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PCSX-Redux vs DuckStation: catalog facts
PCSX-ReduxDuckStation
Free

Free and open source.

Free

Free to download and use for non-commercial purposes under CC BY-NC-ND 4.0.

Windows, macOS, Linux Windows, macOS, Linux
  • Debugging tools for PS1 development
  • Part of a wider project with libraries and hardware research
  • CPU recompilers for x86-64, ARMv7, AArch64 and RISC-V, so it runs well on handhelds too
  • Hardware renderers on D3D11, D3D12, OpenGL, Vulkan and Metal
  • Aimed at developers more than casual players
  • Documentation is spread across the project
  • Licensed CC BY-NC-ND 4.0, which forbids commercial use and derivative works, so it is not open source
  • A PS1 or PS2 BIOS image is required and is not supplied
Downloadable app Downloadable app
Open source Closed source
License: GPL-2.0 License: CC-BY-NC-ND-4.0
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.