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JuliusSherpa-ONNX
Free

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

 Free

Free and open source.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Android, iOS, Self-hosted, Command line
  • Supports dictation, grammar-based, and isolated-word recognition
  • Designed for real-time decoding
  • Works fully offline
  • Runs on phones, single-board computers and NPUs as well as servers
  • Aimed at speech researchers and developers rather than general-purpose transcription users
  • Requires speech and language models
  • Mainly a developer toolkit with technical setup
  • Models must be downloaded and chosen separately
Downloadable app Downloadable app, Self-hosted
Open source Open source
License: BSD-3-Clause License: Apache-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 8, 2026

Checked October 1, 2026

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