Tweak Installer is a desktop-based Debian package installer for Electra development toolkit. We previously introduce how to install 1.0 on 3uTools. Today the developer Joseph Walden updated tweak installer 2.0 after fixing a load of bugs, speeding up the tool with a new UI.
The developer mentioned this will probably be the last big update for Tweak Installer, as Cydia will hopefully come soon. He have stopped working on an old device version, as an actual package manager would be many times better. This also supports Circuit Breaker (if you use the deb or extract entitlements from the binary.