Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Dimer Beta - Simplest way to write and publish beautiful docs
Phonebot - Make phone calls from within a Slack channel
Content Editor 2.0 by Surfer - Content Editor is the most advanced content optimization tool that allows you to write and grade your work.
Vuash - Send secret messages safely.
SEO Extension for Google Docs - SEO optimization in Google Docs is now easier than ever.