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- eSpeak NG
On the recordRead 15 Oct 202651 facts
eSpeak NG
eSpeak NG · founded 2015
Plans and prices
eSpeak NG
Free
Open-source engine · desktop and mobile ports · GPLv3+ engine license
Read 15 Oct 2026 · apps.apple.com
On the record
- Android app rating
- The Google Play listing shows 3.4 out of 5 stars from 1.67K reviews.play.google.com · read 15 Oct 2026
- API access
- Yesgithub.com · read 20 Sep 2026
- API compatibility
- The C API remains API and ABI compatible with eSpeak 1.48.15.github.com · read 15 Oct 2026
- Apple App Store rating
- The Apple App Store listing shows 4.0 out of 5 from 21 ratings.apps.apple.com · read 15 Oct 2026
- Audio and markup
- It can produce WAV output and supports SSML (not completely) and HTML.github.com · read 12 Oct 2026
- Audio output
- The software can generate speech as WAV audio files.github.com · read 15 Oct 2026
- Build requirement
- The 1.52 release notes say it is the last release supporting the Autoconf build system and instruct users to use CMake to compile eSpeak NG.github.com · read 12 Oct 2026
- Build requirements
- The current native build requires CMake 3.10 or later and a C99-capable compiler such as GCC or Clang.github.com · read 15 Oct 2026
- Command line
- Command-line programs speak text supplied as files or standard input on Linux and Windows.github.com · read 15 Oct 2026
- Commercial use
- Yesgithub.com · read 20 Sep 2026
- Compact footprint
- The executable, language data and many voices total only a few megabytes.github.com · read 15 Oct 2026
- Compatibility
- Its C API and ABI are compatible with eSpeak, while some voice, dictionary, and phoneme files are incompatible with eSpeak.github.com · read 12 Oct 2026
- Component licenses
- Fedora identifies GPL-3.0-only, GPL-3.0-or-later, Apache-2.0, BSD-2-Clause, Unicode-DFS-2016 and CC-BY-SA-3.0 components in the package.packages.fedoraproject.org · read 15 Oct 2026
- Debian interface
- The Debian man page documents speaking text, reading files or standard input, phoneme output and voice listing options.manpages.debian.org · read 15 Oct 2026
- Developer documentation
- Documentation includes user, building, contributor, language and voice-development guides plus C-library guidance.github.com · read 15 Oct 2026
- Export formats
- WAVgithub.com · read 20 Sep 2026
- Independent Android analysis
- AppRecs rates the Android listing 2.9 and reports a trustworthiness score of 86 out of 100 from its analyzed review sample.apprecs.com · read 15 Oct 2026
- Integration
- It is available as a command-line program, a shared library, and a Windows SAPI5 version for compatible screen readers and other programs.github.com · read 12 Oct 2026
