SlackScreen - Full screen public Slack channel display
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Obie.ai - Access knowledge quicker without leaving Slack
Slinky - Your slack links — organized!
Designtack - Designtack is an online tool to quickly design social media content, in bulk. It helps you save your time on creating content for your social media channels.
Aggreto - Aggreto, a powerful social media aggregator tool and UGC platform that allows you content aggregation from multiple social networks (Facebook, Instagram, Twitter, etc.) for your events, website, and brands.