KeePass - KeePass is an open source password manager. Passwords can be stored in highly-encrypted databases, which can be unlocked with one master password or key file.
Slack It - A bookmarklet to share links in Slack with one click
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Heymarket for Slack - Text and Facebook messaging from Slack
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
MovetoSlack - Migrate from MS Teams to Slack in 5 minutes