imapsync - Console-based utility for migrating IMAP mailboxes.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Invision - Prototyping and collaboration for design teams
audriga Email and Groupware migration - Easily migrate your email, contacts, calendar items and tasks to your new provider or server. No software installation is required.
Sketch - Professional digital design for Mac.