Free AI agent frameworks tools9 AI tools for Python, TypeScript, multi-agent systems and more
All the free AI agent frameworks tools in one list, each with a free plan on its own pricing page. New and latest AI tools are added to the directory every day. The full list, free or paid, is on the AI agent frameworks tools page.
- Submit your free AI agent frameworkRun one? Send it in and I’ll add it to the list and queue it for a hands-on test.Submit it →
Agnoagno.comPython SDK for building agents, teams and workflows, served through its AgentOS runtime.Listed in 1 list
CrewAIcrewai.comOpen-source framework and platform for building teams of AI agents that run multi-step tasks, for developers and…
LangGraphlangchain.comFramework and platform from LangChain for building and running stateful AI agent workflows in code, for developers.
LlamaIndexllamaindex.aiLlamaParse and LlamaCloud parse, extract and process documents with AI, for engineering teams.
Lyzrlyzr.aiEnterprise platform to take AI agents to production (Jazon, the agentic OS for sales).Listed in 2 lists
Mastramastra.aiOpen-source TypeScript framework for building and deploying AI agents, for developers.Listed in 3 lists
PydanticAIpydantic.devPython framework for building type-safe agents in code, from the Pydantic team.Listed in 1 list
Rasarasa.comPlatform for product teams to build customer-facing conversational AI agents, deployable on their own infrastructure.Listed in 4 lists
Strands Agentsstrandsagents.comOpen source SDK for building AI agents in Python and TypeScript.Listed in 1 list
Other free AI agents
Still looking? Browse 97 free AI agents across 10 lists: agents, agent builders, enterprise AI agents and more.
- Free AI agentsDedicated AI agents: products whose main job is to take a goal, plan the steps, use tools and finish the job, for work and for personal use.19 tools
- Free AI agent buildersPlatforms for building your own agents, with no code or with a framework, where the agent decides its own steps: tools, memory, multi-agent setups, deployment and monitoring.30 tools
- Free Enterprise AI agentsAgent platforms built for companies: permissions, data controls, audit trails and the connectors a business runs on, for startups, agencies, nonprofits and enterprises.21 tools
- Free Self-hosted AI agentsAgents you run on your own machine or server: local models, private data, offline use and open source code.13 tools
- Free AI customer service agentsAgents that answer customers on chat, email, WhatsApp and Slack, resolve tickets and hand over to a person when they should.12 tools
- Free AI marketing agentsAgents that run a business's marketing work on their own across its channels: paid campaigns on Google and Meta, Instagram and WhatsApp messages, posts, email and the reporting that ties them together.11 tools
- Free AI agents for websitesAgents you add to a site to answer visitors, book, sell and handle support, including the ones built for WordPress and Shopify.10 tools
- Free Vertical AI agentsAgents built for one job or one industry: HR and recruiting, accounting and finance, law, healthcare, property, manufacturing, logistics, hospitality, customer contact centres, research, data work and the tools people already use, from Excel to Jira.8 tools
- Free AI sales agentsAgents that do a sales development rep's job on their own: prospect, write and send outreach, reply to leads, book meetings and update the CRM, in Gmail, Outlook, HubSpot and LinkedIn.5 tools
AI statistics, live monitors and how I test
- AI statisticsVisits, searches and demand for every category, monthly to October 2026.
- Live monitorsUptime, page speed, security and prices of the tested tools, checked every day.
- CheckersThe tools used during every review, explained one by one.
- Data sourcesWhere the monthly statistics come from and how they are read.
- How I testOne written procedure per category, the same scoring for every tool in it.
- Submit your AI toolNot on the list, or ready to be tested? Send it in for the next pull.
Free AI agent frameworks tools: questions people ask
What is a free AI agent framework?
Developer libraries and platforms for building AI agents in code: define tools and memory, orchestrate one or several agents, and test and deploy them. On this page every tool also has a plan that costs nothing for as long as you like, read from its own pricing page.
How many AI agent frameworks tools have a free plan?
9 of the 12 AI agent frameworks tools RankDude lists, as of 1 November 2026. The full list, free or paid, is on the AI agent frameworks tools page.
What does the free plan usually limit?
Credits, outputs or projects per month, a watermark, lower resolution or fewer seats. The limits differ by tool; the pricing page each status was read from says exactly what the free plan includes.
Is this a ranking of free AI agent frameworks tools?
No. The list follows the site's one order: tools I have tested first, then the rest by how well known they are. Only a tested tool carries a grade.
Written by Miles Foster, Owner and tester, RankDude.
All free AI agents