Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

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.

Retool - Build custom internal tools in minutes.

Gmvault - Backup the emails in your Gmail account.

SeaTable - With SeaTable, teams can easily organize their tasks, assets, projects and ideas. It looks like Excel, but its not limited by text and numbers. SeaTable brings structure to any type of information, in the cloud or on your own server.

imapsync - Console-based utility for migrating IMAP mailboxes.