ConfigCat

ConfigCat is a feature flag and configuration management platform that provides reliable feature management with advanced targeting, positioned as a LaunchDarkly alternative with transparent, usage-based pricing. The platform serves organizations including Nasdaq, Rakuten, Schneider Electric, E.ON, Sbanken, Flixbus, Electrolux, GitKraken, Grupo Boticario, InfluxData, and Speechify. The product provides 24-plus SDKs covering JavaScript, TypeScript, React, Angular, Vue, Python, Java, C-Sharp, Go, Swift, Android, Flutter, Ruby, PHP, Dart, Rust, Elixir, and Kotlin, with support for JSON configuration, percentage-based rollouts, user targeting by attribute, prerequisite flags, and flag dependencies. OpenFeature compliant evaluation ensures vendor neutrality. The Management API and 20-plus integrations including Slack, Jira, GitHub, Zapier, Datadog, Amplitude, and Segment enable workflow automation. Enterprise-grade features available on all plans include SAML 2.0 SSO, two-factor authentication, audit logging, and unlimited team members. The platform is ISO 27001:2022 certified with GDPR compliance, processing data exclusively in the European Union. Documented case studies include Speechify reducing deployment risk for the audiobook platform, and InfluxData managing time-series database feature rollouts. G2 rates the platform 4.7 out of 5, TrustRadius 8.8 out of 10, and Trustpilot 4.8 out of 5. A forever-free plan supports 10 features with unlimited requests and 10,000 monthly config JSON downloads, while the Enterprise plan includes 1 billion monthly downloads and dedicated support.