License: Proprietary Top 5 free seo tools. Price: Beta / Free for non-commercial use Price: $99/user, $75 annual business sub, free eval Price: $79/user / Free for non-commercial use If you want to add another GUI tool to this list, just follow the instructions. Git comes with built-in GUI tools for committing (git-gui) and browsing (gitk), but there are several third-party tools for users looking for platform-specific experience.