DBeaver : Free multi-platform database tool for developers, SQL programmers, database administrators and analysts. Supports all popular databases: MySQL, Postgr...
Gerrit : Web based code review and project management for Git based projects.
DeepGit : DeepGit is a tool to investigate the history of source code. It combines Git Blame and Log information and makes it easy to trace changes to a line or...
Code Maat : Code Maat is a command line tool used to mine and analyze data from version-control systems (VCS).
Git Extensions is the only graphical user interface for Git that allows you control Git without using the commandline. It comes with a manual and video tutorials to get you started quickly.