Blog
Practical guides on feature flags, gradual rollouts, and shipping software safely.

Feature Flags in Node.js: Express and Fastify Guide
Implement feature flags in Node.js with Express and Fastify. Middleware patterns, gradual rollouts, user targeting, and kill switches with runnable code.

Feature Flags at the Edge: What Cloudflare Flagship Means for the Category
Cloudflare launched Flagship, a native feature flag service at the edge. Here is what it means for teams choosing a feature flag platform in 2026.

How We Test a Feature Flag Platform: 1,192 Tests Across 13 SDKs
How we test a feature flag platform with 1,192 tests across 13 SDKs: unit tests, contract tests for cross-SDK consistency, and stress testing 28K SSE connections.

Feature Flag Platform Comparison 2026: An Honest Self-Audit
We scored our own feature flag platform against LaunchDarkly, Flagsmith, ConfigCat, and GrowthBook. Here's where Rollgate excels, where it falls short, and what we're building next.

Feature Flags Pricing Comparison 2026: Stop Paying Per Seat
Compare feature flags pricing across LaunchDarkly, Flagsmith, ConfigCat, GrowthBook, and Rollgate. See real cost calculations for a 10-developer team.

Feature Flags in Go: A Practical Guide with Examples
Implement feature flags in Go applications. From simple boolean checks to gradual rollouts, targeting, and A/B testing with the Rollgate Go SDK.

Feature Flags in Next.js: The Complete Guide (App Router)
Implement feature flags in Next.js 14+ with App Router. Server Components, Client Components, middleware, and API routes — with code examples for each pattern.

Feature Flags in Python: Django, FastAPI & Flask Guide
Add feature flags to Python applications. Complete guide for Django, FastAPI, and Flask with gradual rollouts, user targeting, and A/B testing examples.

How to Add Feature Flags to React in 5 Minutes
Step-by-step guide to implementing feature flags in React. Learn useFlag hooks, gradual rollouts, A/B testing, and conditional rendering with real code examples.

Scheduled Feature Releases: Ship at 3am Without Staying Awake
Feature flags scheduled releases let you automate launches, skip 3am deploys, and roll back instantly. Learn the workflow with real code examples.

ConfigCat Alternative: Why Developers Are Switching to Rollgate
Looking for a ConfigCat alternative? Compare Rollgate vs ConfigCat on scheduled releases, 1-click rollback, real-time SSE, SDK resilience, and pricing.

The Best LaunchDarkly Alternative in 2026: Rollgate vs the Rest
Looking for a LaunchDarkly alternative? Compare Rollgate, Flagsmith, ConfigCat, and GrowthBook on pricing, SDKs, scheduled releases, and GDPR compliance.

A/B Testing with Feature Flags: Ship Experiments Without the Complexity
Learn how to run A/B tests using feature flags instead of dedicated experimentation platforms. Practical guide with code examples, statistical basics, and common pitfalls.

How I Built Rollgate: From Side Project to Feature Flags SaaS
The technical journey behind Rollgate, a feature flags SaaS built with Go, Next.js and PostgreSQL as a LaunchDarkly alternative. Architecture, decisions, and real numbers.

What Are Feature Flags? A Complete Guide for 2026
Learn what feature flags are, how they work, and why every engineering team should use them. A practical guide covering types, use cases, and best practices.

Feature Flags vs Feature Branches: When to Use Each
Feature flags and feature branches solve different problems. Learn when to use each, how they complement each other, and why modern teams use both.

How to Implement Gradual Rollouts Without Breaking Production
A practical guide to gradual rollouts using feature flags. Learn percentage-based rollouts, canary releases, and ring deployments with real examples.