replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
rysolv - Fix open source issues, get paid
Kite - Kite helps you write code faster by bringing the web's programming knowledge into your editor.
uTask - Hire a coder by having them do a real-world task
Tuple - Tuple is a Mac-only remote pair programming tool for discerning developers
Text A Coder - Send a text, get a developer and project manager instantly