Waydev - Waydev analyzes your codebase from Github, Gitlab, Azure DevOps & Bitbucket to help you bring out the best in your engineers work.
GitHub Metrics - Customize your profile with various plugins and metrics
Code Time - VS Code extension for automatic programming metrics
Cube.js - An open source framework to add customer-facing analytics to any application.
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.
Screenful Metrics for GitHub - Analytics for GitHub Issues