Ai-agent Voice-based applications apps 2025

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Sindarin

Sindarin is a conversational speech platform for integrating AI agents into applications. Show more

Sindarin is an innovative developer platform designed to facilitate the creation of sophisticated conversational AI agents using large language models (LLMs). It offers a comprehensive suite of tools and SDKs tailored for building voice-based AI applications, ensuring seamless real-time conversations marked by ultra-low latency and high-quality speech synthesis. The platform's primary aim is to streamline the integration of realistic AI personas across diverse applications, including web browsers, phone systems, and video games. With Sindarin, developers can effortlessly infuse lifelike interactivity and natural dialogue into their projects, enhancing user experiences through advanced AI technology. Whether it's for customer service, entertainment, or interactive learning, Sindarin provides the flexibility and power needed to bring advanced conversational interfaces to life.

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Real-time conversations

Ultra-low latency

High-fidelity synthesis

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PlayAI

9.1

3 Reviews

A platform for creating ultra-realistic AI voice agents for various applications. Show more

PlayAI is an innovative voice AI platform designed to revolutionize how businesses and developers engage with conversational AI. It provides state-of-the-art AI voice agents capable of delivering realistic and engaging interactions. With advanced features like text-to-speech conversion and real-time voice synthesis, PlayAI enhances customer interactions and streamlines content creation. It utilizes sophisticated natural language processing and cutting-edge voice cloning technology to create authentic and seamless user experiences. Supporting multiple languages, PlayAI is versatile across a wide range of industries. Whether improving customer service or automating complex processes, PlayAI empowers users to harness the power of voice technology effectively.

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Multilingual support

Text-to-speech

Ai voice agents

Voice cloning

Real-time synthesis

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Vocode

Vocode is an open-source platform for building voice AI applications. Show more

Vocode is an innovative developer platform designed to streamline the creation of advanced voice-based AI applications. It offers a comprehensive suite of tools and frameworks that facilitate the management of real-time voice interactions, ensuring seamless integration with diverse speech recognition and synthesis technologies. By leveraging powerful large language models, Vocode empowers developers to craft intelligent voice interfaces with ease. This platform is tailored to reduce the complexity involved in building voice-driven applications, enabling developers to dedicate their resources to enhancing their core products. With Vocode, incorporating sophisticated voice AI capabilities becomes an efficient, straightforward process, opening up new possibilities for user engagement and interaction. Whether it’s enhancing customer support systems or creating immersive voice-driven experiences, Vocode stands out as a vital asset in the evolving landscape of voice technology.

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Real-time conversations

Speech integration

Voice interface

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Deepgram

A platform for building voice AI applications with advanced speech recognition Show more

Deepgram is an advanced platform engineered for building sophisticated voice AI applications through its powerful tools and APIs. It excels in providing high-accuracy speech-to-text (STT) and text-to-speech (TTS) services, ensuring seamless real-time audio processing with minimal latency. This capability enables developers to create conversational AI agents capable of engaging users with natural, human-like interactions. Supporting an array of use cases, Deepgram is ideal for developing customer service bots, offering real-time transcription, and enhancing accessibility solutions. Its versatility makes it a go-to choice for integrating robust voice capabilities into diverse applications, elevating user experience across different sectors.

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Real-time processing

Text-to-speech

Speech-to-text

Voice ai applications

Conversational ai agents

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Advanced Voice Mail

$4.99 / Month

Let customers contact you via Voice Message Show more

Advanced Voice Mail is an innovative app designed to revolutionize your voicemail experience. By harnessing cutting-edge speech-to-text technology, the app seamlessly converts voice messages into text, allowing users to read their voicemails at their convenience. Its sleek and intuitive interface makes it easy to manage and prioritize messages, offering features such as message categorization and customizable notifications. Users can reply to voicemails directly within the app, choosing between audio or text responses for added flexibility. Advanced Voice Mail also integrates smoothly with your contacts, ensuring seamless connectivity and smart caller identification. With robust security features, the app prioritizes user privacy, offering a reliable and efficient solution for managing your voice communications. Whether for personal use or professional settings, Advanced Voice Mail transforms how you interact with voicemail, making communication more accessible and efficient.

