Results for “free tools”

80 tools in the directory · Updated 2 Nov 2026

“free tools”Ways to use: MCP serverBacked by Y CombinatorShowing 80 tools

Fathomby FathomYC W21AI meeting notes, summaries and action items, with bot or bot-free captureFreemium
21st AIby 21stYC W26Generate and compare several UI component designs from a promptPaid
BrowserOSby BrowserOSYC S24An open-source browser with built-in AI agentsPay as you go
Morphik Developer Platformby MorphikYC X25Document database for building agents and retrieval appsFreemium
Storylane RepXby StorylaneYC S21Website agent that answers visitor questions, qualifies buyers, and books sales meetings$2,000+/moFree trial
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
Taskadeby TaskadeYC S19Build business apps, AI agents, and automations from one promptFreemium
Deepnoteby DeepnoteYC S19Collaborative data notebook with AI agent, SQL, and MCP access.Freemium
Glideby GlideYC W19AI platform that turns spreadsheets and prompts into internal business appsFreemium
Demodeskby DemodeskYC W19AI sales agents that record calls, coach reps and update the CRM€25+/user/moFree trial
Sapling.aiby Sapling.aiYC W19Writing suggestions, autocomplete and AI text detection via API and extensionsFreemium
Reflectby ReflectYC S20AI-driven test automation for web and mobile appsPay as you go
Roboflowby RoboflowYC S20Vision AI platform for building, training, deploying and monitoring computer vision applications.Freemium
Recall.aiby Recall.aiYC W20API for capturing meeting recordings, transcripts, and metadataPay as you go
DeepSourceby DeepSourceYC W20AI code review and static analysis for pull requests$24+/user/moFree trial
Phonicby PhonicYC W20Speech-to-speech models and tools for building voice agents.Freemium
Bytebotby BytebotYC S21An open-source AI agent that controls a self-hosted Linux desktop to carry out computer tasks.Unknown
Writesonicby WritesonicYC S21AI search visibility tracking with content, site audits, and agentic fixes.$79+/moFree trial
CoLoopby CoLoopYC S21AI-supported qualitative research planning, interviewing and analysis.Contact sales
testRigorby testRigorYC S21Plain-English end-to-end UI test automation for web, mobile, desktop, and mainframe apps.Freemium
Hyperbrowserby HyperbrowserYC S21Cloud browsers, sandboxes, and web data APIs for AI agentsFreemium
Secodaby SecodaYC S21AI-assisted data catalog, lineage, documentation and governance platformPaid
Openlayerby OpenlayerYC S21AI governance platform to test, monitor, and control AI systemsFreemium