FlagsmithControl feature releases and remote configuration for groups of users.
100% free open-source (BSD-3-Clause) with unlimited seats and flags.
Developer tools
GrowthBook
Free softwareOpen sourceLocalBrowser
Manage feature flags and run A/B experiments using your existing data.
What you can use it for
Manage feature flags and run A/B experiments using your existing data.
- Queries your existing data warehouse (BigQuery, Snowflake, Postgres) with zero event tracking fees.
- Bayesian and Frequentist statistical test analysis engines built in.
- Modern visual experiment editor and feature flag management.
Workflow coverage and comparison notes
Conduct feature flag rollouts, user bucketing, and statistically sound A/B experimentation using open-source GrowthBook instead of DevCycle.
Before you switch
Requires connecting an analytical data warehouse to calculate experiment significance metrics; self-hosted instance maintenance.
Alternatives to these paid apps
Each comparison covers the workflow described above, rather than every paid feature.
More for the same workflow
See alternatives →Flagsmith