Open Source Voice Assistant

Open Voice OS is an open-source, community-driven voice AI platform for building customizable assistants across Raspberry Pi, embedded devices, Linux desktops, and Docker. It provides plugin-based STT/TTS, configurable wake words, extensible skills, and privacy-focused self-hosting.

Voice.ai offers cloud‑and on‑prem AI voice agents for calls, scheduling, and queries, supporting 15+ languages. It provides text‑to‑speech, 10‑second voice cloning, real‑time voice change, noise filtering, and integrates with Salesforce, HubSpot, Zendesk, Slack. APIs and SDKs enable scalable deploym

Voicebox is an open-source desktop app for voice cloning and TTS that clones voices from short samples, supports WAV/MP3/FLAC/WEBM and mic capture, multi-voice timeline editing with effects, local or remote GPU inference, Whisper STT, and API integration.

Claude is an advanced AI assistant designed for a variety of tasks, including code generation, writing, productivity enhancement, and business automation. It is highly adaptable, intelligent, and customizable to meet diverse user needs.

DeepSeek-V3 is an advanced AI model offering leading performance in open source LLM, enhanced speed, and global language support. It sets new benchmarks for inference speed among open-source models.

Gemini is an AI assistant and chatbot provided by google based on Gemini LLM family. It provides access to Google's advanced AI systems with many features and integrations to help you with daily workflows and tasks."

Voqal lets developers control IDEs, generate code, and run tasks with natural voice, no wake word. It offers edit mode, debug commands, live context data, and customizable AI back‑ends across IDEs and languages for hands‑free coding.

Deepgram Voice AI offers real‑time and batch speech‑to‑text, text‑to‑speech, and voice‑agent APIs. It delivers low‑latency transcripts, natural‑sounding synthesis, and integrated conversation handling for contact centers, transcription, and podcasts, with cloud, on‑prem, and telephony support.

ownAI lets users build, host, and deploy custom AI assistants without coding. Create assistants for personal tasks, marketing, or support, with data hosted on your domain. Import knowledge bases, run models locally, and access open‑source code on GitHub.

Duck.ai offers anonymous access to popular AI models. It ensures privacy by keeping conversations untracked and outside AI training data, with seamless model switching.

ElevenCreative is an AI tool that generates ultra-realistic speech, videos, music, and sound effects, offering text-to-speech, voice cloning, and a library of pre-recorded voices for creating personalized content for various applications.

Free text‑to‑speech platform supporting advanced AI models. Offers real‑time, natural‑sounding voice with emotion, multi‑language, and voice‑cloning. Users adjust pitch, speed, and parameters. API integration for podcasts, audiobooks, assistants, e‑learning, accessibility.

Genspark unifies inbox, workflows, and collaboration into one AI workspace, offering a 1‑million‑token context window, voice‑to‑text, auto‑meeting notes, and Chrome extensions for instant summarization and task automation across WhatsApp, Slack, and Teams.

SoundHound AI is a conversational voice AI platform that provides voice assistants, developer tools, and enterprise AI agents capable of listening, reasoning, and acting. It enables custom voice experiences across industries like automotive, restaurants, and contact centers, with features including

11 ai is a voice assistant using ElevenLabs Agents that enables voice-driven task management, customer research, ticket updates, and team messaging via integrations with Perplexity, Linear, and Slack, supporting private MCP servers and fast voice cloning across 5,000+ voices.

A web‑based Microsoft AI TTS tool offering 330+ neural voices in 129 languages. Users can adjust rate, pitch, pauses, and style for news, scripts, or narration. Works across Chrome, Firefox, Edge, with an API for web integration.

OpenClaw is a personal AI assistant that automates email, calendar, task and chat workflows—clearing inboxes, composing and sending messages, scheduling events, checking reservations, integrating chats and cloud services, with persistent memory, background jobs and developer-friendly self-hosting an

OpenAssistantGPT is an open‑source SaaS that lets you build no‑code AI chatbots for websites. It auto‑crawls a URL, supports GPT‑4/3.5, handles file attachments, SAML/SSO, API calls, and web search, with GitHub source and Vercel SDK.

Dograh is an open-source VAPI alternative for building self-deployed AI voice agents, offering a no-code drag-and-drop builder, telephony and multilingual (30+) support, voice customization, advanced NLP with intent handling, intelligent human routing, and real-time analytics.

Uberduck generates synthetic voices, text‑to‑speech, and AI music in 70+ languages. It supports voice conversion, cloning, and singing, with developer APIs and built‑in music creation for narration, branding, and marketing.

Qwen Chat AI assistant that provides access to Qwen LLM models and can be used by content creators, developers, and researchers, offering web and image searches, artifact management, and more to enhance productivity.

AIChatOne is a browser extension and web app that lets users chat with 30+ AI models (GPT‑5, Claude, Gemini, etc.), with real‑time browsing, document upload, voice interaction, encrypted local keys, and searchable chat history.

Curious Thing AI offers customizable voice assistants Lucy and Sam for businesses. These assistants simplify communication, gather leads, manage calls, and provide multilingual support, resulting in enhanced customer service.

Voice AI platform that builds conversational agents in five clicks, automating support, sales, and billing calls. It integrates natively with CRMs and databases for real‑time actions, supports multi‑OS softphones, and records transcriptions for audits.

Kimi.ai provides free access to the K3 is a multi-modal AI model. It excels in reasoning tasks, supports large context windows, and integrates text and vision data, making it suitable for developers seeking robust AI solutions with enterprise security.

