t: A command-line power tool for Twitter The CLI takes syntactic cues from the Twitter SMS commands, but it offers vastly more commands and capabilities than are available via SMS.

Audiotool Audiotool is a powerful online music production studio right in your browser.

Epic Pen Free screen marker and desktop annotation tool for Windows

Abundant Music Abundant Music is a procedural music generator that doesn't require any musical knowledge to generate music.

Pinout The comprehensive GPIO Pinout guide for the Raspberry Pi.

Fantasy name generators I find myself at this site every time I need a name for an Elder Scrolls or Dragon Age character, etc, but it's actually an incredible resource for writers of fantasy and science fiction works looking for not just character names, but place names, vehicle names, drink names, drug dames, disease names and many, many more.

Inform 7 Inform is a design system for interactive fiction based on natural language. It is a radical reinvention of the way interactive fiction is designed, guided by contemporary work in semantics and by the practical experience of some of the world's best-known writers of IF.