OpenFlags
Fast, self-hosted, edge-ready feature flags for modern teams
OpenFlags launched on March 17, 2026 with 114 votes, #369 of 23,380 launches that month and more than 95% of that year's launches.
What it does
Lightweight alternative to LaunchDarkly built with Bun & SQLite. Zero-latency local evaluation, percentage rollouts, and a sleek React dashboard. Deploy in seconds with Docker, Railway, or Zeabur. 100% Open Source. 🚀
Self-hosted feature flags for modern JavaScript teams. Zero latency local evaluation, percentage rollouts, and a lightweight control plane without the enterprise tax.
OpenFlags gives you progressive delivery, local evaluation, and a simple control plane without the enterprise tax. Launch faster, de-risk releases, and keep ownership in your stack. const flags = await createClient({ apiUrl: "https://api.openflags.dev", project: "marketing-site", userId: "user_123", }) if (flags.isEnabled("new_checkout")) { renderNewExperience() } Ship faster Release progressively with percentage rollouts and targeted activation, instead of all-or-nothing launches. Evaluate flags locally in your app so feature checks stay fast and predictable. Keep your flags, audit surface, and runtime ownership inside your own infrastructure. OpenFlags is shaped for the way modern teams…from openflags.dev
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Flags SDK by Vercel2025 · flags-sdk.dev · ▲433Free, open-source library for using feature flags in Next.js
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Bucket DX2025 · reflag.com · ▲294Co-founder here Reflag is designed for SaaS products that run on TypeScript. We've been working on this for a few years (team of 6). Feedback welcome!
Featureflags.io – microsite for feature flag best practices, libraries2017 · featureflags.io · ▲27LaunchDarkly provides simple, scalable feature flag & toggle management (feature management) for the modern enterprise. Eliminate risk, deliver value.
Dorkly – Open source feature flags2024 · github.com · ▲203Dorkly is a free open source Feature Flag backend for LaunchDarkly SDKs. It uses simple yaml files stored in GitHub as the source of truth. Full disclosure: made by a former LaunchDarkly employee + current fan.
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