Side by side
JSMoo vs XRoar
Both stand on multi-system emulators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
JSMoo offers a free browser-based emulator project with several supported systems and an educational aim. Running it requires the specified server and HTTP-header setup, and some systems need BIOS files.
Visit JSMoo Free plan AndroidLinuxMac+2
XRoar combines broad 8-bit system emulation with image handling, snapshots and hardware options. Check the firmware requirement and default floppy write-back behavior before using it.
Visit XRoarThe facts
| JSMoo | XRoar | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Android, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | github.com | 6809.org.uk |
| On multi-system emulators | #37 of 54 | #41 of 54 |
JSMoo: what it does well
- Describes support for six retro systems
- Users can upload ROM files and remap controls
- Distributed under the MIT License
- Project welcomes fixes and optimizations
What to know first
- Requires special HTTP headers to run
- Sega Master System and ZX Spectrum require BIOS files
- ZX Spectrum keyboard input was noted as temporarily broken
XRoar: what it does well
- Supports Dragon, CoCo, MC-10 and Alice 4K systems.
- Reads and writes cassette, floppy and block-device images.
- Offers snapshots, PAL/NTSC and composite video emulation.
- Available on Android, Linux, macOS, web and Windows.
What to know first
- Firmware ROM images are required for useful emulation.
- Browser sandbox does not work transparently with local files.
- Floppy write-back may overwrite changed disk images.
- 6803 debugging is not implemented.