Clearbit for Slack - Send all signups directly to a Slack channel
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
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.
Slinky - Your slack links — organized!
Obie.ai - Access knowledge quicker without leaving Slack
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.