Lurchr - Saves all your Slack links, so you can focus on work
Pyro - Spotify music voting for parties
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
klaep - music collaboration - klaep is a social music collaboration network for musicians
Paperbot (Reloaded) - Slack meets Pocket
Madsounds - It’s like Discover Weekly, but daily.