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Reflex

Reflex is the open-source Python framework for building full-stack web apps and internal tools.

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Where Reflex ranks

Current edition · updated Oct 20, 2026

About Reflex

Reflex is the operating system for building mission-critical enterprise applications.

Today’s enterprise stack is fragmented. Shipping an app requires stitching together multiple tools and coordinating across multiple roles. Reflex replaces that complexity with a single, unified platform to build, deploy, and manage production applications end-to-end.

We empower teams to own the entire lifecycle of their apps — from idea to production — without needing specialized infrastructure, DevOps, or platform teams. We do this by providing solid, reusable abstractions at both the framework and infrastructure layers. Because we own the underlying open-source framework and the platform it runs on, we can manage the full lifecycle of the application seamlessly.

With Reflex, teams securely connect to company data, use AI to build standardized applications on top of our open-source framework, and deploy with a single click to share across their organization.

We’re replacing the fragmented enterprise stack — and the organizational bottlenecks that come with it.

Founded by Alek Petuskey and Nikhil Rao, Reflex has powered over 1 million applications, earned 28,000+ GitHub stars, and is used by 30% of Fortune 500 companies for internal tools and data-driven applications.

Products

What customers say

  • Reflex Framework

    xSeriCon's three engineers built Vizop, a Python risk-analysis platform, with Reflex Framework. The story establishes in-house production use; its estimated 10% workshop-time saving had not yet been validated through the…

    Case study
  • Reflex Framework

    Ansa built a Python deal-sourcing application with Reflex for natural-language search, company scoring and outreach preparation. Reflex reports 16,000 companies scored monthly, more than 100 team hours saved per month…

    Case study
  • Reflex Framework

    Dell built Dynamic Lab with Reflex, reusing existing Python services to make test-environment provisioning self-service. Reflex reports more than 200 daily engineer users and roughly 2,000 concurrent test setups in…

    Case study

Security and compliance

As reported by Reflex. Ask for audit reports before you buy.

  • SOC 2Certified
  • HIPAACompliant
  • Apache 2.0 open sourceCompliant

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Latest updates from Reflex

New featureSecurity

Reflex Releases Version 0.9.6

Reflex released version 0.9.6, introducing improved component compilation for auto-memoized components and new hybrid properties supporting dataclasses and Pydantic models. The update adds integration with Claude Code through managed AGENTS.md sections. Security patches raise minimum dependency versions for Starlette, python-multipart, and Granian to address vulnerabilities including path poisoning and denial-of-service risks. Telemetry data has been updated to use UUIDs for better tracking accuracy via PostHog, and additional package version reporting was implemented.

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