Virtual Agent Development
The best 50 Virtual Agent Development AI tools - Free & Paid
Explore 50 AI for Virtual Agent Development
AgentX is a multi-agent AI platform for building, training, and deploying conversational agents using a no-code visual builder or developer tools, supporting multiple LLMs, RAG knowledge connectors, omnichannel deployment, integrations, analytics, voice, and on-premise options.
Free
AI Agent is a web app that allows users to create customized AI agents to perform specific tasks and achieve goals.
Freemium
Verdent AI is a development environment for agentic coding that enables parallel execution of multiple agents in isolated workspaces. It streamlines workflow with context-switching, built-in clarification tools, and VS Code integration for faster, production-ready feature delivery.
Free trial
- $19/mo
Agentz automates real‑time customer engagement across voice, SMS, web, and social channels. Its drag‑and‑drop flow builder and self‑learning responses handle missed calls, webforms, and inquiries without coding, and it integrates with existing databases and systems.
Paid
- $29
Agent One is a no‑code platform that lets businesses build white‑labeled AI assistants on custom domains. It supports OpenAI, Claude, and Gemini, offers one‑click deployment, real‑time data fetching, API integration, and multilingual analytics.
Subscription
- $8/mo
Character AI is an advanced AI chatbot web application that offers human-like text responses, allows for user-developed characters with NSFW filters, and enables conversations with fictional, historical, and celebrity figures.
Freemium
Google Antigravity is an IDE for developers featuring tab autocompletion, natural language code commands, and configurable agents that monitor tasks. It offers cross-surface synchronization and a unified mission control view for managing multiple agents.
Free
VAgents automates inbound and outbound calls on a no‑code platform, enabling businesses to deploy AI phone agents that answer FAQs, qualify leads, schedule appointments, and auto‑refine scripts from call metrics while meeting data‑protection standards.
Subscription
- $199.99/mo
AgentsForHire.ai is a no-code platform for deploying and managing AI agents across organizations, enabling one-click deployment for tasks like tech support, data science, and content creation. It offers seamless integration, customization, and scalability, enhancing efficiency while ensuring enterpr
Freemium
Agents‑Flex is a lightweight Java framework that builds AI agents with Model Context Protocol support, reusable AI skills, Text2SQL, and integrated RAG, vector, prompt, and memory modules, enabling LLM and local Ollama deployment via HTTP, SSE, WebSocket.
Freemium
Agenthost lets users build AI agents for customer support, sales, marketing, and education without coding. One‑click integrations connect to 2,000+ apps, while custom actions, file uploads, voice, and fine‑tuning extend agent capabilities. Deep analytics and team collaboration improve performance.
Free trial
AgentWorks™ facilitates the development and deployment of AI agents within enterprises, offering interoperability, one-click fine-tuning, compliance validation, performance evaluation, multi-agent workflow orchestration, and a secure infrastructure for various deployment environments.
Subscription
- $4
Virtual Girlfriends is an AI chatbot platform offering chat with diverse virtual characters, each with unique hobbies and personalities. Users can practice conversation skills, explore personalities, or enjoy light chat, all with a privacy‑focused, no‑data‑storage policy.
Free
Vapi is an AI tool that facilitates rapid voicebot development for various applications like customer support, sales, telehealth, etc. It provides features such as low-latency streaming, multilingual support, and customizable models to efficiently create sophisticated voice solutions.
Free trial
- $36
SuperAGI is an open-source autonomous AI framework for building and managing efficient and reliable autonomous agents that learn and improve over time.
Free
Level AI automates contact‑center QA, offers real‑time agent assistance, and analyzes every interaction for sentiment and themes. It tracks performance gaps, supports compliance with screen‑recording, and delivers contextual knowledge via Agent GPT to boost resolution and uncover upsell opportunitie
Freemium
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.
Free
- $50/mo
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.
Free
Warp is an agentic development environment that leverages AI agents to accelerate software development by automating coding, debugging, and feature creation directly within a developer's codebase.
Freemium
Convai enables developers to create 3D conversational characters that perceive vision, voice, and gestures, integrate with Unity, Unreal, or WebGL, and are enriched via document uploads. It offers multilingual support, realistic animation, and scalable deployment across web, mobile, VR, and AR.
Freemium
AI‑powered roleplay coach for managers, sales teams, and new hires. It simulates performance reviews, sales pitches, and executive briefings, delivering real‑time, science‑based feedback on tone, filler words, and body language. Includes GDPR‑compliant video replay and customizable frameworks.
Subscription
RAVATAR creates real‑time 3D AI avatars and holographic displays for customer engagement, events, and virtual workforces. Full‑body digital humans answer FAQs, guide visitors, and explain products across web, mobile, and kiosks. Customizable, low‑code integration supports CRM, LLM, and multilingual
Freemium
SiteAgent.AI is a cutting-edge AI tool that transforms website experiences through voice and text personalized interactions. It provides live support, intelligent recommendations, and customization in up to 80 languages, driving sales, customer satisfaction, and valuable insights.
