4,021 tools
Free planDeveloper Tools
AgentCost tracks LLM and agent spend across OpenAI, Anthropic, Gemini, LangChain, and thousands of models in real time. It ships as MIT-licensed open-source software with an optional free hosted cloud, budget guardrails, and a Python SDK you can self-host via Docker.
No free planStandards
The Agentic AI Foundation (AAIF) is a Linux Foundation project promoting open, neutral standards for agentic AI interoperability. Its site highlights collaboration on specifications such as MCP-related workstreams, community events, and governance aimed at transparent agent ecosystems rather than a single vendor product.
Free tier unknownCode
Agentic Labs builds Glide, a context engine for AI agent deployments. The site describes collecting and organizing code knowledge, customer data connectors, evaluation sets, reward modeling, and prompt optimization so teams spend less time wrangling context for production agents.
Free planDeveloper Tools
Agent Protocol is an open API specification and SDK ecosystem for interacting with autonomous AI agents through a common REST interface. Maintained by AGI, Inc., it defines tasks, steps, and artifacts so benchmarks and devtools can talk to agents built in any framework without custom glue code.
Free planCode
AgentQL by TinyFish connects LLMs and agents to the web with a query language and SDKs for extracting structured data from dynamic pages. It offers Playwright integrations, a browser extension debugger, REST browserless access, PDF parsing, and tiered API plus remote browser usage.
Free planCode
Agentset provides building blocks for AI chat and search over private documents with RAG, citations, metadata filters, and multimodal ingestion.
Free planCode
AgentSight is a local-first observability tool from Eunomia that profiles AI agents with eBPF and TLS tracing, linking prompts and tool calls to processes, files, and network effects. It runs around CLIs like Claude Code, Codex, and Gemini without SDKs or proxies.
Free planResearch
AgentsKB is a verified Q&A knowledge layer for AI agents covering APIs, SDKs, and frameworks. It offers instant answers from a curated corpus plus a research mode for new domains, delivered through MCP and a free REST API without signup.
Free planCode
Agent Zero is an open-source agentic AI framework that runs on its own operating system, creates and uses tools, learns, self-corrects, and executes transparent workflows. The vendor distributes a desktop launcher, documentation, and community governance tools.
Free tier unknownResearch
Ageospatial delivers geospatial AI for insurance, government, and infrastructure teams, summarizing where assets are, what surrounds them, and what changed. The homepage demos property, infrastructure, and exposure intelligence drawn in seconds for underwriting and public-sector decisions.
Free planCode
Agnost AI monitors conversational AI agents in production to detect silent failures, surface user frustration, and suggest fixes for approval. Pricing tiers scale tracked events and retention from a free starter allowance through Starter and Pro plans.
SEO
Ahrefs is an SEO toolset for backlink analysis, keyword research, site audits, rank tracking and AI search brand monitoring, with paid tiers by projects, tracked keywords and crawl credits plus a free tier.
Free planResearch
Ai2 ASTA is a scholarly research assistant from the Allen Institute for AI that combines literature understanding with data-driven discovery. It searches more than 108 million abstracts and 12 million full-text papers to find, summarize, and analyze scientific evidence, with anonymous access enabled in the public app configuration.
Free planResearch
AI4Bharat is an IIT Madras research lab building open-source datasets, models, and tools for Indian languages across transliteration, machine translation, speech recognition, speech synthesis, and large language models such as IndicTrans and IndicWhisper.
Free tier unknownCode
AI bees is a B2B outbound marketing platform that combines AI targeting modules—AI Nectar, AI Memory, AI Harvest, and persona profiles—with performance-based packages. The site emphasizes demo-led sales, guaranteed targeting models, and done-for-you growth services rather than self-serve SaaS checkout.
Free planAssistant
AI Betting Tips is a mobile app marketing site for AI-driven football (soccer) predictions and betting insights. It highlights analysis of thousands of matches, coverage of 50+ leagues, real-time updates, and free app downloads with optional premium features.
Free planAssistant
AI Bingo is a free browser game where players guess which AI image generator—DALL·E, Midjourney, or Stable Diffusion—produced a shown image. OpenGraph copy describes it as a human-made guessing game built around popular diffusion models.
Free planAssistant
AI Bookstore is a free Vercel-hosted web app that recommends books based on natural-language requests. Users ask for learning paths or mood-based reading ideas and receive AI-suggested titles, with example prompts on the homepage.
Free tier unknownAssistant
AI Bot Eye adds computer-vision analytics to existing CCTV feeds for visual fire and smoke early warning, intrusion alerts, and multi-site monitoring. The vendor site showcases enterprise deployments and invites prospects to prove detection on their own cameras.
Free planAssistant
AiChat is a customer engagement platform combining AI chatbots, agentic AI, live chat, and programmable messaging channels such as WhatsApp, Messenger, and LINE. Public pricing lists Free, Solo, and Team tiers with conversation credits and agent seats.
Free planWriting
AI ChatDocs lets users chat with PDFs, Word files, websites, sitemaps, and YouTube videos to summarize and extract answers. Paid plans raise character and message limits while a free tier supports getting started without upfront payment.
Free tier unknownAssistant
AI Chat Duo is a web experiment for starting and steering conversations between two AI agents. The site description says it surfaces insights from AI-to-AI dialogues that differ from single-chatbot interactions.
Free tier unknownResearch
AI Chatroom (Bulita Chatroom) is a Chinese-language AI chat room supporting group chat, private messages, and multi-device access.
Free trialResearch
AIclicks tracks brand visibility inside AI search answers, monitors prompts and citation sources, and recommends content actions through its Clicky agent. Dashboards cover competitor benchmarks, GA4 integrations, and workflow automation for AI SEO teams.
Showing 1,224 of 4,021 tools
Plan facts carry individual sources and check dates. Unknown values are excluded from required filters.