PyWebMail is a Python library and POP3 gateway
that allows you to work with webmail servers as if
they were POP3 or IMAP mail servers. Currently,
support for Mail.Com, Yahoo! Mail, Gmail,
Netscape, HotMail and some minor servers is
FruMailer is a project written in Perl/Tk that
aims to be an e-mail client (MUA) with a small,
fast, light, and simple GUI interface.
A high performance, scalable database modeled after Bigtable.
A light IDE for Ruby.