Free Voice & Speech AI Tools

Sayscroll is a browser-based AI teleprompter that uses real-time speech recognition to automatically scroll and keep your script aligned with your voice, supporting 60+ languages and a built-in video recorder.

NobodyWho is an open-source, on-device inference library and SDK that runs text, vision, and speech models (LLM, STT, TTS) locally across platforms, emphasizing performance, privacy, and offline use.

Xobot is a self-service AI voice bot platform that automates voice interactions for scheduling, lead generation, information collection, and FAQs, with analytics and integrations for businesses across industries.

Cygentive provides custom AI-powered inbound and outbound voice agents that operate 24/7 to automate customer support, appointment booking, lead qualification, e-commerce order tasks, and deep integrations with existing business systems and CRMs.

PreCallAI is a developer-first, production voice agent platform that orchestrates streaming STT → LLM → TTS call pipelines while letting customers bring their own provider keys and pay flat monthly plans (no per-minute billing).

Vapify is a white-label voice AI platform for agencies that lets teams brand, deploy, and manage voice AI agents for clients using a no-code builder, centralized dashboard, and billing tools.

Autocalls.ai is an enterprise-grade voice AI platform that builds and deploys AI voice agents to automate inbound and outbound phone calls (and WhatsApp) — supporting 100+ languages, 300+ integrations, international phone numbers and compliance with ISO/GDPR/HIPAA.

Notevibes is a browser-based AI voice generator that converts text into studio-quality speech using multiple neural engines, offering 550+ realistic voices across 72 languages, emotion/tone controls, and export to MP3/WAV/OGG for creators, podcasters, narrators, and teams.

Callin.io is an enterprise-focused white-label AI voice platform that provides ultra-low latency voice AI (Neuron 1.0) and autonomous AI agents for industry-specific conversational automation, built for rapid deployment and enterprise security.

Synthflow is an enterprise-grade, end-to-end Voice AI platform that designs, deploys, and operates AI voice agents for inbound and outbound phone automation, combining a visual flow builder, in-house telephony, testing and monitoring, and deep integrations for B2B use cases.

Bland is an enterprise voice AI platform that builds, runs, and monitors production phone agents for regulated industries (healthcare, insurance, financial services, logistics), running on customer-controlled infrastructure and designed for high-security, high-stakes phone calls.

VIVE Eagle is a lightweight AI-enabled smart glasses product from VIVE that offers on-device and cloud-powered features including real-time transcription (VIVE AI Notes), multi-language image translation, an integrated smart assistant (VIVE AI Plus), spatial open-ear audio, POV photo/video capture, and privacy protections such as AES-256 encryption and ISO certifications.

Relyable is a simulation and monitoring platform for AI voice agents that generates realistic test conversations, evaluates every call against customizable rubrics, and monitors live production calls with real-time alerts to help teams ship high-performing voice agents faster.

Spokenly is an AI-powered, privacy-first dictation app that converts speech to text system-wide on Mac, Windows, Linux and iPhone, offering offline local models (Whisper & Parakeet), cloud model support via user-provided API keys, multilingual recognition, and real-time AI text processing.

Vogent Voicelab is a public-beta, high-quality text-to-speech platform and API that hosts state-of-the-art voice models (e.g., Sesame CSM-1B, Dia, Chatterbox, Orpheus), offering ultra-fast real-time inference, zero-shot voice cloning, hosted fine-tuning, and scalable deployment (including on-prem/VPC) for developers and enterprises.

Deepgram provides enterprise Voice AI APIs — real-time and batch speech-to-text (STT), text-to-speech (TTS), audio intelligence, and unified Voice Agent capabilities (including LLM orchestration) for developers, platforms, and enterprises.

AI speaker is a free online text-to-speech tool that converts text into human-like, emotionally expressive audio in many languages, with web and client apps for exporting MP3, subtitles and video assets.

Murf AI is an end-to-end AI voice platform providing production-grade text-to-speech APIs (Murf Falcon), a Studio for fast voiceover creation, and AI dubbing and agent solutions to build scalable conversational voice agents and localized audio content.

Speechify is a cross-platform Voice AI productivity assistant that provides text-to-speech, AI voice generation, voice typing (dictation), voice cloning, dubbing, and developer APIs to read, write, summarize, and create audio content across web, desktop, and mobile devices.

ELSA Speak is an AI-powered English speaking coach (mobile app and B2B/Schools offerings) that provides personalized lessons, real-time pronunciation feedback, role-play conversations, and progress tracking to help learners improve fluency and confidence.