OpenRefine : OpenRefine is a powerful tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web servic...
SquirrelMail : SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages...
Diffuse is a small and simple text merge tool written in Python. With Diffuse, you can easily merge, edit, and review changes to your code.