Openwhispr is an open-source AI voice dictation tool that converts speech to text locally, ensuring privacy. It features instant transcription, customizable settings, and API integration, enhancing productivity for coding, writing, and brainstorming across various applications.

OpenCraft AI is a secure, multi‑model copilot that unifies GPT‑4, Claude, and Gemini. It preserves context across model switches, keeps uploaded files accessible, auto‑formats chats into reports or decks, and generates images with consistent voice tone for streamlined workflows.

Kokoro Web is an open-source AI voice generator offering multilingual text-to-speech capabilities with customizable accents. It features user-defined input profiles, self-hosting options, and model quantization for optimized performance, catering to developers and content creators.

Voicemaker is a cloud‑based text‑to‑speech platform offering 1,500+ AI voices in 130+ languages. It lets users adjust pitch, speed, pauses, add effects, clone voices with a minute of audio, and export to MP3, WAV, OGG, AAC, or OPUS.

SpeechGen.io converts up to 2 million characters into high‑quality neural‑voice audio across 150 languages with 5,000 models. It allows voice, speed, pitch, volume control, SSML tags, background music, multi‑speaker tagging, downloadable formats, and a REST API.

LiveKit is an open-source framework and cloud platform for building and hosting low-latency real-time voice, video and physical AI agents, offering a media server, WebRTC SDKs, TTS/STT and telephony connectors, scalable hosting and programmatic APIs.

Superwhisper converts spoken language into polished text for any app, works offline, supports 100+ languages with English translation, offers customizable tone and formatting, includes AI meeting assistant, and allows video/audio transcription with GPT/Claude/Llama models.

Hume AI offers emotion‑intelligent text‑to‑speech, real‑time speech‑to‑speech, and expressive voice cloning across 100+ languages. Developers use TypeScript, Python, .NET, or Swift SDKs to build voice‑design, stage‑direction, and emotion‑analysis features for content creation.

ZeroBot lets users create role‑specific AI agents with custom voice, avatar, and behavior, supporting GPT‑5, Gemini, Claude, Llama, and Qwen. It offers actions, connectors, web search, image generation, and human‑backed verification for secure, versatile use.

Alan AI is a cloud‑based platform that builds adaptive voice assistants via lightweight SDKs. It auto‑generates code for API calls, supports knowledge‑base imports, offers a visual workflow builder, and provides enterprise‑grade deployment options with multi‑model flexibility.

AnySpeech.io is an AI voice studio offering 100+ multilingual, style-controlled voices for content creation. It generates export-ready audio for videos, podcasts, and e-learning to save production time and ensure consistent quality.

Voicy.AI automates customer interactions for offline commerce, handling calls, texts, chat, and voice in real time. It integrates with POS and booking systems, supports SMS/Facebook Messenger, and scales personalized communication while lowering engagement costs.

Voiceflow enables teams to create, test, and deploy AI‑powered conversational agents across chat, voice, phone, and web without coding. Its visual editor, real‑time collaboration, and secure deployment pipelines streamline design, evaluation, and omnichannel rollout.

YesChat.ai unifies chat, music, video, and image generation in a browser platform, offering DeepSeek‑R1, GPT‑4o, and Claude 3.5 Sonnet for conversation, royalty‑free music from text, text‑to‑video, and image creation. It supports languages and customizable bots for research and marketing.

1minAI unifies text, image, audio, and video AI tools in one interface, supporting GPT‑4, Gemini, Claude, and Mistral. It offers generation, editing, translation, and API integration while keeping data private.

Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.

Whisp converts spoken requirements into production-ready web apps, generating frontend, backend, database schemas, authentication, and integrations with live previews. Voice-driven iteration and code export let teams build, refine, and deploy prototypes or SaaS products.

Applio is an open-source AI voice cloning tool featuring over 26,000 models, multi-language support, and cross-platform compatibility. Its user-friendly interface and modular codebase cater to both novice and experienced users interested in advanced audio technology.

ParakeetAI delivers real‑time interview answers, integrating with Zoom, Google Meet, Teams, HackerRank, and LeetCode. It transcribes spoken questions, generates responses via GPT‑5, GPT‑4.1 or Claude 4, records shared screens, logs notes, and supports multiple languages and mobile access.

The Speak AI tool is a language data analysis and research platform with transcription, data analysis, and sentiment analysis capabilities for various types of media.

Speechify converts PDFs, DOCX, EPUB, web pages, and more into natural‑sounding audio on iOS, Android, macOS, Windows, and Chrome. It offers an AI assistant that summarizes documents while you listen, supports voice typing, and allows offline access.

Discuss offers real‑time voice AI tutoring across 30 languages, letting students and educators explore business, history, science, and more without sign‑ups. Sessions generate AI Agent Summary Analysis for review, with continual updates and free nonprofit use.

NaturalReader AI converts PDFs, Word, ePub, web pages, and OCR text into natural‑sounding audio in 90+ languages. It supports voice cloning, offline playback, mobile and Chrome extension access, and includes captions and dyslexia‑friendly fonts.

PlayAI turns text into natural‑sounding audio in 42+ languages using 800+ voices. Users adjust pitch, rate, volume, add SSML pronunciations, support multi‑speaker real‑time synthesis, voice cloning, and API integration for chatbots, streaming, IVR, e‑learning.

Dasha is an AI-as-a-service platform that enables developers to build realistic voice and text conversations for apps and products using Dashascript.