Clearbit for Slack - Send all signups directly to a Slack channel
Lurchr - Saves all your Slack links, so you can focus on work
Google Drive to Slack - Slack notifications whenever you work on Google Drive docs
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Maven App Engine Plugin - Computing power delivered everywhere, for customers & @gcloudpartners alike. Here's how to transform your biz with @GCPcloud, @gsuite, #Chrome & Android devices
Slack It - A bookmarklet to share links in Slack with one click