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Home/Categories/Product & Project Management/OpenFlags
icon of OpenFlags

OpenFlags

Open source alternative to LaunchDarkly, Optimizely and Statsig

  • 15 stars
  • MIT
  • Updated this year
  • Last commit 221 days ago

Last verified Oct 6, 2026

Run self-hosted feature flags for React, Bun, and Node.js with local evaluation and SQLite-backed control.

Visit websiteGitHub15 starsDeploy on Hostinger
image of OpenFlags
TL;DR

OpenFlags is an MIT-licensed feature flag tool for React, Bun, and Node.js teams. It gives developers a self-hosted control plane for local flag evaluation, progressive rollout, and feature gating without a large managed flag vendor.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
who it's for

Who OpenFlags is for#

JavaScript teams shipping progressive rollouts

OpenFlags fits teams that want to gate React, Bun, or Node.js features without buying a larger flag service.

Skip if:

You need mature enterprise governance, audit workflows, and many official SDKs.

Founders testing features safely

The self-hosted model gives small teams a way to turn features on gradually while keeping costs predictable.

Skip if:

You need no-maintenance SaaS operations more than data ownership.

the problem

The problem it solves#

Feature flags should reduce release risk, but managed flag tools can add cost, latency, and vendor dependency for small teams. Teams shipping JavaScript apps often need simple flag control before they need an enterprise experimentation suite.

When flag evaluation depends on a hosted service for every request, reliability and speed become part of the release risk. Local evaluation and self-hosted control make more sense for teams that want predictable behavior close to the app.

how OpenFlags solves it

How it solves it#

Self-hosted feature flags

OpenFlags provides a self-hosted feature flag control plane for teams that want ownership of flag data and rollout state.

JavaScript stack focus

The README positions OpenFlags for React, Bun, and Node.js applications.

Hosted deploy templates

The README includes Railway and Zeabur deploy buttons, giving small teams a quicker path than manual server setup.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Lightweight alternative to enterprise flag toolsOpenFlags focuses on core flag workflows, which can fit small JavaScript teams better than a full experimentation product.
  • Data stays in your deploymentSelf-hosting helps teams keep flag definitions and rollout state under their own operational control.

Trade-offs

  • -JavaScript-centered adoptionTeams with polyglot backends, mobile apps, or complex experimentation needs should verify SDK coverage before standardizing on OpenFlags.
tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptTypeScript
Frameworks
Next.jsReact
Runtimes
Node.js
frequently asked

FAQ#

What is OpenFlags?

OpenFlags is a self-hosted feature flag tool for modern JavaScript applications.

Which stacks does OpenFlags target?

The README positions OpenFlags for React, Bun, and Node.js teams.

What license does OpenFlags use?

OpenFlags is MIT licensed according to repository metadata.

also worth a look

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Alternative toLaunchDarkly

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Feature flags that store and evaluate on your own infrastructure

  • 4,923 GitHub stars
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Flagsmith

Alternative toLaunchDarkly

Open source feature flags and remote config, self-hosted

  • 6,605 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

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Hostinger

Run OpenFlags on your own server

Self-host OpenFlags on a Hostinger VPS.

Deploy on Hostinger

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