If you're looking for another ESTsoft alternative, ElevenLabs is definitely worth a look. Its AI text-to-speech software has a wide range of high-quality, realistic voices in 29 languages, and it's good for content creation, games, audiobooks and chatbots. With options to clone voices, fine-tune them and offer a free plan, it's a good option for anyone who wants to beef up their audio.
Another good alternative is Acoust, which uses large language models to generate very realistic AI voices. It can use more than 200 voices in more than 30 languages and offers controls and emotions you can customize, voice cloning and speech-to-text transcription. It's good for social media, e-learning and professional broadcasting, and has flexible pricing and a focus on user privacy.
If you want to generate very realistic voices, PlayHT has a library of more than 600 AI voices. It offers custom pronunciation, real-time voice cloning and an API for integration, so it's good for video voiceovers, audio publishing and conversational AI. The company has a focus on ethics and safety, with a free version and extensive support documentation.
Last, Character.AI offers a personalized AI interaction service that can simulate human conversation. You can chat with AI personas that can hear, understand and remember what you're saying, which is good for customer service, entertainment and social interaction. It's a good option for anyone who wants a more sophisticated and engaging chatbot.