Copytesting - Improve your website copy based on data from your audience
FINAL CUT - Library for creating terminal applications with text-based widgets
Keyword Insights - Save hours doing keyword research
termbox - Termbox is a library that helps making terminal-based pseudo-GUIs.
Keyword Surfer - Get search volumes & keyword data directly in Google.
Slang - Slang is a powerful visual programming language using a newly developed stream-based paradigm.