Y Combinator's Developer Tools Portfolio

AI Agents to Find Bugs in Your Product

Metafi builds Blockchain infrastructure for Web3 games with embedded wallets, cross-chain transactions, and on-chain event monitoring.

Native Voice is a software SDK for audio device manufacturers to integrate their SDK to create the next generation of listening devices.

Uiflow is a no-code platform that allows its users to build production applications using their enterprise data.

HyperDX is a SAAS company that offers simple workflows that assit engineers in resolving production bugs quicker.

Neosync develops open source data replication and anonymization product.

Line empowers contractors with tools that make building decarbonization projects affordable for their customers and boosts conversion rates.

Root Access is an applied AI lab developing agents for hardware engineering.

Haystack Software automates the steps of software development allowing engineers to focus on key work.

expand.ai effortlessly transforms any website into a type-safe API, making integration seamless and secure.

Autumn Labs is a platform for manufacturing observability and operations

Zigma serves as a frontend platform for easier product interface creation.

Opslane is an open tool that makes incident response easier by automating work and providing important details for engineers.

Melty offers an open-source AI code editor that helps engineers write production-ready code and better understand coding.

Pinnacle is an API for RCS, enabling developers to create interactive, app-like messages for seamless purchasing on iOS and Android.

Random Labs develops a local open-source software engine, promoting collaboration and accessibility for all in tech.

Jarmin offers machine-learning engineering services to help companies build and deploy AI/ML systems.

Building the platform for companies to ship AI agents fast

Zoltar Labs provides AI-assisted tools to automate customer support.

Endstack develops a cloud desktop operating system with an integrated AI agent for individuals and teams.

Maitai is a reliable and self-improving enterprise AI, ready to enhance the business efficiency.

zeroheight is a DevOps platform that allows design teams to create up-to-date style guides and document their design system resources.

Fig adds visual apps, shortcuts, and autocomplete to your terminal.

Bun is a JavaScript runtime for developing and managing web applications.

Elessar is an information technology company that boosts engineering productivity by integrating with the existing ecosystem of tools.

Phind is an intelligent search engine and assistant that utilizes generative AI to provide prompt and accurate answers for developers.

Mobot is a QA-as-a-service platform using real mechanical robots to automate testing on real mobile devices.

Sanctum is an AI powered simulation platform that converts user behavior into automated tests to help teams identify issues.

Lemma offers an AI platform that automates prompt optimization and continuous learning for model improvement.

Get custom internal tools to unblock customer success, support, and operations, fast

Panora is a software development firm offering a developer tool to build AI products for business data.