The best alternatives to LaunchDarkly are Integrations.js, Statsig, and Optimizely. If these 3 options don't work for you, we've listed a few more alternatives below.
Statsig is the leading product experimentation platform that helps businesses use data to ship fast and build better products. Companies like OpenAI, Notion, Brex, and Eventbrite use Statsig to manage feature rollouts, automate experiments, and make decisions based on performance metrics. Founded in 2021 by former Facebook engineers, Statsig supports thousands of experiments impacting over a billion end users globally.