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Voice message sending

Online voice recorder

Customer contact channel

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DTEC Voice Shopping Assistant

"Voice-based assistant for seamless, expert-like shopping and product comparisons." Show more

DTEC Voice Shopping Assistant is a revolutionary app designed to streamline the shopping experience through intuitive voice interaction. With DTEC, customers can effortlessly ask product-related questions and receive expert-like answers, making informed purchasing decisions easier than ever. The app allows users to compare products based on various features, offering personalized suggestions tailored to individual preferences. Beyond product discovery and comparison, DTEC enables seamless shopping by letting users add items to their cart and complete purchases without the need for extensive searches. Its innovative approach addresses common shopping challenges, such as time-consuming searches and complicated product comparisons. Whether speaking or typing, users can interact naturally with DTEC, which mimics real human interaction for a personalized touch. Additionally, the app encourages continued shopping by incorporating features like gift recommendations, enhancing customer satisfaction and engagement.

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Seamless shopping

Personalized suggestions

Product comparisons

Voice interaction

Expert answers

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CONVA Voice Search

$9-$99 / Month

Enhance product discovery and engagement through Voice Search Show more

CONVA Voice Search is a powerful tool designed to make online shopping more accessible and efficient through smart, voice-powered search capabilities in multiple languages. This innovative app allows shoppers to use voice commands in English and other languages to find products and refine search results on your store. By facilitating effortless product discovery, CONVA Voice Search enhances user engagement, leading to higher cart values and reduced drop-offs. It is especially beneficial for users who may find keyboard interactions challenging, providing an inclusive shopping experience. The app also offers customizable color themes to align with store aesthetics and delivers recommendation hints by suggesting frequently searched items. With support for synonyms and alternate product names, CONVA Voice Search ensures a smooth and intuitive shopping journey for all users.

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Multilingual capabilities

Voice-powered search

Voice command filtering

Higher cart values

Lower drop-offs

Accessibility support

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Chat Data

Realtime voice to voice agent, whitelabeling available, API available, live chat support Show more

Chat Data is a versatile AI agent creation platform designed to offer unparalleled flexibility for both developers and businesses. It allows users to build sophisticated AI chatbots with customizable backend capabilities, enabling integration with personal knowledge bases or utilizing Chat Data’s built-in models. This platform empowers you to craft a unique user interface or fully rebrand the chatbot’s appearance to align with your company’s identity through a comprehensive white labeling plan. Additionally, Chat Data enhances user interaction by supporting seamless live chat escalation, bridging automated and human support. Whether it’s for customer service, tech support, or enhancing user engagement, Chat Data provides the tools needed to tailor a chatbot solution perfectly suited to your operational requirements. This adaptability makes it an ideal choice for both technical teams and business-oriented users seeking a customized AI solution.

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Api integration

Live chat support

Realtime voice agent

Ai chatbot creation

Backend customization

Frontend customization

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Millis AI

Voice AI platform for creating low-latency, natural-sounding voice agents Show more

Millis AI is a cutting-edge platform designed specifically for developers looking to quickly build sophisticated voice agents. With a focus on delivering low-latency experiences, it ensures interactions are smooth and efficient, making it ideal for enhancing user engagement. The platform excels in natural conversation handling, allowing for interactions that feel intuitive and human-like. Its seamless integration capabilities mean that developers can easily incorporate voice functionalities into a wide array of applications, whether for small personal projects or complex enterprise-level solutions. Moreover, Millis AI offers a scalable infrastructure, ensuring that as your project grows, the platform can handle increased demands effortlessly. This makes Millis AI an indispensable tool for developers aiming to create powerful voice applications that are both robust and flexible.

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Seamless integration

Scalable infrastructure

Natural conversation

Low-latency voice

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Dify

An open-source platform for building and operating LLM-based AI applications with ease. Show more

Dify is an innovative open-source development platform tailored for creating and managing AI applications powered by large language models (LLMs). It uniquely combines Backend-as-a-Service (BaaS) and LLMOps functionalities to deliver a comprehensive suite of tools for visual prompt orchestration, long-context integration, data annotation, and API-based development. Supporting a diverse range of LLMs such as GPT, Mistral, and Llama, Dify excels in facilitating the swift transition from prototyping to production. The platform is designed with both technical and non-technical users in mind, enabling them to seamlessly define, deploy, and refine AI applications. With Dify, users can enhance their AI development processes, ensuring efficient and effective application management from start to finish.

