If you're looking for a TTSReader alternative, Textalky is definitely worth a look. It's got more than 140 languages and accents, a library of more than 900 realistic voices, and a relatively simple interface. It's geared for content creators, teachers and businesses, and offers a range of pricing tiers including lifetime licenses that can be adapted to your needs and budget.
Another good option is BeyondWords. The service converts written content into engaging audio with a full audio content management system. It can handle a wide variety of content formats, and it's got more-advanced voice technology, voice cloning and lots of options for customization. It's good for boosting engagement and monetizing audio content.
If you're on a tighter budget, ElevenLabs has high-quality voices in 29 languages and more than 120 voices. It's geared for content creation, games and chatbots, and has voice cloning and fine-tuning abilities. A free tier and relatively cheap paid tiers make it a good TTSReader alternative.
Last, SpeechGen offers a range of AI-generated voices and supports more than 150 languages and accents. You can create voiceovers online, and it's got a multi-voice editor and the ability to convert SRT to audio. Its tiered pricing and ability to handle long passages of text make it a good option for video creators and teachers.