12 vetted picks for ai for building agents with free tier, ranked by the ToolHund Score. Updated for 2026.
Teams and creators looking for AI agents options — see the official site for the current feature set.
Teams and creators looking for AI agents options — see the official site for the current feature set.
Teams that want no-code AI automation across business apps.
Teams and creators looking for AI agents options — see the official site for the current feature set.
Teams and creators looking for AI agents options — see the official site for the current feature set.
Teams and creators looking for AI agents options — see the official site for the current feature set.
Teams and creators looking for AI agents options — see the official site for the current feature set.
Developers building production-grade agent workflows and agentic applications.
Ops teams building complex, branching automations with a visual canvas.
Ops teams building custom agents for sales, research and support without code.
Building RAG and agentic apps over private data with strong ingestion pipelines.
Designers who want Flux, Mystic and video models bundled with a stock library.
Our top-ranked pick is at the top of the list above. Rankings use the ToolHund Score — a blend of features, pricing fit, community sentiment and shipping cadence. Vendors can't pay to move up.
Yes — where a free tier exists it's flagged on each tool card. Sort or filter by pricing on the category page to see only free and freemium options.
We re-check every listed tool at least monthly, and immediately when a tool ships a major pricing or feature change.
Sponsored tools are always labelled and never mixed into unpaid rankings. Read the disclosure and methodology pages for details.