{"data":{"slug":"espeak-ng-espeak-ng","name":"espeak-ng","tagline":"Open source speech synthesizer supporting more than hundred languages and accents","github_url":"https://github.com/espeak-ng/espeak-ng","owner":"espeak-ng","repo":"espeak-ng","owner_avatar_url":"https://avatars.githubusercontent.com/u/16214005?v=4","primary_language":"C","stars":6688,"forks":1263,"topics":["android","espeak","espeak-ng","speech-synthesis","text-to-speech"],"archived":false,"github_pushed_at":"2026-07-27T15:59:11+00:00","maintenance_label":"Very active","url":"https://www.graphcanon.com/tools/espeak-ng-espeak-ng","markdown_url":"https://www.graphcanon.com/tools/espeak-ng-espeak-ng.md","api_url":"https://www.graphcanon.com/api/graphcanon/tools/espeak-ng-espeak-ng","graph_url":"https://www.graphcanon.com/api/graphcanon/graph?tool=espeak-ng-espeak-ng","description":"eSpeak NG is an open source speech synthesizer that supports more than hundred languages and accents.","homepage_url":null,"license":"GPL-3.0","open_issues":594,"watchers":109,"ai_summary":"eSpeak NG is an open-source project for text-to-speech synthesis with support for over a hundred languages and accents.","readme_excerpt":"## License Information\n\neSpeak NG Text-to-Speech is released under the [GPL version 3](COPYING) or\nlater license.\n\nThe `getopt.c` compatibility implementation for getopt support on Windows is\ntaken from the NetBSD `getopt_long` implementation, which is licensed under a\n[2-clause BSD](COPYING.BSD2) license.\n\nAndroid is a trademark of Google LLC.","github_created_at":"2015-12-08T20:42:42+00:00","created_at":"2026-07-11T12:06:03.54691+00:00","updated_at":"2026-07-29T06:00:56.981507+00:00","categories":[{"slug":"speech-audio","name":"Speech & Audio","url":"https://www.graphcanon.com/categories/speech-audio","markdown_url":"https://www.graphcanon.com/categories/speech-audio.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/speech-audio"}],"tags":[{"slug":"android","name":"android"},{"slug":"espeak","name":"espeak"},{"slug":"espeak-ng","name":"espeak-ng"},{"slug":"speech-synthesis","name":"speech-synthesis"},{"slug":"text-to-speech","name":"text-to-speech"}],"trust":{"provenance":{"is_fork":false,"github_id":47648456,"owner_type":"Organization","methodology":"github_public_v1","parent_repo":null,"near_duplicate_slugs":[]},"computed_at":"2026-07-29T06:00:56.294Z","maintenance":{"label":"Very active","score":96,"methodology":"github_public_v1","releases_90d":0,"days_since_push":1,"last_release_at":"2024-12-12T13:47:27Z"},"security_summary":{"status":"no_lockfile","scanner":null,"low_count":0,"high_count":0,"last_scan_at":"2026-07-11T12:06:05.984Z","medium_count":0,"scan_profile":"none","critical_count":0}},"capability_facts":{"scan":{"source":"repo_scan","observed_at":"2026-07-29T06:00:56.734Z"},"languages":{"value":["c"],"source":"github.language","observed_at":"2026-07-29T06:00:56.734Z"},"license_spdx":{"value":"GPL-3.0","source":"github.license","observed_at":"2026-07-29T06:00:56.734Z"}},"decision_facts":{"hosting":null,"pricing":null,"requirements":null,"constraints":null,"when_to_use":["When multilingual support across over a hundred languages is required.","Suitable for projects needing open-source licensing, specifically GPL-3.0."],"when_not_to_use":["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."],"source":"enrich:decision_facts","observed_at":"2026-07-17T12:00:52.736Z"},"constraint_facets":null,"decision_summary":[{"label":"Adopt for","value":"eSpeak NG: Free text-to-speech engine with over a hundred languages and accents in C under GPL-3.0"}]}}