Free, open-source library for using feature flags in Next.js
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.
Happy shipping!
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.
On the analytics side, Flags SDK by Vercel competes within Open Source, Developer Tools, GitHub and SDK — topics that collectively have 621.2k followers on Product Hunt. The dashboard above tracks how Flags SDK by Vercel performed against the three products that launched closest to it on the same day.
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.
For a complete overview of Flags SDK by Vercel including community comment highlights and product details, visit the product overview.
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!