StartHQ - Search across all your cloud apps from one place
treev - A search bar for your Google docs, Dropbox, Trello & more
WhoHasAccess - Find out who can access your Google Drive.
Insync - Meet the Insync team that made it possible for users to do more with Google Drive storage on your devices.
Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.
Google Cloud Search - Search across all your company's content in G Suite.