Side by side
rdesktop vs UltraViewer
Both stand on remote desktop software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMac
rdesktop covers basic open-source RDP access with file transfer and smart-card support. Its long-term maintenance and unresolved security warnings are significant considerations.
Visit rdesktop Free plan Windows
UltraViewer covers remote control, chat, file sharing, and multi-computer sessions on Windows. Choose between its free plan and annual paid plans, and note the portable ZIP’s unsupported status.
Visit UltraViewerThe facts
| rdesktop | UltraViewer | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac | Windows |
| Lowest paid plan | Free or on request | Lite UltraViewer: $3.99 a year |
| Plans published | 1 | 3 |
| Maker | Not published | Not published |
| Website | rdesktop.org | ultraviewer.net |
| On remote desktop software | #73 of 135 | #69 of 135 |
rdesktop: what it does well
- Free GPL-3.0 software
- Implements RDP versions 4 and 5
- Supports file transfer
- Works with listed legacy Windows versions
- Smart-card support via PCSC-lite
What to know first
- No longer maintained
- Reported vulnerabilities have not been reviewed
- Installation requires building from source
- Windows support ends at listed versions
UltraViewer: what it does well
- Chat and file sharing are available during sessions.
- Can control multiple computers simultaneously.
- Remote users can reclaim the mouse.
- Paid purchases include a 15-day money-back guarantee.
What to know first
- Available for Windows only.
- Portable ZIP has fewer features and is marked unsupported.
- Paid plans are billed annually.
Alternatives to rdesktop Alternatives to UltraViewer The whole list