Proto: The product designer’s IDE (opens ycombinator.com)
A design tool with the accuracy of Cursor & creative freedom of Figma
Context: Supabase co-founder Paul Copplestone on the Lightcone; the company has 13 million users and over 50 million databases.
From Y Combinator: In this episode of the Lightcone, the hosts sit down with Paul Copplestone, co-founder and CEO of Supabase. Since starting in the YC summer batch of 2020, the company has exploded to 13 million users and over 50 million databases under management.
A design tool with the accuracy of Cursor & creative freedom of Figma
Blacksmith (YC W24) builds a faster cloud for continuous integration, betting that testing and validation become the bottleneck as AI coding tools generate more code.
YC startup Pomerado connects agents to any website without needing an API, and it is open source.
Simulithic (YC Fall 2026) runs AI users against an app on every device and browser.
Hand it a C/C++/CUDA bug and get a tested pull request back, at what it claims is 68% lower cost.
Browser CAD with NURBS solid modeling and AI integration, from a Show HN.