GitSpo - Measure & engage your open-source community
Waydev - Waydev analyzes your codebase from Github, Gitlab, Azure DevOps & Bitbucket to help you bring out the best in your engineers work.
Git analytics - for software developers, teams, and open-source communities
Code Time - VS Code extension for automatic programming metrics
GitSheet - A dead simple Git cheat sheet.
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.