Free AI Agents AI Tools

Humantic AI is a buyer-intelligence platform for revenue and GTM teams that combines account intelligence, people intelligence, visitor identification and activation tools (Agent Miia, Agent Pi, Vidar, Kairos, HumanMail) to help sales teams research accounts, personalize outreach, and activate insights inside existing workflows.

UChat is a no-code omnichannel AI agent platform that helps businesses automate sales, support, and engagement across 12–15+ messaging and social channels using a visual flow builder and integrated AI/LLMs.

Ragie is a fully managed RAG-as-a-Service (context engine) that ingests, parses, indexes, and retrieves multimodal content to power agents, assistants, and apps via purpose-built APIs and SDKs for developers and enterprises.

Respan is an LLM engineering platform and AI observability gateway that routes, traces, evaluates, and monitors LLM calls across providers; it provides a single API endpoint, fallbacks, caching, budgets, real-time traces, evaluators, and dashboards for production-grade LLM usage.

Shaped is a fully-managed AI relevance engine and vector database with a built-in feedback loop that unifies retrieval, ranking, and continuous learning to power real-time personalization for search, recommendations, feeds, and agent memory.

Botnoi (Agentic Builder) is an all-in-one AI platform for building, deploying, and managing chatbots and voicebots that handle customer conversations 24/7 across channels such as LINE, Facebook, WhatsApp, phone calls, and websites.

Convai is a platform for creating, training, and deploying embodied conversational AI characters for XR, games, virtual worlds, and omnichannel applications, offering no-code creation tools, developer SDKs/plugins, and multimodal perception (vision, audio, text).

Klu is a collaborative platform to design, deploy, evaluate, and monitor LLM-powered applications, providing shared prompt tooling, evaluation workflows, observability, and enterprise controls for teams building production AI.

Scade.pro is a web platform for building, running, and integrating AI-powered apps and automated content workflows using templates, no-code flows, and customizable AI agents. It offers access to a large library of models, a unified API, and publishing/integration tools for web and mobile products.

Helicone is an AI gateway and LLM observability platform that helps teams route, debug, monitor, and analyze large language model applications with integrations to major LLM providers.

Landing AI provides Agentic Document Extraction (ADE), a vision-first, production-ready document AI platform that converts complex, multi-page documents into accurate, auditable structured data via APIs and SDKs for regulated enterprise workflows.

AI/ML API (aimlapi.com) is a unified API gateway providing access to 1000+ AI models (chat, reasoning, image, video, audio, voice, search and more) with OpenAI/Anthropic compatibility, a playground, and scaling and enterprise features for production use.

DeepInfra is an AI inference cloud and model marketplace that provides developer-friendly APIs, pay-as-you-go pricing, and inference-optimized infrastructure to run 100+ models for text, speech, image, video and multimodal workloads.

LiteLLM is an open-source, self-hosted AI gateway and LLM proxy that centralizes access to many model providers behind a single, OpenAI-compatible API, providing routing, observability, guardrails, budgeting, and enterprise features for platform teams.

1min.AI is an all-in-one AI platform and web app offering a wide set of AI features for text, image, audio, video, documents and agents, aimed at individuals and businesses seeking fast, integrated AI tools with free access and paid plans.

Algolia is an AI-first search and retrieval platform that powers agentic, generative, and traditional search experiences for enterprises, enabling fast, relevant results, personalization, recommendations, and production-ready AI agents.

NaviSmart AI is an AI-powered immigration platform that guides individuals and organizations through eligibility checks, form completion, document extraction, case tracking and background monitoring across 50+ countries with 24/7 AI support.

馆长 Ncurator 是一款以 AI 为驱动、面向工作场景的桌面与浏览器插件式助理软件，旨在通过本地知识库和自主执行任务能力，帮助用户分配并完成日常办公任务（支持 macOS 与 Windows）。

Chatty AI is an AIGC (AI-generated content) platform offering multi-model conversational agents, thousands of customizable virtual characters, document-style dialog, cloud and local storage, and tiered commercial plans for writing, coding, study, social chat and intermediary consulting.

Tettra is an AI-powered internal knowledge base and knowledge management system that helps teams build searchable documentation, answer repetitive questions via a Slack-connected AI bot (Kai), and import existing content from Google Docs, Notion, PDFs, and local files.

Kai by Tettra is an AI-powered internal knowledge base and Q&A assistant (Kai) that indexes company content and answers questions via Tettra and Slack to reduce repetitive questions and surface trusted internal knowledge.

Overchat AI is an all-in-one multi-model AI platform that provides chat, image generation, video generation, and 100+ specialized AI mini-apps through a single web and mobile interface, aiming to give users access to leading models (GPT, Claude, Gemini, Sora, etc.) under one subscription.

Ajelix is an agentic AI workspace and chatbot for professionals that turns data into production-ready deliverables (Excel files, dashboards, apps, presentations, scripts) using AI models and persistent workspaces, aimed at business teams across finance, operations, and marketing.

Tavily (gpt-researcher) provides a secure, production-grade API that gives AI agents real-time access to the web for retrieval, extraction, crawling, and research so models can be grounded with fresh web context and reduce hallucinations.