# Resources for all languages ## Language References - [DevDocs.io](https://devdocs.io/) - DevDocs combines multiple API documentations in a fast, organized, and searchable interface. - [ReadTheDocs.org](https://readthedocs.org/) - Read the Docs simplifies software documentation by automating building, versioning, and hosting of your docs for you. ## Cheat Sheet Repositories ## Validators and online tools - [Rapid API](https://rapidapi.com/) - Find and Connect to Thousands of APIs. One SDK. One API key. One dashboard. - [CodeBeautify.org](https://codebeautify.org/) - Straight up the most comprehensive god-damn list of converters and validators I have ever come across. ## Articles, Books, and Videos - [The Ancient Art of the Numerati](http://guidetodatamining.com/) - A guide to practical data mining, collective intelligence, and building recommendation systems by Ron Zacharski.