Welcome to the Flagsmith Docs

Flagsmith is a feature flag tool that lets you manage features across web, mobile and server side applications.

Flagsmith is Open Source. Host yourself or let us take care of the hosting.

Getting Started

If you're new to Flagsmith or Feature Flags in general we would recommend:

• Signing up for a free account on our SaaS platform
• Go through our 5 minute Quickstart Guide
• Set up an SDK for your Project
• Dive into the Docs

Digging Deeper

• View our SaaS Features and how SaaS compares to Self Hosted
• Learn about our globally distributed Edge API
• Use Flagsmith to run A/B and Multivariate Tests
• Integrate with 3rd party applications
• Use Change Requests and Scheduled Flags to manage your workflows

Check out our SDKs

Client Side SDKs

• Javascript
• Android/Kotlin
• Flutter
• iOS/Swift
• React & React Native
• Next.js, Svelte and SSR

Server Side SDKs

Check out our Server Side SDK architecture first!

• Node.js
• Java
• .Net
• Python
• PHP
• Ruby
• Rust
• Go
• Elixir

Open Source vs SaaS vs Enterprise

Learn more about the different ways you can run Flagsmith.