GitHub Visualizer - Enter user/repo and see the project visually
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Octohunt - Search to find developers in your city on Github.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Gource - Gource is a software version control visualization tool.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.