Commit is a free and open source Git and Mercurial commit message editor for Linux. Using this Commit app you can inserts blank line between title and description, set the title characters overflow limit and view project folder and branch in window header. Some other important features are git commit messages, git merge messages, git tag messages, git add -p messages, and git rebase -i messages and mercurial commit messages support. It also comes with spell checking and dark theme support. It is released under GNU General Public License v3.0.