Web terminal

Xterm.js
xtermjs/xterm.js: A terminal for the web

WeTTY = Web + TTY
butlerx/wetty: Terminal in browser over http/https. (Ajaxterm/Anyterm alternative, but much better)

yudai/gotty: Share your terminal as a web application
Linux Fu: Share Terminal In Browser | Hackaday

rabchev/web-terminal: Web-Terminal is a terminal server that provides remote CLI via standard web browser and HTTP protocol.

Recording

marionebl/svg-term-cli: Share terminal sessions via SVG and CSS
chjj/ttystudio: A terminal-to-gif recorder minus the headaches.

asciinema

asciinema - Record and share your terminal sessions, the right way record and post to asciinema.org
asciinema/asciinema: Terminal session recorder 📹
Record your terminal session with Asciinema | Opensource.com

asciinema/agg: asciinema gif generator

ttyrec

ttyrec: a tty recorder
sugyan/ttygif: ttyrec to gif
icholy/ttygif: Convert terminal recordings to animated gifs

TermRecord

theonewolf/TermRecord: Terminal session recorder that outputs self-contained HTML!

How to record and replay a terminal session on Linux - Xmodulo
How to Record your Terminal session in Linux?