Freedom251 › Text-to-Speech Software
Gnuspeech
by Gnuspeech
What Gnuspeech is
Gnuspeech is a free articulatory speech synthesizer that converts text to speech using a vocal-tract model. The project supports Linux and macOS and permits commercial use under the GNU GPLv3-or-later license. Its macOS port includes the synthesizer and graphical interface tools. On Linux, GnuspeechSA is a standalone command-line synthesizer tested on Linux x86_64; it is also described as a multi-platform C++ command-line synthesizer. The project page provides English synthesis examples for male, female, large-child, small-child and baby voices. Documentation links include Monet and TRAcT manuals, and source-code repositories are available. GnuspeechSA uses one thread. The project describes a command-line synthesizer and lists no third-party integrations or security certifications. The Gnuspeech plan costs nothing and includes downloadable source code.
Who it suits
Gnuspeech suits developers and users seeking a free vocal-tract text-to-speech system on Linux or macOS. Commercial use is permitted under its listed GNU license.
What it does well
- Free downloadable source code
- Supports Linux and macOS
- Commercial use permitted
- Provides multiple English voice examples
- Includes Monet and TRAcT manuals
What to know first
- GnuspeechSA uses only one thread
- Command-line operation is documented
- No third-party integrations are listed
- No support service is stated
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Gnuspeech | GNU GPLv3-or-later · downloadable source code | Free |
As gnu.org lists them, read 12 Oct 2026. The maker's own page has the final word.
Verdict
Gnuspeech offers a specialized, free speech-synthesis approach based on vocal-tract modeling. Its platforms, license and voice examples are clear, while interaction centers on command-line tools.
Facts from Gnuspeech's own pages
- Additional port
- GnuspeechSA is a multi-platform C++ command-line speech synthesizer. · mym.eng.br, 12 Oct 2026
- Commercial use
- Yes · gnu.org, 20 Sept 2026
- Concurrency
- The page reports that GnuspeechSA uses only one thread. · mym.eng.br, 12 Oct 2026
- Documentation
- The page links a Monet manual and a TRAcT manual. · mym.eng.br, 12 Oct 2026
- Founded
- 1990 · gnu.org, 10 Oct 2026
- Free plan
- Yes · gnu.org, 20 Sept 2026
- Integrations
- The page describes a command-line synthesizer and does not list third-party integrations. · mym.eng.br, 12 Oct 2026
- License
- The page lists the license as GNU GPLv3-or-later. · mym.eng.br, 12 Oct 2026
- Linux support
- GnuspeechSA is a standalone command-line synthesizer tested on Linux x86_64. · mym.eng.br, 12 Oct 2026
- macOS port
- The OS X port includes the synthesizer and graphical user interface tools. · mym.eng.br, 12 Oct 2026
- Platforms
- macos,linux · gnu.org, 20 Sept 2026
- Purpose
- Gnuspeech is an articulatory speech synthesizer. · mym.eng.br, 12 Oct 2026
- Security
- The page does not state security or compliance certifications. · mym.eng.br, 12 Oct 2026
- Support
- The page links to source code repositories and manuals; it does not state a support service. · mym.eng.br, 12 Oct 2026
- Synthesis method
- The page describes Gnuspeech as a text-to-speech system based on a vocal tract model. · mym.eng.br, 12 Oct 2026
- Voice examples
- The page links English synthesis examples for male, female, large-child, small-child, and baby voices. · mym.eng.br, 12 Oct 2026
Where Gnuspeech stands on Freedom251
- Text-to-Speech Software#55 of 217