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Rapid prototyping

Supports multiple llms

Visual prompt orchestration

Long-context integration

Data annotation tools

Api-based development

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Voicesense

Voice-based predictive analytics based on acoustics. Show more

Voicesense is an innovative app designed to revolutionize how we understand and predict human behavior. By harnessing advanced machine learning techniques, Voicesense integrates the principles of signal processing, clinical psychology, and voice analysis to create a comprehensive profile of an individual's character traits. One of its standout features is its ability to transcend traditional barriers such as language, culture, gender, and individual differences, making it universally applicable. Through sophisticated analysis of vocal patterns, the app can provide insights into future behavior patterns, offering valuable predictions for personal or professional decision-making. Whether used in HR recruitment, customer service, or personal development, Voicesense empowers users with a deeper understanding of those around them. Its breakthrough approach offers a new frontier in personality assessment, setting a high standard for innovation in behavioral analysis technology.

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Machine learning

Voice analysis

Behavior prediction

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HireUp: Careers Page

$15 / Month

9.1

2 Reviews

Go from unfilled roles to accepting applications today! Show more

HireUp is an efficient hiring solution designed to streamline the recruiting process for businesses looking to fill a role quickly. By integrating the RésuméUploader app block directly onto your storefront, applicants can effortlessly submit their résumés with just a few clicks. This convenience ensures your hiring process can start immediately, avoiding any delays in candidate outreach. With instant email notifications, you’ll know as soon as applications are submitted, allowing for prompt follow-ups. The user-friendly admin panel simplifies application management, helping you easily organize and review résumés to identify top candidates. Additionally, HireUp’s intuitive interface enhances the overall user experience for both employers and applicants, making the hiring process smooth and effective.

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Quick installation

Email notifications

Intuitive interface

Admin panel management

Résumé submission

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Application Form by POWR

Effortlessly manage job applications and affiliates with customizable smart forms. Show more

Application Form by POWR is a versatile tool designed to streamline the management of applicants for jobs, brand ambassador roles, and affiliate or wholesale programs. This app allows you to effortlessly collect and manage applications using customizable Smart Forms with robust integrations. It pairs seamlessly with the POWR Job Board and doesn't require any coding or sign-up, as installation is automatic. With this app, you can customize forms for free, publish them, and choose where to install them on your website, ensuring you never miss an application. POWR also offers user-friendly 24/7 customer support, making it easier to set up and manage your application forms. As part of POWR's suite of 60 cloud-based applications, this app is trusted by over 12 million websites globally, including notable names like SpaceX, NASA, and Harvard University. Whether you're a small business or a large enterprise, POWR's applications can help you grow online by boosting lead collection and conversions.

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Integration capabilities

Automatic installation

Application management

Customizable smart forms

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cognee

Reliable LLM Memory for AI Applications and AI Agents Show more

Cognee is a cutting-edge application designed to revolutionize data management by implementing scalable and modular ECL (Extract, Cognify, Load) pipelines. It enables seamless interconnection and retrieval of past conversations, documents, and audio transcriptions, making information more accessible and organized. Cognee focuses on reducing hallucinations, thus ensuring data integrity and reliability. By minimizing developer effort, it streamlines the data integration process, saving valuable time and resources. The app is cost-effective, offering businesses an efficient solution for managing vast amounts of data while maintaining high accuracy. With its user-friendly interface and robust features, Cognee is a powerful tool for organizations looking to optimize their data operations.

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Modular ecl pipelines

Retrieve past conversations

Integrate audio transcriptions

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Helicone AI

The all-in-one platform to monitor, debug and improve production-ready LLM applications. Show more

Helicone AI is a powerful open-source observability platform tailored for developers utilizing large language models (LLMs) in their applications. With its straightforward one-line integration, Helicone enables effortless access to an extensive suite of monitoring and analytics tools. The app provides detailed insights into the costs, performance, and usage patterns of LLM-driven applications, empowering developers to enhance operational efficiency. By offering these comprehensive analytics, Helicone aids in the optimization of AI workflows, driving improvements in product quality and user experience. This platform serves as an essential tool for developers looking to manage their AI applications effectively, ensuring robust performance and strategic resource allocation.

