Top 10 Best Feature Toggle Software of 2026

LaunchDarkly is a premier feature management platform that enables teams to deploy, manage, and analyze feature flags in real-time without requiring code deployments or app restarts. It provides advanced targeting based on user attributes, environments, and custom segments, supporting gradual rollouts, A/B testing, and kill switches for safe feature releases. Widely adopted by enterprises like Adobe and Atlassian, it integrates deeply with CI/CD pipelines, observability tools, and over 20 SDKs across languages and platforms.

Split (split.io) is a robust feature flag and experimentation platform designed for controlling software releases with precision. It enables gradual rollouts, A/B/n testing, and targeted traffic allocation based on user attributes, devices, and behaviors. The tool integrates seamlessly with CI/CD pipelines and provides real-time analytics to measure feature performance and business impact.

Optimizely Rollouts is a progressive delivery platform designed for managing feature flags and safe, controlled software deployments at scale. It enables gradual rollouts to targeted user segments, A/B testing, and instant kill switches for rollbacks, all integrated with CI/CD pipelines. As part of the Optimizely experimentation suite, it combines feature management with data-driven insights to optimize releases and reduce risk.

Statsig is an all-in-one product experimentation platform that excels in feature flagging, A/B testing, and metrics monitoring. It allows teams to deploy dynamic feature toggles with advanced targeting based on user attributes, geographies, and custom logic across multiple SDKs. The platform's Pulse engine provides automated insights into experiment results and feature performance, making it ideal for data-driven rollouts.

Flagsmith is an open-source feature flag and remote configuration platform that allows teams to toggle features, run A/B tests, and manage configurations across web, mobile, and server-side applications. It provides SDKs for over 15 languages and frameworks, supports user segmentation for targeted rollouts, and includes analytics for experiment tracking. Available as a fully self-hostable solution or managed cloud service, it emphasizes flexibility and developer control.

Unleash is an open-source feature management platform designed for toggling features on and off in applications without code deployments. It offers flexible activation strategies like gradual rollouts, user segmentation, A/B testing, and remote configuration across multiple environments. Available as self-hosted or fully managed cloud service, it emphasizes developer-friendly APIs, SDKs for numerous languages, and extensibility for custom needs.

ConfigCat is a robust feature flag and remote configuration management platform designed for developers to toggle features, run percentage-based rollouts, and manage app settings without code deployments. It offers advanced targeting capabilities including user attributes, geolocation, and custom rules, supporting A/B testing and progressive delivery. With SDKs for over 20 languages and a user-friendly dashboard, it ensures low-latency flag evaluations even at scale.

GrowthBook is an open-source feature flagging and experimentation platform that enables teams to toggle features, run A/B tests, and analyze results using existing data warehouses like BigQuery or Snowflake. It provides SDKs for over 20 languages and frameworks, a visual editor for experiment setup, and a Bayesian statistics engine for reliable results. Designed for scalability, it supports self-hosting or cloud deployment, making it suitable for progressive delivery and continuous experimentation.

PostHog is an open-source all-in-one product platform that includes robust feature flag management alongside analytics, session replay, and A/B testing. Its feature toggles enable safe rollouts with advanced targeting by user traits, cohorts, groups, or releases, supporting multivariate flags and gradual percentage-based deployments. Deep integration with PostHog's analytics allows teams to monitor flag performance, adoption metrics, and run experiments directly from flag data.

DevCycle is a feature flag and experimentation platform designed for engineering teams to manage feature toggles, progressive rollouts, and A/B tests across web, mobile, and server-side applications. It offers SDKs for JavaScript, React, iOS, Android, and more, enabling precise user targeting based on attributes, behaviors, and custom properties. The platform's visual editor allows no-code configuration of flags and experiments, reducing deployment friction. It also includes built-in analytics for tracking feature performance and user engagement.