From the creators of Next.js, the Flags SDK is a free open-source library for implementing feature flags and A/B tests in your applications. Works with any flag provider or custom setup. Compatible with App Router, Pages Router, and Middleware.
@rauchgjust announced Flags SDK, a free, open-source library for using feature flags in Next.js and SvelteKit. Compatible with App Router, Pages Router, and Middleware, the Flags SDK works with any feature flag provider — @LaunchDarkly or @Bucket (spoiler alert: soon) — or custom setup.
Has any consideration been made towards the OpenFeature project from the CNCF? How do you see the two? @rauchg ?
Yesssss, Vercel for everything! And flags for everything within! I love a good release strat. Congrats on building something very core to the development process.
Feature flags made easy! Vercel's Flags SDK looks like a solid tool for seamless feature rollouts and A/B testing.
Observing Vercel’s continuous growth and innovation is truly fascinating! Wish you good luck with the launch! 🎉
Congratulations on the release of the Flags SDK by Vercel! This addresses the need for effective feature management. How does the SDK integrate with various flag providers to ensure a seamless experience for Next.js developers during A/B testing?
Congratulations on the release of the Flags SDK for Next.js! It's great to see a solution that enhances feature management for developers.
How do you handle the integration process with various flag providers, and what steps are taken to ensure seamless compatibility across different setups?
Congrats on the launch! 🚀 Flags SDK looks like a powerful tool for feature management.
Congrats on the launch!🚀 Flags SDK looks like a game changer for feature management. How does it compare to other solutions in terms of performance and scalability?
Vercel always keeps pushing the envelope! A free, open-source feature flag solution that works seamlessly with Next.js and SvelteKit is a solid win for developers.
Congrats on the launch!
Best wishes and sending lots of wins to the team :)
Awesome launch @Flags SDK by Vercel ! 🚀 Any plans for built-in A/B testing support with analytics integration?
About Flags SDK by Vercel on Product Hunt
“Free, open-source library for using feature flags in Next.js”
Flags SDK by Vercel launched on Product Hunt on February 23rd, 2025 and earned 445 upvotes and 10 comments, earning #2 Product of the Day. From the creators of Next.js, the Flags SDK is a free open-source library for implementing feature flags and A/B tests in your applications. Works with any flag provider or custom setup. Compatible with App Router, Pages Router, and Middleware.
Flags SDK by Vercel was featured in Open Source (68.3k followers), Developer Tools (511k followers), GitHub (41.2k followers) and SDK (738 followers) on Product Hunt. Together, these topics include over 96.2k products, making this a competitive space to launch in.
Who hunted Flags SDK by Vercel?
Flags SDK by Vercel was hunted by fmerian. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Reviews
Flags SDK by Vercel has received 818 reviews on Product Hunt with an average rating of 5.00/5. Read all reviews on Product Hunt.
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fmerian
@Vercel is cooking.
@rauchg just announced Flags SDK, a free, open-source library for using feature flags in Next.js and SvelteKit. Compatible with App Router, Pages Router, and Middleware, the Flags SDK works with any feature flag provider — @LaunchDarkly or @Bucket (spoiler alert: soon) — or custom setup.
Happy shipping!