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Performance insights

Analytics tools

Cost tracking

Comprehensive monitoring

Usage pattern analysis

Ai workflow optimization

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Llama 3.3

Advanced multilingual AI model with enhanced performance and efficiency for diverse applications. Show more

Llama 3.3 is a cutting-edge AI model designed for high-performance text-based tasks, featuring an impressive 70-billion parameters. This version showcases significant advancements in reasoning, mathematical understanding, and the ability to follow instructions, surpassing the capabilities of its predecessors. Notably, Llama 3.3 is optimized to handle complex challenges efficiently while using fewer computational resources than larger models, making it accessible to a broader range of users and applications. With support for multiple languages, it offers unparalleled versatility, catering to diverse linguistic needs worldwide. Whether tackling intricate problems or assisting in everyday tasks, Llama 3.3 proves to be a robust, resource-efficient solution in the AI landscape.

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Multilingual support

Enhanced performance

Instruction tuned

Optimized efficiency

Reasoning improvement

Mathematical understanding

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FinRobot

An Open-Source AI Agent Platform for Financial Applications using LLM Show more

FinRobot is a groundbreaking open-source platform designed to harness the power of Large Language Models (LLMs) for specialized financial applications. Its primary mission is to connect the finance sector with the AI community by offering an extensive toolset that facilitates complex financial analysis, strategic decision-making, and in-depth research. The platform’s multi-layered architecture allows for advanced problem-solving capabilities, making cutting-edge AI techniques more accessible to users in the finance industry. By democratizing these advanced technologies, FinRobot empowers users to tackle sophisticated financial challenges with greater efficiency and insight. Its open-source nature ensures continuous community-driven improvements and innovations, making FinRobot a vital resource for finance professionals seeking to leverage AI in their work.

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Ai agent platform

Financial analysis toolset

Advanced decision-making

Research capabilities

Multi-layered architecture

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LlamaCloud

Managed parsing, ingestion, and retrieval for LLM applications Show more

LlamaCloud is an innovative cloud-based platform tailored for optimizing large language model (LLM) and retrieval-augmented generation (RAG) applications. It offers robust managed services that simplify the parsing, ingestion, and retrieval of data, streamlining operations for businesses and developers alike. With LlamaCloud, users can efficiently process complex documents, leveraging its advanced tools to create seamless data pipelines. The platform also empowers users to implement sophisticated retrieval methods, ensuring quick and accurate access to data. Designed with both functionality and ease of use in mind, LlamaCloud is ideal for organizations seeking to enhance their data handling and retrieval capabilities, ultimately paving the way for more effective and intelligent applications.

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Managed parsing

Data ingestion

Advanced retrieval

Complex document processing

Data pipeline creation

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Agent Inbox UI

Web app for human-in-the-loop interactions with AI agents in LangGraph applications Show more

Agent Inbox UI is a versatile open-source web application designed to streamline human interaction with AI agents within LangGraph applications. It offers an intuitive interface that caters to both technical and non-technical users, allowing them to seamlessly engage with AI-driven workflows. The app supports a variety of interaction types, such as accepting, editing, or responding to actions proposed by AI agents, thus facilitating active human collaboration in the AI decision-making process. Agent Inbox UI is highly adaptable and can be easily integrated with any LangGraph application, whether it is running locally or deployed externally. This ensures that regardless of the deployment environment, users can maintain robust and efficient interactions with AI systems. With its emphasis on user-friendly interactions, Agent Inbox UI demystifies complex AI processes and empowers users to play an active role in shaping AI outcomes.

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Human interaction facilitation

Ai workflow engagement

Agent action editing

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LangSmith

Unified platform for debugging, testing, and monitoring LLM applications Show more

LangSmith is an all-in-one developer platform tailored for creating and refining LLM-powered applications. It offers a suite of tools for debugging, testing, evaluating, and monitoring, ensuring a smooth transition from prototype to production. By providing deep visibility into intricate LLM workflows, LangSmith empowers developers to optimize and manage every aspect of their applications effectively. The platform fosters collaboration between developers and subject matter experts, promoting seamless integration of diverse insights and expertise. With its focus on continuous improvement, LangSmith supports the ongoing evolution and enhancement of AI systems, ensuring they remain robust and efficient. Ultimately, LangSmith is designed to accelerate the development process, enhance application performance, and facilitate the creation of innovative AI-driven solutions.

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Continuous improvement

Debugging tools

Testing support

Application monitoring

Workflow visibility

Collaborative features

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