- Java Applet
- ActiveX
- Flash
- Microsoft Silverlight
- asm.js: https://github.com/asm-js
- WebAssembly: https://webassembly.org/
- v86: https://github.com/copy/v86
- Infinite Mac: https://infinitemac.org/
- Unity:
- ffmpeg.wasm: https://github.com/ffmpegwasm/ffmpeg.wasm
- WebContainers: https://webcontainers.io/
- HTTP:
- HTTP/0.9: The one-line protocol
- HTTP/1.0: Building extensibility, RFC 1945(1996)
- HTTP/1.1: The standardized protocol, RFC 2068(1997), RFC 2616(1999), RFC 7230 - RFC 7235(2014)
- SPDY
- HTTP/2: A protocol for greater performance, RFC 7540(2015)
- HTTP/3: HTTP over QUIC, RFC 9114, 2022
- WebGL(1.0, 2011)
- WebGPU: https://github.com/gpuweb/gpuweb
- Web Workers
- WebAssembly
- SharedArrayBuffer
- Windows 98: https://98.js.org/
- Windows 11: https://wintest.andrewstech.me/
- macOS: https://macos-web.app/