K9 is an opensource email client based on the Email application shipped with the initial release of Android. K9 is focused on making it easy to chew through large volumes of email. It's our hope that K9 leads to improvements in the core Android mail client.
Stuff for Android based Phones
Irssi ConnectBot is a modified version of the popular ConnectBot SSH client for Android. Irssi ConnectBot has features which helps users to use IRC-clients and other utilites through SSH.