Topicbox - Put team emails into one centralized, searchable place
Sketch Repo - Collection of resources for anyone who uses Sketch
InboxSDK - First usable API to write Gmail Apps for 1B active users
Gmail Add-on Design Kit - A simple Sketch library to speed up Gmail Add-on designs
Front - multi-channel inbox service for collaborative teams
Charts by ls.graphics - The most comprehensive collection of charts for Sketch