The second released version of BikeIM (0.6+) is a Mail Client written in Python. It contains a graphical interface and a command-line interface and is compatible with any SMTP server that uses maildir format. It is currently in Beta phase, but improvements will be released in the future.

BikeIM 0.8 [sig]
git clone https://www.altsci.com/repo/bikeim.git

Report bugs and contribute patches on the wiki.

Screenshots