Waydev - Waydev analyzes your codebase from Github, Gitlab, Azure DevOps & Bitbucket to help you bring out the best in your engineers work.
Git History - Quickly browse the history of any GitHub file Replace github.com with github.githistory.xyz in any file url.
Git Hint - Not just another Git cheat sheet.
gitui - blazing fast terminal-ui for git
GitPrime - GitPrime uses data from any Git based code repository to give management the software engineering metrics needed to move faster and optimize work patterns.
Code Time - VS Code extension for automatic programming metrics