Results for “free tool”

19 tools in the directory · Updated 2 Nov 2026

“free tool”Ways to use: Plugin / add-inBacked by Y CombinatorShowing 19 tools

PostHog AI Observabilityby PostHogYC W20Trace, evaluate, and cost-track LLM calls inside PostHogFreemium
Spline MCPby SplineYC W21Connect an AI agent to build and edit live 3D scenes in SplineFreemium
Phonicby PhonicYC W20Speech-to-speech models and tools for building voice agents.Freemium
AI Tech Packsby AI Tech PacksYC S21Web-based AI tools for creating editable fashion flat sketches, tech packs, and line sheets.Freemium
Intunedby IntunedYC S22Code-first browser automation platform with an AI agent for building and maintaining automations.Freemium
Cargoby CargoYC S23Go-to-market infrastructure where coding agents build and run GTM agents and workflows as code.Pay as you go
Magic Patternsby Magic PatternsYC W23AI design tool for generating product UI from prompts and your design systemFreemium
Cekuraby CekuraYC F24Testing, monitoring, and evaluation for voice and chat AI agents.Unknown
BrowserOS neoby BrowserOSYC S24Give external AI agents a local browser with sessions and replayFree
Anaraby AnaraYC S24AI research assistant that answers from papers with passage-level citationsFreemium
Hestusby Hestus, Inc.YC S24CAD sketch assistant that suggests actions as you draw.Unknown
Superagentby SuperagentYC W24Security operations for repositories, applications, and AI agents.Freemium
sync.by sync.YC W24AI lip sync API and studio for matching speaker lips to new audioPay as you go
Greptileby GreptileYC W24AI code review agent that indexes a repository and reviews pull requests.Freemium
Adamby AdamYC W25AI engineering assistant for CAD, PLM, and simulation workflows.Freemium
Gojiberry AIby Gojiberry AIYC X26AI prospecting agent for finding and contacting high-intent sales prospects.$99/mo
Context.devby Context.devYC S26Web scraping, search, and research API for AI agentsFreemium
TesterArmyby TesterArmyYC P26AI-assisted web and mobile app testing from plain-language test flows.Freemium
Cardboardby CardboardYC W26AI video editor that builds an editable first cut from a prompt or footage.Freemium