Bun
Bun is an open JavaScript and TypeScript runtime combining a package manager, test runner, bundler, and Node.js-compatible APIs.
Why use it
Web-game tools, development servers, and lightweight backends reduce tool count and improve install and startup speed.
Where it fits
Find engines, frameworks, code libraries, version control, and production automation.
What to check
Validate Node compatibility per dependency, and expect behavior changes from a rapidly evolving release line.