Developer tools

Applications from companies selling APIs, platforms and infrastructure to technical buyers.

4 pieces

Everything in Developer tools

04Prolific
They named Scale AI as something that could be built on top of them. Then they became it.
31 Aug 2026
Prolific applied to YC in 2019 already profitable, 13 people, no funding taken.
03Keywords AI
The router was the pitch. The logs turned out to be the company.
30 Aug 2026
The application says it plainly: no one is combining LLMs yet, and this is the future of LLM usage.
02Standard Treasury
They named the regulators as their biggest fear. They were right, for the wrong reason.
22 Aug 2026
Asked who they feared, the application skips every competitor it has listed and names the regulators.
01GitLab
GitLab — YC Application (W15)
28 May 2026
GitLab applied to YC in 2015 already at ~$1M revenue, growing 60% a month — and turning down a $10M acquisition offer.