Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Remo Duplicate File Remover - Remo Duplicate File Remover is a simple yet powerful duplicate file remover app that lets you easily search and remove duplicate files on your Android mobile and tablet.

Drift - A messaging app that helps you grow your business.

Files by Google - A file management app that helps you free up space, find files faster, share files offline, and back up files to the cloud.

C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation

Dupdrop - Dupdrop – Duplicate File Remover is an Android tool created and published by Alexander Brunner.