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Flagsmith
Open-source feature flag and remote config platform
About Flagsmith
Flagsmith is an open-source feature management platform that allows developers to manage feature flags and remote configuration across web, mobile, and server-side applications. The platform enables teams to decouple deployment from release, rolling out features gradually to specific users, segments, or environments. Key capabilities include multivariate and A/B testing, scheduled feature releases, change approval workflows (4-eyes principle), real-time flag toggling, and role-based access control. Flagsmith also offers flag analytics to track evaluation counts and user exposure. It integrates with analytics platforms like Amplitude, Mixpanel, and Segment for downstream analysis. The platform is built with security in mind, offering on-premise and private cloud hosting options, comprehensive audit logs, and support for SAML, LDAP, Okta, and 2FA. Flagsmith supports multiple data centre regions including North America, