--- title: "open-speech-corpora vs dc_tts" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/coqui-ai-open-speech-corpora-vs-kyubyong-dc-tts" tools: ["coqui-ai-open-speech-corpora", "kyubyong-dc-tts"] --- # open-speech-corpora vs dc_tts *GraphCanon updated Jul 30, 2026* ## Verdict Pick open-speech-corpora if open-Speech-Corpora indexes diverse speech datasets critical for ASR and TTS projects in various languages; pick dc_tts if dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies. [open-speech-corpora](https://github.com/coqui-ai/open-speech-corpora) reports 1.4k GitHub stars, 151 forks, and 169 open issues, last pushed Jun 6, 2024. [dc_tts](https://github.com/Kyubyong/dc_tts) has 1.2k stars, 360 forks, and 68 open issues, last pushed Apr 14, 2023. Figures are from public GitHub metadata via [open-speech-corpora's repository](https://github.com/coqui-ai/open-speech-corpora) and [dc_tts's repository](https://github.com/Kyubyong/dc_tts). | | [open-speech-corpora](/tools/coqui-ai-open-speech-corpora.md) | [dc_tts](/tools/kyubyong-dc-tts.md) | | --- | --- | --- | | Tagline | A list of accessible speech corpora for ASR, TTS, and other Speech Technologies | A TensorFlow Implementation of DC-TTS | | Stars | 1,398 | 1,156 | | Forks | 151 | 360 | | Open issues | 169 | 68 | | Language | - | Python | | Adopt for | Open-Speech-Corpora indexes diverse speech datasets critical for ASR and TTS projects in various languages. | dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies. | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [open-speech-corpora](/tools/coqui-ai-open-speech-corpora.md) | [dc_tts](/tools/kyubyong-dc-tts.md) | | --- | --- | --- | | Days since push | 783d | 1203d | | Open issues (now) | 169 | 68 | | Owner type | Organization | User | | Full report | [trust report](/tools/coqui-ai-open-speech-corpora/trust.md) | [trust report](/tools/kyubyong-dc-tts/trust.md) | ## Decision facts: open-speech-corpora - **Adopt for:** Open-Speech-Corpora indexes diverse speech datasets critical for ASR and TTS projects in various languages. ## Decision facts: dc_tts - **Requirements:** Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy. - **Adopt for:** dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies. ## Choose when ### Choose open-speech-corpora if… - License: open-speech-corpora is MIT, dc_tts is Apache-2.0. - Tags unique to open-speech-corpora: speech-emotion-recognition, speech-processing, speech-recognition, speech-separation. - You are working on projects requiring specific language corpora like Amharic, Hausa, or Wolof. ### Choose dc_tts if… - License: dc_tts is Apache-2.0, open-speech-corpora is MIT. - Requirements: Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy.. - Tags unique to dc_tts: speech, tensorflow, tts. - dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies. ## When NOT to use open-speech-corpora - You exclusively need data for voice cloning with a high number of speakers. - If your focus is on specialized voice emotion recognition datasets not covered in the repository. ## When NOT to use dc_tts - Last GitHub push was 1229 days ago (dormant maintenance, Apr 14, 2023). Validate activity before betting a new project on dc_tts. ## Common questions ### What is the difference between open-speech-corpora and dc_tts? open-speech-corpora: A list of accessible speech corpora for ASR, TTS, and other Speech Technologies. dc_tts: A TensorFlow Implementation of DC-TTS. See the comparison table for live GitHub stats and shared categories. ### When should I choose open-speech-corpora over dc_tts? Choose open-speech-corpora over dc_tts when License: open-speech-corpora is MIT, dc_tts is Apache-2.0; Tags unique to open-speech-corpora: speech-emotion-recognition, speech-processing, speech-recognition, speech-separation; You are working on projects requiring specific language corpora like Amharic, Hausa, or Wolof. ### When should I choose dc_tts over open-speech-corpora? Choose dc_tts over open-speech-corpora when License: dc_tts is Apache-2.0, open-speech-corpora is MIT; Requirements: Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy.; Tags unique to dc_tts: speech, tensorflow, tts; dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies. ### When should I avoid open-speech-corpora? You exclusively need data for voice cloning with a high number of speakers. If your focus is on specialized voice emotion recognition datasets not covered in the repository. ### When should I avoid dc_tts? Last GitHub push was 1229 days ago (dormant maintenance, Apr 14, 2023). Validate activity before betting a new project on dc_tts. ### Is open-speech-corpora or dc_tts more popular on GitHub? open-speech-corpora has more GitHub stars (1,398 vs 1,156). Stars measure visibility, not whether either tool fits your constraints. ### Are open-speech-corpora and dc_tts open source? Yes - both are open-source projects on GitHub (open-speech-corpora: MIT, dc_tts: Apache-2.0). ### Where can I find alternatives to open-speech-corpora or dc_tts? GraphCanon lists graph-backed alternatives at [open-speech-corpora alternatives](/tools/coqui-ai-open-speech-corpora/alternatives) and [dc_tts alternatives](/tools/kyubyong-dc-tts/alternatives) ([open-speech-corpora markdown twin](/tools/coqui-ai-open-speech-corpora/alternatives.md), [dc_tts markdown twin](/tools/kyubyong-dc-tts/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/coqui-ai-open-speech-corpora-vs-kyubyong-dc-tts.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, open-speech-corpora or dc_tts? open-speech-corpora: Dormant. dc_tts: 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 open-speech-corpora and dc_tts? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [open-speech-corpora trust report](/tools/coqui-ai-open-speech-corpora/trust); [dc_tts trust report](/tools/kyubyong-dc-tts/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=coqui-ai-open-speech-corpora`](/api/graphcanon/graph?tool=coqui-ai-open-speech-corpora) - 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/_