Move from Monster Releases to Manageable

Stop punting code to the next release window. Deploy when you’re ready and release when your team is. Faster releases, fewer headaches.

Open-source feature flag software trusted by top development teams

KB
Vontobel
Okta
Citi
UBank
Creditas
Delinea
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Stop waiting in release limbo

Decouple deployments from releases for a more productive day-to-day

Trigger releases remotely once all teams and dependencies are ready

Ship great code and spend less time solving merge conflicts

“Flagsmith is both very simple and very powerful. It lets us manage our features and capabilities in a seamless and scalable way that lets us focus on what we do best: building security software.” - Dariel Marlow, VP of Cloud Engineering, Delinea

“Flagsmith is both very simple and very powerful. It lets us manage our features and capabilities in a seamless and scalable way that lets us focus on what we do best: building security software.” - Dariel Marlow, VP of Cloud Engineering, Delinea

Reduce risk & expand control 

Add a feature flag safety net to every new release

Use kill switches to roll back code in real-time if something goes wrong–no need to redeploy

Release code to a small subset of users before gradually scaling up 

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SDKs & frameworks

Choose from 15+ popular languages like Typescript, .NET, Java, and more

Integrate with any framework, including React, Next.js, and more

Questions? We're an open book

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Try our interactive demo

2

Check out our GitHub

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View our integrations

More time coding, less time coordinating

Give non-technical stakeholders like Product and Marketing the power to make certain changes without development resources

Free up engineering time and fire up team creativity—run experiments and innovate with comprehensive A/B and multivariate testing

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Our data centers

East Ohio, USA
East Ohio, USA
London, UK
London, UK
California, USA
California, USA
Mumbai, India
Mumbai, India
Sydney, Australia
Sydney, Australia
São Paulo, Brazil
São Paulo, Brazil
Seoul, South Korea
Seoul, South Korea
Singapore
Singapore
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Infrastructure + database support

With custom levels of support—from fully managed to second level—Flagsmith can take care of as much or as little of your hosting infrastructure needs as makes sense for your org.

Flagsmith supports Postgres, MySQL and Oracle database engines; additional database support is also available depending on your requirements.

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Kubernetes and OpenShift

Your teams can easily deploy Flagsmith’s containerized platform to Kubernetes via Helm, OpenShift, AWS, Azure, or GCP.

Plus, Flagsmith’s OpenShift Operator makes it easy to deploy into OpenShift infrastructure too.

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