- Tool that scans browser and Node.js JavaScript and generates UML diagrams
- http://www.objectplayground.com/
- Tool that tracks package.json and visualizes the support / LTS lifecycle for Node and other packages
- Enterprise Configuration Management Tool for Node.js
- These could be a web app or a browser plugin
- ChatOps for Mainframe
- Browser-based 3270 terminal emulator
- REXX Interpreter in JavaScript
- COBOL Interpreter??? in JavaScript
- CMS / TSO shell in JavaScript
- IDE to develop and submit JCL
- Real-time strategy game
- Tetris Attack clone
- Student Debt Tool
- Tool for helping to come up with Freelancer rate
- Collaborative social network for studying great books, including comments, gameification, etc.
- Aser's "Typing Tutor the blind" on iOS via React Native
- VR overlay of Old Town...
- Libraries for supporting multi-platform
- Open Source Projects from USDS