- Application
- Backup Tools
- Browsers and Plugins
- Business
- CD and DVD Tools
- Communications
- Compression Tools
- Converter
- Desktop
- Development
- Download Manager
- Drivers and Peripherals
- Education
- Email Software
- Email Tools
- Emulator
- File Sharing
- File Storage
- File Transfer
- File Viewer
- Games & Entertainment
- Graphic Apps
- Graphics Application
- Home & Hobby
- Home and Leisure
- Information Management
- Location Services
- Multimedia
- Network
- Photos and Images
- Programming
- Recovery
- Scheduling
- Security Tools
- Shell and Desktop
- Streaming
- System Utilities
- Translation
- Update Tools
- WildTangent
- Word Processor
Windows Live Mail
Microsoft Corporation (Freeware)
Email Software
- Thunderbird
- SuperMailer
- KMail (Mail Client)
- Advanced Email Extractor
- PocoMail
- EdMax
- Claws-Mail
- IncrediMail
- Cloudmark DesktopOne
- Mozilla Thunderbird Portable
- Becky! Internet Mail
- T-Online eMail
- Gmail
- Earlybird
- Winbiff
- Microsoft Outlook
- Windows Live Mail
- Outlook Backup Assistant