Dia TTS is an open-source, Apache-2.0 text-to-speech model designed for realistic multi-speaker dialogues with voice cloning, emotional control, and non-verbal sound generation.

Audie is an AI audiobook maker that transforms manuscripts into professional-quality audiobooks using premium neural voices and voice cloning, designed for authors who want fast, affordable production and outputs ready for publishing platforms like Audible and Amazon.

FlowSpeech is an AI-powered, context-aware text-to-speech studio that generates lifelike, emotion-aware voice audio with fine-grained pause and accent controls and multi-speaker casting for professional audio production.

Call-an-AI provides phone-callable conversational AI bots (24/7) for personal and business use — pay-as-you-go voice AI at 15¢/minute with calls under 4 minutes free, plus options to customize and build your own bot.

NiceVoice is a free web-based AI voice cloning tool that creates high-quality synthetic voices from 5–30 seconds of audio using neural networks. It offers a three-step workflow (upload sample, AI clone, generate & download), supports English and Chinese, and emphasizes speed, accuracy, and data encryption.

Speech to Note is a cross-platform voice-to-text note-taking app (desktop, mobile, web) that records, transcribes, summarizes, and organizes spoken content using advanced AI models to produce editable notes in 100+ languages.

Speechify is a cross-platform text-to-speech and AI voice cloning platform that lets users create high-quality synthetic voices from short voice samples, generate speech from text, and integrate via API for content creation, accessibility, and enterprise use.

DupDub is an all-in-one AI-powered content creation platform for creators and businesses that offers AI writing, text-to-speech and voice cloning, AI avatars (talking photos), video editing, transcription, translation and localization across 90+ languages to streamline content production and distribution.

Bswan is a managed conversion infrastructure platform that uses AI voice and messaging funnels to activate new users, recover early churn, and increase lifetime value by running telephony, messaging, routing, tracking and continuous optimization for campaigns at scale.

LOVO (Genny) is an AI voice generation and video editing platform offering ultra-realistic text-to-speech, voice cloning, an online video editor, AI script writer and image generation — with 500+ voices in 100+ languages and an API for developers.

RambleFix is an AI-enhanced voice-to-text productivity tool that transcribes spoken words into polished emails, articles, summaries, meeting minutes and action plans, aimed at professionals who prefer speaking their thoughts.

TalkForce AI provides AI-powered voice/call agents that automate customer service conversations—handling routine inquiries, bookings, cancellations, and outbound calls—while integrating with existing systems and handing off to humans when needed.

SigmaMind AI (sigma-ai) is a voice AI platform that creates deployable voice agents for call centers to handle outbound and inbound campaigns—lead generation, debt collection, appointment setting, and customer support—integrating with existing dialers and CCaaS stacks.