OpenStartup.dev - A collection of open startups
Slinky - Your slack links — organized!
Plezi - Plezi offers content marketing management software solution.
Slack It - A bookmarklet to share links in Slack with one click
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Top Daily Hunts in Slack - A simple, fast way to browse news within Slack