- Zstd compression, fb

- Brotli compression, google

- Clickhouse (highly efficient OLAP db), yandex

- ESBuild (extremely fast js bundler), figma

- TailwindCSS (rapid css styling made ez)

- Caddy (nice auto-ssl for the lazy, also nice proxy)

- HAProxy (highly configurable proxy/lb)

- uWebSockets (highly performant web server with websockets; used by bitfinex, kraken, trello; has uWebSockets.js api for nodejs)

I am amazed at the variety of repos shared - by you, as well as others. Thanks!

Repo links: