Papermind - Papermind Slack App is a collaborative article-editing and document management platform for Slack
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
Quip: Team Documents for Slack - Create, share and get notified about Quip docs in Slack
Lingvanex Translator for Slack - Auto-translate messages, documents and images in Slack
Workflowy - A better way to organize your mind.
Inspector Spacetime from Google - Google Translate for engineers working with motion