Clerk Chat - SMS for Slack
Slack App Directory - Your go-to for finding apps that work with Slack
FakeClients Feedback - 🖌 A simple, free to use platform for design feedback
Airsketch - Simple screenshots + annotations for Mac 🖥️
Cato - Instant Spotlight-like search for your web browser.
Slack E-mail Add-ins - Quickly forward emails and attachments to Slack