundling Tor, I2P and DNSCrypt with a no-root mode.
InviZible Pro bundles Tor with I2P and DNSCrypt in an Android app with per-app rules, but it is heavy on battery and not on Google Play.
Also worth comparing
These listings name Arti as their own alternative, so the relationship runs both ways.
I2P
Encrypted overlay network for anonymous sites, messaging and file sharing.
Arti is the Tor Project's Rust Tor client, so you join the larger Tor network instead, but it is a command-line tool aimed at technical users.
Lokinet
Onion-routed network built on staked nodes, routing at the IP layer.
Arti is the Tor Project's Rust command-line client, giving access to the larger Tor network without a graphical interface.
Similar software
Related functionality, not a direct replacement.
torsocks
A command-line wrapper that routes an application's network traffic through the Tor network.
Snowflake
A Tor censorship circumvention tool and browser extension that lets volunteers relay traffic for blocked users.
Tails
Amnesic live operating system that routes everything through Tor.
Whonix
Two-virtual-machine system that isolates the desktop from the network.
ProxyChains-NG
A UNIX command-line preloader that forces a program's TCP connections through SOCKS or HTTP proxies.
i2pd
A full-featured C++ implementation of the I2P router for joining the anonymous I2P network.