Apps with 'Unified inbox' feature
- Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.
- Freemium • Open Source
- Arch Linux
- Anbox puts Android into a container and every Android application will be integrated with your operating system. Any Android version is suitable for this approach and try to keep up with the latest version from the Android Open Source Project.
Does not work with current kernels. Development has stagnated for 2 years.
- Free • Open Source
- Follow your data through its entire lifecycle. From fluid brainstorming and research, through to a structured system for collaborative use, Zenkit is the flexible workspace you can use to organize anything.
- Freemium • Proprietary
- Android Tablet
- Software as a Service (SaaS)