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.
React Native Desktop - Build OS X desktop apps using React Native
Gmvault - Backup the emails in your Gmail account.
Arbiter IDE - The offline-friendly, in-browser IDE for pure JS prototypes
imapsync - Console-based utility for migrating IMAP mailboxes.
CodeOnline - A remote and secure workspace powered by VSCode