--- title: "espeak-ng vs MeloTTS" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/espeak-ng-espeak-ng-vs-myshell-ai-melotts" tools: ["espeak-ng-espeak-ng", "myshell-ai-melotts"] --- # espeak-ng vs MeloTTS *GraphCanon updated Jul 29, 2026* ## Verdict Pick espeak-ng if eSpeak NG: Free text-to-speech engine with over a hundred languages and accents in C under GPL-3.0; pick MeloTTS if meloTTS is an MIT-licensed Python library for high-quality multi-lingual text-to-speech, supporting English, Spanish, French, Chinese, Japanese and Korean. [espeak-ng](https://github.com/espeak-ng/espeak-ng) reports 6.7k GitHub stars, 1.3k forks, and 594 open issues, last pushed Jul 27, 2026. [MeloTTS](https://github.com/myshell-ai/MeloTTS) has 7.6k stars, 1.1k forks, and 232 open issues, last pushed Dec 24, 2024. Figures are from public GitHub metadata via [espeak-ng's repository](https://github.com/espeak-ng/espeak-ng) and [MeloTTS's repository](https://github.com/myshell-ai/MeloTTS). | | [espeak-ng](/tools/espeak-ng-espeak-ng.md) | [MeloTTS](/tools/myshell-ai-melotts.md) | | --- | --- | --- | | Tagline | Open source speech synthesizer supporting more than hundred languages and accents | High-quality multi-lingual text-to-speech library by MyShell.ai | | Stars | 6,688 | 7,551 | | Forks | 1,263 | 1,059 | | Open issues | 594 | 232 | | Language | C | Python | | Adopt for | eSpeak NG: Free text-to-speech engine with over a hundred languages and accents in C under GPL-3.0 | MeloTTS is an MIT-licensed Python library for high-quality multi-lingual text-to-speech, supporting English, Spanish, French, Chinese, Japanese and Korean. | | Persona | - | - | | Runtime | - | - | | License | GPL-3.0 | MIT | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [espeak-ng](/tools/espeak-ng-espeak-ng.md) | [MeloTTS](/tools/myshell-ai-melotts.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 1d | 581d | | Open issues (now) | 594 | 232 | | Full report | [trust report](/tools/espeak-ng-espeak-ng/trust.md) | [trust report](/tools/myshell-ai-melotts/trust.md) | ## Decision facts: espeak-ng - **Adopt for:** eSpeak NG: Free text-to-speech engine with over a hundred languages and accents in C under GPL-3.0 ## Decision facts: MeloTTS - **Adopt for:** MeloTTS is an MIT-licensed Python library for high-quality multi-lingual text-to-speech, supporting English, Spanish, French, Chinese, Japanese and Korean. ## Choose when ### Choose espeak-ng if… - espeak-ng is primarily C; MeloTTS is Python. - License: espeak-ng is GPL-3.0, MeloTTS is MIT. - Tags unique to espeak-ng: android, espeak, espeak-ng, speech-synthesis. - When multilingual support across over a hundred languages is required. ### Choose MeloTTS if… - MeloTTS is primarily Python; espeak-ng is C. - License: MeloTTS is MIT, espeak-ng is GPL-3.0. - Tags unique to MeloTTS: chinese, english, french, japanese. - MeloTTS ships Docker support for self-hosted deployment. - If your project requires support for a broad language range including less common languages like Japanese or Korean in a TTS solution. ## When NOT to use espeak-ng - Avoid if proprietary software development prohibits use of GPL-3.0 licensed tools. - Not ideal if fine-grain control and quality over diverse accents are more important than extensive language coverage. ## When NOT to use MeloTTS - If your application's required languages are not covered by MeloTTS, such as Arabic or Russian. - In situations where you need more customization options for TTS than what the library provides out-of-the-box. ## Common questions ### What is the difference between espeak-ng and MeloTTS? espeak-ng: Open source speech synthesizer supporting more than hundred languages and accents. MeloTTS: High-quality multi-lingual text-to-speech library by MyShell.ai. See the comparison table for live GitHub stats and shared categories. ### When should I choose espeak-ng over MeloTTS? Choose espeak-ng over MeloTTS when espeak-ng is primarily C; MeloTTS is Python; License: espeak-ng is GPL-3.0, MeloTTS is MIT; Tags unique to espeak-ng: android, espeak, espeak-ng, speech-synthesis; When multilingual support across over a hundred languages is required. ### When should I choose MeloTTS over espeak-ng? Choose MeloTTS over espeak-ng when MeloTTS is primarily Python; espeak-ng is C; License: MeloTTS is MIT, espeak-ng is GPL-3.0; Tags unique to MeloTTS: chinese, english, french, japanese; MeloTTS ships Docker support for self-hosted deployment; If your project requires support for a broad language range including less common languages like Japanese or Korean in a TTS solution. ### When should I avoid espeak-ng? Avoid if proprietary software development prohibits use of GPL-3.0 licensed tools. Not ideal if fine-grain control and quality over diverse accents are more important than extensive language coverage. ### When should I avoid MeloTTS? If your application's required languages are not covered by MeloTTS, such as Arabic or Russian. In situations where you need more customization options for TTS than what the library provides out-of-the-box. ### Is espeak-ng or MeloTTS more popular on GitHub? MeloTTS has more GitHub stars (7,551 vs 6,688). Stars measure visibility, not whether either tool fits your constraints. ### Are espeak-ng and MeloTTS open source? Yes - both are open-source projects on GitHub (espeak-ng: GPL-3.0, MeloTTS: MIT). ### Where can I find alternatives to espeak-ng or MeloTTS? GraphCanon lists graph-backed alternatives at [espeak-ng alternatives](/tools/espeak-ng-espeak-ng/alternatives) and [MeloTTS alternatives](/tools/myshell-ai-melotts/alternatives) ([espeak-ng markdown twin](/tools/espeak-ng-espeak-ng/alternatives.md), [MeloTTS markdown twin](/tools/myshell-ai-melotts/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/espeak-ng-espeak-ng-vs-myshell-ai-melotts.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, espeak-ng or MeloTTS? espeak-ng: Very active. MeloTTS: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for espeak-ng and MeloTTS? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [espeak-ng trust report](/tools/espeak-ng-espeak-ng/trust); [MeloTTS trust report](/tools/myshell-ai-melotts/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=espeak-ng-espeak-ng`](/api/graphcanon/graph?tool=espeak-ng-espeak-ng) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_