If you're looking for a Nabu Casa alternative, there are a few other options worth a look.
One is Resemble, an AI voice generation service that offers text-to-speech and speech-to-speech conversion with features like watermarked audio and deepfake audio detection to try to prevent abuse. It offers hyper-realistic AI voices and supports multiple languages, and it can be used in a variety of situations, including customer service and games. The service is highly customizable with integration options like Python, NodeJS and REST API so it can be easily integrated with existing systems.
Another possible alternative is Acapela Group. The company offers personalized text-to-speech (TTS) services in more than 30 languages and 200 voices, using neural networks and deep learning technology. It offers features like support for multiple languages, custom voices and vocal expressions. That makes it good for use cases like accessibility, customer service and education. The company offers SDKs and APIs for integration with different systems.
If you need high-quality text-to-speech with lots of customization, ElevenLabs could be a good option. It offers realistic voices in 29 languages and more than 120 voices, which can be useful for content creation, gaming and chatbot needs. The service offers natural text-to-speech, voice cloning and fine tuning, and offers free and paid options.
Also worth a look is PlayHT, an AI-powered text-to-speech service with a library of more than 600 ultra-realistic AI voices and support for multiple languages and accents. It offers features like custom pronunciations, voice inflections and real-time voice cloning, and it can be used for video voiceovers, audio publishing and conversational AI. The company places a priority on ethics and safety, offering a free version and detailed support resources.