Disk Drill by Cleverfiles - Recover any type of deleted files in Windows & Mac including Office documents, messages, and media files quickly and easily.
Outlook4Gmail - Outlook4Gmail provides easy synchronization of your Outlook and Google accounts
MiniTool Power Data Recovery - MiniTool Power Data Recovery is a freemium data recovery tool that works quite well considering the basic version is the only free aspect of the app.
Boomerang for Outlook - Boomerang for Outlook offers email productivity tools to track, schedule and send mails at the right time.
Wondershare Data Recovery - Recoverit data recovery software enables you to recover all data types in any data loss scenarios easy,fast,powerful for Windows computer with 96% high recovery rate.
BlueMail - BlueMail is an email management app for Android, iOS, and Windows.