@ -1277,6 +1277,7 @@ See **[Ticketing](#ticketing)**
- [Judge0 API](https://api.judge0.com) - Open source API to compile and run source code. ([Source Code](https://github.com/judge0/api)) `GPL-3.0``Ruby`
- [Koding](http://www.koding.com/) - The simplest way to manage your entire Dev Infrastructure. ([Source Code](https://github.com/koding/koding)) `Apache-2.0``Nodejs`
- [ML Workspace](https://github.com/ml-tooling/ml-workspace) - All-in-one web-based IDE for machine learning and data science. `Apache-2.0``Docker`
- [Regexr](http://regexr.com/) - RegExr is a HTML/JS based tool for creating, testing, and learning about Regular Expressions. ([Source Code](https://github.com/gskinner/regexr)) `MIT``Nodejs`
- [RStudio Server](https://www.rstudio.com/products/rstudio/#Server) - Web browser based IDE for R. ([Source Code](https://github.com/rstudio/rstudio)) `AGPL-3.0``Java/C++`