About
Flagsmith is a fully supported open-source feature flag, remote config, and A/B testing service. Use our hosted API, deploy to your own private cloud, or run on-premise.
Create and manage feature flags across web, mobile, and server-side applications. Wrap a section of code with a flag, and then use Flagsmith to toggle that feature on or off for different environments, users, or user segments.
Feature flags – Release features with phased rollouts and instant rollback capabilities.
Remote config – Toggle individual features on and off, and make changes without deploying new code.
A/B and multivariate testing – Use segments to run A/B and multivariate tests on new features. Introduce beta programs to get early user feedback.
Organization management – Projects, and roles for team members help keep your deployment organized.
Integrations – Connect to your favorite tools.
MCP and CLI – Set up automated feature management workflows controlled by your AI agents
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About
Harness is an AI-native software delivery platform that helps engineering teams achieve excellence by automating and streamlining the entire software delivery lifecycle. It enables continuous integration, continuous delivery, and GitOps for multi-cloud, multi-region deployments with increased speed and reliability. Harness simplifies infrastructure as code, database DevOps, and artifact management to improve collaboration and reduce errors. The platform offers AI-powered testing, incident response, chaos engineering, and feature management to enhance quality and resilience. Harness also provides cloud cost management, security testing orchestration, and developer insights to optimize performance and governance. Trusted by leading enterprises, Harness accelerates innovation while reducing manual effort and risk.
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Why Flagsmith is Better than HarnessSince the Harness acquisition, Split has become Feature Management & Experimentation—just one module inside a much larger DevOps platform, with no published pricing. Even if you just want a focused feature flag tool, you have to buy the suite. Flagsmith is the opposite: an independent, open-source platform built specifically for feature flags and remote config. Our pricing is published on our website so you know your costs before you talk to anyone, and you can start for free. Harness FME is a cloud service, whereas Flagsmith can be self-hosted, on-premises, or deployed in a private cloud, making it ideal for industries that need to maintain control of their data or value data sovereignty and governance. We're also a founding member of OpenFeature, so switching to us (or away from us) doesn't mean rewriting your whole integration. For focused, flexible feature flags, try Flagsmith. See more |
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Organizations that need a feature management and A/B testing solution
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Audience
Harness is ideal for engineering and DevOps teams in enterprises seeking to modernize software delivery with AI-powered automation, continuous integration and delivery, infrastructure management, and enhanced security and cost optimization
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$45/month
Up to 50,000 Requests Per Month*
1 Team Member Unlimited Feature Flags Unlimited Environments Unlimited Identities and Segments API Access
Free Version
Free Trial
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Pricing
No information available.
Free Version
Free Trial
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Reviews/
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Reviews/
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Pros from Real UsersPros
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationFlagsmith
Founded: 2018
United Kingdom
www.flagsmith.com
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Company InformationHarness
Founded: 2016
United States
harness.io/products/platform/
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Alternatives |
Alternatives |
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CategoriesFlagsmith is the bucketing engine for your experiments. Your analytics stack stays where it is. Create a multivariate flag, define variants with percentage weights, and Flagsmith splits traffic deterministically. Bucketing is calculated per identity, so a user gets the same variant on every evaluation until you change the weights. Use segments to restrict a test to the users you want to target: a plan tier, a region, or a beta cohort. And you can use the same mechanism to run beta programmes for early feedback. Flagsmith does not collect events or compute significance. Instead, send the variant name to the analytics platform you already use. Flagsmith has built in integrations for Amplitude, Mixpanel, Segment, Heap and Rudderstack, or push to your own pipeline over webhooks. One source of truth for metrics instead of two. Works the same on our cloud, your private cloud, or on-premise. Wrap a feature in a flag, ship the code, and decide later who sees it. The same flag can hold a different state in each environment, so nothing has to be redeployed to change behaviour in production. Targeting capabilities include boolean flags, multivariate flags, remote config values, identities with traits, segments built from rules on those traits, and percentage rollouts for canary releases. For evaluation, Flagsmith supports server-side SDKs run in local evaluation mode, resolving flags in-process with no network call per check. The Edge API serves client and mobile SDKs from the nearest geographical region. Offline mode covers environments with no outbound connectivity. 15+ open source SDKs, including TypeScript, Python, Java, C#, Go, Ruby, PHP, Swift, Kotlin and Flutter. Governance features include audit logs, role-based access control, change requests with approvals, scheduled changes, SAML SSO and SCIM provisioning. Automation is possible using the REST API, Terra |
Categories |
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Continuous Delivery Features
Application Lifecycle Management
Application Release Automation
Build Automation
Build Log
Change Management
Configuration Management
Continuous Deployment
Continuous Integration
Feature Toggles / Feature Flags
Quality Management
Testing Management
DevOps Features
Approval Workflow
Dashboard
KPIs
Policy Management
Portfolio Management
Prioritization
Release Management
Timeline Management
Troubleshooting Reports
Feature Management Features
A/B Testing
Entitlement Management
Feature Alerts
Feature Flag / Toggle
Feature Rollout Management
Kill Switch
KPI Monitoring
Multivariate Testing
Product Experimentation
Whitelist Creation
AB Testing Features
Audience Targeting
Campaign Segmentation
Funnel Analysis
Heatmaps
Landing Pages / Web Forms
Multivariate Testing
Split Testing
Statistical Relevance Analysis
Surveys
Test Scheduling
Visual Editor
Configuration Management Features
Access Control / Permissions
Application Deployment
Automated Provisioning
Infrastructure Automation
Node Management
Orchestration
Reporting Analytics / Visualization
Task Management
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Continuous Delivery Features
Application Lifecycle Management
Application Release Automation
Build Automation
Build Log
Change Management
Configuration Management
Continuous Deployment
Continuous Integration
Feature Toggles / Feature Flags
Quality Management
Testing Management
DevOps Features
Approval Workflow
Dashboard
KPIs
Policy Management
Portfolio Management
Prioritization
Release Management
Timeline Management
Troubleshooting Reports
Feature Management Features
A/B Testing
Entitlement Management
Feature Alerts
Feature Flag / Toggle
Feature Rollout Management
Kill Switch
KPI Monitoring
Multivariate Testing
Product Experimentation
Whitelist Creation
Change Management Features
Approval Workflow
Audit Trail
Automated Notifications
Change Calendar
Change Planning
Compliance Management
Prioritization
Release Management
Task Management
Tracking & Reporting
Training Management
Cloud Cost Management Features
Cost Reduction Optimization
Dashboard
Data Import/Export
Data Storage
Data Visualization
Resource Usage Reporting
Roles / Permissions
Spend and Cost Reporting
Continuous Integration Features
Build Log
Change Management
Configuration Management
Continuous Delivery
Continuous Deployment
Debugging
Permission Management
Quality Assurance Management
Testing Management
Software Testing Features
Automated Testing
Black-Box Testing
Dynamic Testing
Issue Tracking
Manual Testing
Quality Assurance Planning
Reporting / Analytics
Static Testing
Test Case Management
Variable Testing Methods
White-Box Testing
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Integrations
Datadog
Dynatrace
Jira
Kubernetes
New Relic
Prometheus
Red Hat OpenShift
ServiceNow
Splunk AppDynamics
Azure App Service
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Integrations
Datadog
Dynatrace
Jira
Kubernetes
New Relic
Prometheus
Red Hat OpenShift
ServiceNow
Splunk AppDynamics
Azure App Service
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