Best AI tools for< Voice Application Developer >
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20 - AI tool Sites

Happi.ai
Happi.ai is a virtual mental health coach application that provides 24/7 support for individuals dealing with anxiety, depression, and loneliness. The AI companion, Olivia, offers personalized assistance, compassionate listening, and non-judgmental support. The platform prioritizes user privacy with top-tier encryption and offers expert insights and proactive suggestions for emotional well-being. Happi analyzes facial expressions, voice patterns, and speech content to identify moments of stress and provide real-time feedback to manage stress and improve emotional health.

SpeakStruct
SpeakStruct is an AI-powered application that enables professionals, businesses, and developers to effortlessly convert voice input into structured formats using customizable templates. The platform leverages advanced AI and natural language processing to ensure high accuracy in voice transcription and data structuring, making it ideal for various industries such as sales & marketing, customer support, product & engineering, financial/mortgage advisors, and healthcare professionals. SpeakStruct's flexible template builder allows users to tailor the application to their specific needs, capturing voice input from any channel and transforming it into a consistent, structured format.

Fluid
Fluid is a private AI assistant designed for Mac users, specifically those with Apple Silicon and macOS 14 or later. It offers offline capabilities and is powered by the advanced Llama 3 AI by Meta. Fluid ensures unparalleled privacy by keeping all chats and data on the user's Mac, without the need to send sensitive information to third parties. The application features voice control, one-click installation, easy access, security by design, auto-updates, history mode, web search capabilities, context awareness, and memory storage. Users can interact with Fluid by typing or using voice commands, making it a versatile and user-friendly AI tool for various tasks.

Bibit AI
Bibit AI is a real estate marketing AI designed to enhance the efficiency and effectiveness of real estate marketing and sales. It can help create listings, descriptions, and property content, and offers a host of other features. Bibit AI is the world's first AI for Real Estate. We are transforming the real estate industry by boosting efficiency and simplifying tasks like listing creation and content generation.

Voice Air
Voice Air is an AI-powered Text to Speech Generator that allows users to create studio-quality audio and video content with advanced AI voices on web and mobile applications. It offers cutting-edge features to enhance content creation, such as human-like voiceovers, award-winning music library, and AI features for content scaling. Voice Air is used in 70+ countries, with 100,000+ downloads and is loved by 12,000+ content creators. The application aims to revolutionize content creation by providing high-quality, natural-sounding voices and innovative features.

Cerebium
Cerebium is a serverless AI infrastructure platform that allows teams to build, test, and deploy AI applications quickly and efficiently. With a focus on speed, performance, and cost optimization, Cerebium offers a range of features and tools to simplify the development and deployment of AI projects. The platform ensures high reliability, security, and compliance while providing real-time logging, cost tracking, and observability tools. Cerebium also offers GPU variety and effortless autoscaling to meet the diverse needs of developers and businesses.

Hume AI - Octave
Hume AI is an AI application that offers the Octave language model for text-to-speech (TTS) capabilities. It provides a voice-based LLM that understands words in context to predict emotions, cadence, and more. Users can create various AI voices with specific prompts and scripts, adjusting emotional delivery and speaking styles on command. The application aims to generate expressive AI voices for podcasts, voiceovers, audiobooks, and more, with total control over the voice output.

Altered Studio
Altered Studio is a Voice Content Creation platform that provides exclusive access to our unique Speech-To-Speech Voice Morphing and integrates various Voice AI technologies into a single user friendly application for media production.

Retell AI
Retell AI is a powerful voice agent platform that enables users to build, test, deploy, and monitor AI voice agents at scale. It offers features such as call transfer, appointment booking, IVR navigation, batch calling, and post-call analysis. Retell AI provides advantages like verified phone numbers, branded call ID, custom analysis, and case studies. However, some disadvantages include the need for initial setup by an engineer, ongoing maintenance, and potential concurrent call limitations. The application is suitable for various industries and use cases, with multilingual support and compliance with industry standards.

Crush
Crush is an AI companion chatbot application designed for NSFW play, offering users the opportunity to engage with virtual companions that have engaging backstories, impeccable memory, and incredible experiences. Whether users are seeking a flirt, fling, or roleplay partner, Crush's AI depth and personality aim to provide an immersive and satisfying experience. The application allows users to chat with AI girlfriends and chatbots, offering a range of interactions and experiences to suit individual preferences. Crush.to, the platform's website, provides users with a space to explore, create, and connect with virtual companions in a safe and engaging environment.

