voice assistant development platform - AI tools

Open Voice OS is an open-source voice AI platform that enables developers to create custom voice-controlled interfaces with privacy-focused features, NLP capabilities, and a customizable UI. It supports multiple platforms and devices, making it ideal for DIY smart speaker projects.

• Free

Open Voice OS is an open-source voice AI platform that enables developers to create custom voice-controlled interfaces with NLP capabilities, focusing on privacy, security, and multi-platform compatibility.

• Free

VoiceGPT is a specialized Android browser with voice capabilities that enhances accessibility to AI platforms like ChatGPT, Bing AI, and Bard through speech recognition and text-to-speech features, supporting 67+ languages.

• Freemium

Vagent is a tool that enables voice interaction with custom AI agents through a clean interface, requiring only a webhook integration and supporting 60+ languages.

• Free

Jarvis is an open-source, customizable voice assistant designed for home automation, offering multilingual support and seamless integration with various devices and plugins.

• Free

Home Assistant is an open-source home automation platform focused on local control and privacy. It integrates with thousands of devices, enabling powerful automations and customizable dashboards.

• Free

AgentVoice is an AI-powered platform providing voice agents to automate inbound and outbound calls for tasks like lead qualification, appointment booking, and customer support. It offers seamless integration and customizable workflows via a no-code interface.

• Paid
• From 20$

Deepgram provides APIs for speech-to-text, text-to-speech, and speech-to-speech voice agents, enabling developers to build voice AI products and features.

• Usage Based

Voxpow provides AI-powered speech-to-text conversion and voice control functionalities for websites, supporting over 100 languages through a lightweight JavaScript library.

• Free Trial
• From 21$

Voice Design AI is a sophisticated text-to-speech platform that uses artificial intelligence to create natural-sounding, expressive voices for various applications, supporting multiple languages and real-time processing.

• Freemium
• From 30$

Play.ai is a platform that offers voice-based interaction with AI agents, allowing users to engage in conversations and potentially clone voices.

• Freemium

Picovoice is a platform for building voice-enabled applications with on-device voice AI and local LLMs, ensuring privacy, low latency, and efficiency.

• Freemium

Serenade is an open-source voice assistant enabling developers to write code using natural speech, reducing reliance on typing and integrating with various development tools.

• Free

MetaVoice is re-architecting AI models (STT, TTS, LLMs) to create natural, reliable conversational voice experiences, aiming for plug-and-play voice AI solutions.

• Contact for Pricing

Voyp is an AI-powered voice assistant app that helps users make appointments, reservations, and phone calls through voice commands or text input. The app offers multiple language support, call recording, and calendar integration for seamless communication management.

• Freemium
• From 3$

Vapi provides a configurable API platform for developers to build and deploy voice AI agents for inbound and outbound call handling, scaling phone operations efficiently.

• Contact for Pricing

Cloudonix equips businesses and developers to create smart, flexible voice communications with built-in AI features, no-code tools, and seamless SIP integration. Ideal for call routing, IVR, in-app calling, and scalable voice experiences across platforms.

• Freemium
• From 49$

Funny Duck allows users to control their computer and IoT devices using voice commands via a mobile voice assistant. It offers high customizability for various tasks and integrates with microcontrollers like Raspberry Pi and Esp.

• Free

Fine Voicing is an AI-powered platform that enables users to create and test natural, task-driven voice conversations with multiple AI voice models.

• Contact for Pricing