--- title: "marytts vs EmotiVoice" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/marytts-marytts-vs-netease-youdao-emotivoice" tools: ["marytts-marytts", "netease-youdao-emotivoice"] --- # marytts vs EmotiVoice *GraphCanon updated Jul 29, 2026* ## Verdict Pick marytts if open-source Java multilingual TTS system for generating spoken output from text; pick EmotiVoice if emotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. [marytts](https://marytts.github.io/) reports 2.6k GitHub stars, 770 forks, and 134 open issues, last pushed Jan 17, 2025. [EmotiVoice](https://github.com/netease-youdao/EmotiVoice) has 8.5k stars, 754 forks, and 137 open issues, last pushed Aug 13, 2024. Figures are from public GitHub metadata via [marytts's repository](https://github.com/marytts/marytts) and [EmotiVoice's repository](https://github.com/netease-youdao/EmotiVoice). | | [marytts](/tools/marytts-marytts.md) | [EmotiVoice](/tools/netease-youdao-emotivoice.md) | | --- | --- | --- | | Tagline | An open-source multilingual text-to-speech synthesis system written in pure Java | A Multi-Voice and Prompt-Controlled TTS Engine | | Stars | 2,582 | 8,501 | | Forks | 770 | 754 | | Open issues | 134 | 137 | | Language | Java | Python | | Adopt for | Open-source Java multilingual TTS system for generating spoken output from text. | EmotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. | | Persona | - | - | | Runtime | - | - | | License | Other | Apache-2.0 | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [marytts](/tools/marytts-marytts.md) | [EmotiVoice](/tools/netease-youdao-emotivoice.md) | | --- | --- | --- | | Days since push | 557d | 714d | | Open issues (now) | 134 | 137 | | Owner type | Organization | User | | Full report | [trust report](/tools/marytts-marytts/trust.md) | [trust report](/tools/netease-youdao-emotivoice/trust.md) | ## Shared compatibility - **Python**: [marytts](/tools/marytts-marytts.md) - Python runtime; [EmotiVoice](/tools/netease-youdao-emotivoice.md) - Python runtime ## Decision facts: marytts - **Adopt for:** Open-source Java multilingual TTS system for generating spoken output from text. ## Decision facts: EmotiVoice - **Adopt for:** EmotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. ## Choose when ### Choose marytts if… - marytts is primarily Java; EmotiVoice is Python. - License: marytts is Other, EmotiVoice is Apache-2.0. - Tags unique to marytts: java, text-to-speech, tts. - When you need a pure Java-based solution for integrating TTS in your software projects. ### Choose EmotiVoice if… - EmotiVoice is primarily Python; marytts is Java. - License: EmotiVoice is Apache-2.0, marytts is Other. - Tags unique to EmotiVoice: ai, deep-learning, emotion, multispeaker. - EmotiVoice ships Docker support for self-hosted deployment. - When you need a TTS solution capable of handling multiple speaker voices in a single project ## When NOT to use marytts - If real-time performance is critical, as MaryTTS may not be optimized for such use-cases. - When looking for a cloud-hosted service, as MaryTTS requires local deployment. ## When NOT to use EmotiVoice - For setups without access to an NVidia GPU, as EmotiVoice requires one for running its Docker image - When deploying applications that have strict latency requirements and cannot accommodate the startup time of a Docker container or the processing demands of GPU computations ## Common questions ### What is the difference between marytts and EmotiVoice? marytts: An open-source multilingual text-to-speech synthesis system written in pure Java. EmotiVoice: A Multi-Voice and Prompt-Controlled TTS Engine. See the comparison table for live GitHub stats and shared categories. ### When should I choose marytts over EmotiVoice? Choose marytts over EmotiVoice when marytts is primarily Java; EmotiVoice is Python; License: marytts is Other, EmotiVoice is Apache-2.0; Tags unique to marytts: java, text-to-speech, tts; When you need a pure Java-based solution for integrating TTS in your software projects. ### When should I choose EmotiVoice over marytts? Choose EmotiVoice over marytts when EmotiVoice is primarily Python; marytts is Java; License: EmotiVoice is Apache-2.0, marytts is Other; Tags unique to EmotiVoice: ai, deep-learning, emotion, multispeaker; EmotiVoice ships Docker support for self-hosted deployment; When you need a TTS solution capable of handling multiple speaker voices in a single project. ### When should I avoid marytts? If real-time performance is critical, as MaryTTS may not be optimized for such use-cases. When looking for a cloud-hosted service, as MaryTTS requires local deployment. ### When should I avoid EmotiVoice? For setups without access to an NVidia GPU, as EmotiVoice requires one for running its Docker image When deploying applications that have strict latency requirements and cannot accommodate the startup time of a Docker container or the processing demands of GPU computations ### Is marytts or EmotiVoice more popular on GitHub? EmotiVoice has more GitHub stars (8,501 vs 2,582). Stars measure visibility, not whether either tool fits your constraints. ### Are marytts and EmotiVoice open source? Yes - both are open-source projects on GitHub (marytts: Other, EmotiVoice: Apache-2.0). ### Where can I find alternatives to marytts or EmotiVoice? GraphCanon lists graph-backed alternatives at [marytts alternatives](/tools/marytts-marytts/alternatives) and [EmotiVoice alternatives](/tools/netease-youdao-emotivoice/alternatives) ([marytts markdown twin](/tools/marytts-marytts/alternatives.md), [EmotiVoice markdown twin](/tools/netease-youdao-emotivoice/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/marytts-marytts-vs-netease-youdao-emotivoice.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, marytts or EmotiVoice? marytts: Dormant. EmotiVoice: 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 marytts and EmotiVoice? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [marytts trust report](/tools/marytts-marytts/trust); [EmotiVoice trust report](/tools/netease-youdao-emotivoice/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=marytts-marytts`](/api/graphcanon/graph?tool=marytts-marytts) - 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/_