Piper
Fast local text to speech that runs well on small computers such as a Raspberry Pi.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
- GitHub stars
- 5.7k
- Deployment
- Library
Open-source alternatives to Amazon Polly
Amazon Polly in the AI category. These are the open alternatives we recommend looking at.
Kokoro-82M
Very small text-to-speech model that produces natural speech and runs on an ordinary computer. Based on yl4579/StyleTTS2-LJSpeech.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
Dia-1.6B
Text-to-speech model from Nari Labs that generates multi-speaker dialogue from a script.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
VibeVoice-1.5B
Text-to-speech model from Microsoft for long multi-speaker conversations, such as podcasts.
MITPermissive
SaaS: YesClosed product: Yes
- Deployment
- transformers
csm-1b
Speech model from Sesame that generates speech from text and conversational context.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
- Deployment
- transformers
chatterbox
Text-to-speech model from Resemble AI with voice cloning and adjustable expressiveness. The model card lists Swedish support.
MITPermissive
SaaS: YesClosed product: Yes
- Deployment
- chatterbox
piper-voices
Collection of ready-made voices for the Piper text-to-speech engine, in many languages. The model card lists Swedish support.
MITPermissive
SaaS: YesClosed product: Yes
This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.
Sign in for more
- Full licence analysis per use case (self-hosting, modifying, hosted service, AI use)
- Save products to your own lists
- Systemkarta: map the tools you already use (coming soon)
- Personal help and AI advice (coming soon)