Developer tools

Reflex

Website

For decades, businesses have adapted to software that wasn’t built for them. Teams pay for features they don’t need, go without the ones they do, and fill the gaps with spreadsheets, emails, and manual work. AI flips the equation. Now, software can be built around your business. Reflex brings AI and engineering expertise to your business without

Founded 2023Origin source ↗Checked 2026-10-18

Overview

For decades, businesses have adapted to software that wasn’t built for them. Teams pay for features they don’t need, go without the ones they do, and fill the gaps with spreadsheets, emails, and manual work. AI flips the equation. Now, software can be built around your business.

Reflex brings AI and engineering expertise to your business without requiring you to become a software company. We work alongside your team to identify where better software can make the biggest difference, build on or replace your existing systems, and help you put it to work.

Our platform gives every app a shared foundation, making your software easier to connect, maintain, and improve. As your business evolves, your software can evolve with it.

That foundation is Reflex, our open-source framework for building full-stack web apps entirely in Python. With 1M+ apps built, approximately 29,000 GitHub stars, and usage by 30% of the Fortune 500, Reflex gives developers a shared foundation for building and extending applications, with source code they can inspect, customize, and run themselves.

Company description As recorded 2026-11-08
LinkedIn GitHub About
Developer toolsInfrastructureDevelopersDevelopersOpen source commercial

Founders & team

Previously Pynecone

Company history As recorded 2026-11-08
10team members reported
Source-reported As recorded 2026-10-18

Founded 2023 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceA pricing page was detected
Maturity: Not assessed · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The homepage contains prelaunch or closure language; availability needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observeddocumentation observedrecent publishing observed
startup.observe Directory coverage · Sources & method