Alva Solutions
Alva Solutions is an AI-powered browser extension application that aims to simplify browsing experience by providing a range of AI browser extensions. The application offers diverse browser extensions such as Alva AI, Alva Network, and Snap AI, each designed to enhance productivity and streamline tasks. Users can benefit from features like AI-powered assistance, network insights, and voice recording capabilities. Alva Solutions prioritizes user privacy and data security, offering a safe environment with premium protection features. With a user-friendly interface and intuitive dashboard, users can easily manage and control their extensions. The application also fosters a community environment through various social media platforms, providing users with updates, tutorials, and engaging discussions.

Tune Chat
Tune Chat is a chat application that utilizes open-source Large Language Models (LLMs) to provide users with a conversational and informative experience. It is designed to understand and respond to a wide range of user queries, offering assistance with various tasks and engaging in natural language conversations.

Gnani.ai
Gnani.ai is an AI application that offers a suite of agentic AI solutions for enterprises, including Inya Workforce for AI automation, Inya Assist for real-time agent support, Inya Shield for voice biometrics, and Inya Insights for call analytics. The platform enables businesses to build and deploy voice and chat agents quickly without the need for coding. With features like automated QA, voice biometrics, and real-time call analytics, Gnani.ai helps businesses improve customer experience, increase operational efficiency, and drive revenue growth across various industries.

Audioverflow
Audioverflow.com is a domain that is currently parked for free, courtesy of GoDaddy.com. The website does not offer any specific AI tool or application but rather serves as a placeholder for a domain. It is not associated with any specific company, product, or service, and does not imply any endorsement from GoDaddy.com LLC.

iLoveSong.ai
iLoveSong.ai is an AI music generator application that allows users to create original AI songs based on user input. It offers features like generating complete songs in minutes, demonstrating various music styles for educational purposes, creating custom music for content creators, producing soundscapes for game development, and more. Users can choose from different subscription plans to access various features and benefits. The application is designed to break barriers between users and the music they dream of making, requiring no instruments, only imagination.

Otherhalf
Otherhalf.ai is an AI companion application that offers immersive experiences by creating unique and engaging virtual characters. Users can interact with these characters, each with distinct personalities and adaptive behaviors, to provide new and exciting experiences. The application aims to provide companionship and entertainment to users, especially those who may feel isolated or disconnected in their daily lives.

GizAI
GizAI is an AI application that offers a unified platform for AI generators, drive, and notes. Users can generate, enjoy, and share various content types such as stories, images, videos, audios, and games using AI technology. The platform also includes features like AI chat, AI story generator, AI image generator, AI audio generator, and AI video generator. GizAI aims to provide a seamless experience for users to create and interact with AI-generated content.

Seance AI
Seance AI is an innovative application that combines artificial intelligence (AI) technology with immersive storytelling to create a captivating and interactive experience centered around seances and the supernatural. Users can engage in fictionalized seances, communicate with fictional spirits, and explore the mysteries of the spirit world in a simulated virtual environment. The app offers a unique opportunity to blend ancient mysticism with cutting-edge technology, providing users with a platform to embark on a journey into the mystical realm.

ElevenLabs
ElevenLabs is an AI voice generator and text-to-speech application that allows users to convert text into natural-sounding AI voices in various languages. The platform offers high-quality spoken audio with human intonation and inflections, suitable for video creators, developers, and businesses. Users can create lifelike voices for videos, gaming, audiobooks, chatbots, and more. ElevenLabs supports 29 languages and diverse accents, providing advanced AI text-to-speech technology for generating audio content.

MyShell
MyShell is an AI application that enables users to build, share, and own AI agents. It serves as a platform connecting users, creators, and open-source AI researchers. With MyShell, users can interact with AI friends and work companions, such as Shizuku and Emma 01 03, through voice and video conversations. The application empowers creators to leverage generative AI models to transform ideas into AI-native apps quickly. MyShell fosters a creator economy in the AI-native era, allowing anyone to become a creator, take ownership of their work, and be rewarded for their ideas.
9 - Open Source Tools

wit-unity
Wit-unity is a Unity C# based wrapper around the rest apis provided by Wit.ai. It is meant to be used as a base library within Voice SDK. We have made it accessible here for contributions and early adoption testing. Wit-unity is ideal for developers looking to do early research with voice and potential expand the core capabilities of Voice SDK.

tts-generation-webui
TTS Generation WebUI is a comprehensive tool that provides a user-friendly interface for text-to-speech and voice cloning tasks. It integrates various AI models such as Bark, MusicGen, AudioGen, Tortoise, RVC, Vocos, Demucs, SeamlessM4T, and MAGNeT. The tool offers one-click installers, Google Colab demo, videos for guidance, and extra voices for Bark. Users can generate audio outputs, manage models, caches, and system space for AI projects. The project is open-source and emphasizes ethical and responsible use of AI technology.

