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CactusViewerJPEGView
Free

Free and open source under the BSD 2-Clause licence; donations are welcome.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Windows Windows
  • Single executable with no installer needed
  • GPU rendering through a custom Direct3D 11 renderer
  • Supports common image formats and many camera RAW files.
  • Windows only
  • No packaged releases on the GitHub repository
  • It focuses on viewing and adjustments rather than layered composition.
Downloadable app Downloadable app
Open source Open source
License: BSD-2-Clause License: GPL-2.0-or-later
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

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