Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Gmvault - Backup the emails in your Gmail account.
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.
imapsync - Console-based utility for migrating IMAP mailboxes.
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.