not open source (yet).
mostly intended for development tools / environment.
claims to be 20% faster than "native" node.js
also mentioned "OS in browser" also running on WASM.
Key WebContainer Components
- Virtual File System with lazy-loading capabilities
- Virtual Networking
- Multi-threaded/multi-process application support
- Inter-Process communication/process signaling
- POSIX-esque shell with ability to shell out between processes