Mosh : Remote terminal application that allows roaming, supports intermittent connectivity, and provides intelligent local echo and line editing of user keys...
Snowflake : Snowflake is a graphical SSH client. It has a enhanced SFTP file browser, SSH terminal emulator, remote resource/process manager, server disk space an...
ABaroids : A game in the address bar using html5 history.replaceState
present : A terminal-based presentation tool with colors and effects.
You can also play a codio (pre-recorded code block) on a slide.