1. Devdocs.io
DevDocs combines multiple API documentations in a fast, organized, and searchable inteface.
Write code in one language and get equivalent code in all other languages.
3. replit.com
Use this free, collaborative, in-browser IDE to code in 50+ languages – without spending a second on setup.
question and answer site for professional and enthusiast programmers.
5. easings.net
Do amazing CSS animations in seconds without calculating much. You get everything accordingly @keyframes, cubic-bezier, size, opacity everything for each you choose.
6. codeshare.io
Share code in real-time with developers. An online code editor for interviews, troubleshooting, teaching & more…
7. mockaroo.com
Need some mock data to test your app? Mockaroo lets you generate up to 1,000 rows of realistic test data in CSV, JSON, SQL, and Exel formats.
8. overapi.com
It is a really neat programming reference website. It has a ton of reference sheets for different programming languages.