Free trial
- $10
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.
Freemium
AI Voice Agents automates business phone calls using intelligent voice interactions, ensuring 24/7 customer engagement. It enhances communication, reduces human errors, supports multiple languages, and integrates with tools like calendars and CRMs for diverse industry applications.
Freemium
Metabrix Labs AI Avatar Generator produces hyper‑realistic avatars that listen and respond. Its lightweight Web SDK integrates into any site via HTML, React, or vanilla JavaScript, offering real‑time interaction, customization, and cross‑browser rendering for customer support, sales, or events.
Free
Regal is an AI agent platform that streamlines customer interactions through autonomous agents and unified communication channels. It supports industries like healthcare and finance with compliance-focused solutions, enhancing engagement and optimizing customer profile management.
Subscription
Pi.dev is a terminal-based coding agent for developers and teams, offering TUI, RPC/SDK modes, extensible TypeScript modules and packages, multi-provider model authentication, session/context management, RAG/memory primitives, and CLI tooling for automation and integration.
Free
OpenAgents is an open-source framework for building and operating scalable, interoperable AI agent networks. It provides tools to launch, connect, and orchestrate agents with live monitoring, enabling collaborative applications and workflows.
Freemium
QA.tech automates end‑to‑end tests across web, mobile, and APIs with AI agents that simulate real users, reducing flakiness, delivering instant CI/CD feedback, logging detailed failures, and automatically updating test cases without infrastructure setup.
Freemium
- $499/mo
Enterprise Bot unifies voice, email, and chat into a single AI engine, automating call routing, agent assistance, and self‑service chat. It integrates with CRMs and CCaaS, reduces manual effort, shortens handling time, and maintains security and compliance.
Freemium
Visor.ai delivers enterprise‑grade voice and chat agents that learn from business data, automate up to 85 % of interactions, and integrate natively with existing systems. It offers multilingual, human‑like responses, real‑time visibility, compliance safeguards, and analytics for actionable insights.
Freemium
Capacity is an AI support automation platform providing virtual agents, agent assist, omnichannel support (chat, voice, email, SMS, web), workflow automation, a unified knowledge base, analytics, and integrations to streamline contact center and enterprise support operations.
Freemium
RealAssist AI automates follow-ups via personalized SMS and calls, utilizes an AI voice agent for seller interactions, and offers a one-click contract generator. It includes deal analysis features and a comprehensive dashboard for streamlined real estate wholesaling.
Free trial
Simulation-driven platform that evaluates and monitors AI agents across modalities with realistic multi-turn scenarios, CI/CD-integrated automated tests, configurable safety/policy guardrails, and analytics for failures, hallucinations, and performance to ensure production readiness.
Free trial
AgentGenesis is an open-source platform for developers to create custom retrieval-augmented generation flows, featuring modular AI components, pre-built templates, and a community-driven approach for maintaining and optimizing AI project workflows.
Freemium
AI Video Agent converts text, product images or URLs, and reference clips into full‑scripted, brand‑aligned videos, automatically planning scenes, adding visual effects, and allowing prompt‑based refinement for fast marketing and social content creation.
Freemium
Webapi.ai delivers AI‑powered virtual agents that handle multi‑step conversations, API calls, and notifications. It integrates with SaaS, websites, PDFs and supports channels like website widgets, WhatsApp, Facebook, SMS, providing analytics and human handoff.
Freemium
- $1200/mo
TalentRecruit streamlines hiring with AI‑driven sourcing, a virtual recruiter, and automated interview scheduling. It offers bias‑free ranking, multi‑channel posting, rule‑based offer templates, digital signatures, real‑time status tracking, branded onboarding portals, and an analytics dashboard for
Free
Emergence AI is a platform for enterprises to create and manage intelligent agents, streamlining workflows by automating tasks, analyzing data, and addressing operational challenges across various industries, enhancing reliability and decision-making.
Subscription
Adept builds and runs software agents that automate enterprise workflows. Using multimodal models it interprets web pages, PDFs, charts, and tables, then executes actions across websites and desktop apps via a domain‑specific language. Continuous feedback refines performance.
Subscription
BotsCrew delivers end‑to‑end conversational AI agents built on GPT‑4o, Llama 3, or RAG. Users choose pre‑built or custom agents, proceed through discovery, rapid prototyping, and deployment, with real‑time UI, unlimited integrations, and compliance support to automate queries and reduce support cost
Freemium
InterviewBot Xpress offers interview prep and a live simulation with 20 on‑screen questions. Users upload a resume or job description to generate up to ten personalized questions per role, with downloadable offline practice files. Repeat sessions, no response recording.
Omnichannel AI agents trained on FAQs, transcripts, CRM notes and SOPs automate voice, email, chat and SMS support, sales and scheduling for SMBs, preserving brand tone, integrating with CRM/websites and improving response times and lead capture.
- $299/mo