Terminal over HTTP and HTTPS. Wetty is an alternative to ajaxterm/anyterm but much better than them because wetty uses ChromeOS' terminal emulator (hterm) which is a full fledged implementation of terminal emulation written entirely in Javascript. Also it uses websockets instead of Ajax and hence better response time.
A terminal in your browser using node.js and socket.io. Based on Fabrice Bellard's vt100 for jslinux.
javascript user interface library
js svg vector drawing and animation library
Easy Ajax and DOM manipulation for dynamic web applications