aiavatarkit
AIAvatarKit is a tool for building AI-based conversational avatars quickly. It supports various platforms like VRChat and cluster, along with real-world devices. The tool is extensible, allowing unlimited capabilities based on user needs. It requires VOICEVOX API, Google or Azure Speech Services API keys, and Python 3.10. Users can start conversations out of the box and enjoy seamless interactions with the avatars.

vocode-python
Vocode is an open source library that enables users to easily build voice-based LLM (Large Language Model) apps. With Vocode, users can create real-time streaming conversations with LLMs and deploy them for phone calls, Zoom meetings, and more. The library offers abstractions and integrations for transcription services, LLMs, and synthesis services, making it a comprehensive tool for voice-based applications.

call-gpt
Call GPT is a voice application that utilizes Deepgram for Speech to Text, elevenlabs for Text to Speech, and OpenAI for GPT prompt completion. It allows users to chat with ChatGPT on the phone, providing better transcription, understanding, and speaking capabilities than traditional IVR systems. The app returns responses with low latency, allows user interruptions, maintains chat history, and enables GPT to call external tools. It coordinates data flow between Deepgram, OpenAI, ElevenLabs, and Twilio Media Streams, enhancing voice interactions.

vocode-core
Vocode is an open source library that enables users to build voice-based LLM (Large Language Model) applications quickly and easily. With Vocode, users can create real-time streaming conversations with LLMs and deploy them for phone calls, Zoom meetings, and more. The library offers abstractions and integrations for transcription services, LLMs, and synthesis services, making it a comprehensive tool for voice-based app development. Vocode also provides out-of-the-box integrations with various services like AssemblyAI, OpenAI, Microsoft Azure, and more, allowing users to leverage these services seamlessly in their applications.

voicechat2
Voicechat2 is a fast, fully local AI voice chat tool that uses WebSockets for communication. It includes a WebSocket server for remote access, default web UI with VAD and Opus support, and modular/swappable SRT, LLM, TTS servers. Users can customize components like SRT, LLM, and TTS servers, and run different models for voice-to-voice communication. The tool aims to reduce latency in voice communication and provides flexibility in server configurations.

ElevenLabs-DotNet
ElevenLabs-DotNet is a non-official Eleven Labs voice synthesis RESTful client that allows users to convert text to speech. The library targets .NET 8.0 and above, working across various platforms like console apps, winforms, wpf, and asp.net, and across Windows, Linux, and Mac. Users can authenticate using API keys directly, from a configuration file, or system environment variables. The tool provides functionalities for text to speech conversion, streaming text to speech, accessing voices, dubbing audio or video files, generating sound effects, managing history of synthesized audio clips, and accessing user information and subscription status.

pipecat-examples
Pipecat-examples is a collection of example applications built with Pipecat, an open-source framework for building voice and multimodal AI applications. It includes various examples demonstrating telephony & voice calls, web & client applications, realtime APIs, multimodal & creative solutions, translation & localization tasks, support, educational & specialized use cases, advanced features, deployment & infrastructure setups, monitoring & analytics tools, and testing & development scenarios.
20 - OpenAI Gpts

Anime Voice Match
Anime Voice Match, identifies anime characters similar to the user's voice.

Voice/Style/Tone AI Prompt Snippet Generator
Analyzes your writing and produces a prompt snippet you can use in any other prompt to guide AI in replicating your voice, style, and tone. Just provide the text in the prompt box or in a document (don't use a link or image). You don't need to write any additional prompt language with your text.

Voice Memo
Record your thoughts with ChatGPT Voice Conversations 💡. Get started by clicking the 🎧 icon right to the chat input. Available on mobile only. Ask 'how do you work?' to learn more.

Vedic Voice
A scholar in Hindu literature providing positive, brief insights against negativity.

Skillful Voice
Premier expert in household management, offering unparalleled advice and guidance.

Earth Conscious Voice
Hi ;) Ask me for data & insights gathered from an environmentally aware global community

Bring Your Writing Voice to Every Task
This GPT will help you recreate your writing voice across multiple tasks. All you need is a prior writing sample (email, blog, article, tweet) and a new task.

Passive to Active Voice Text Converter AI
I convert and rewrite passive voice text into active voice tone and language. Simply put your passive voice text below! Perfect for sentences, paragraphs, daily emails, and longer texts.