The power of Cursor for your own website. Onlook lets you edit your React website and write your changes back to code in real-time. Iterate and experiement with AI. Download the open-source, local-first desktop app today.

TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.
To use TIO, simply click the arrow below, pick a programming language, and start typing. Once you click the run button, your code is sent to a TIO arena, executed in a sandboxed environment, and the results are sent back to your browser. You can share your code by generating a client-side permalink that encodes code and input directly in the URL.

A visual programming language for microcontrollers