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Sherpa-ONNXJulius
Free

Free and open source.

 Free

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

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

Checked October 1, 2026

Checked October 8, 2026

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