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Real-ESRGANchaiNNer
Free

Free and open source under the BSD-3-Clause license.

 Free

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

Windows, macOS, Linux, Command line Windows, macOS, Linux
  • Dedicated model variants tuned for anime versus photo content
  • BSD-licensed and widely reused inside other tools and GUIs
  • Combines image operations and AI upscaling in a visual pipeline.
  • Core project is a command-line library rather than a polished GUI app
  • No repository update reflected since mid-2024
  • Some operations need additional models or processing dependencies.
Downloadable app, Self-hosted Downloadable app
Open source Open source
License: BSD-3-Clause License: GPL-3.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 22, 2026

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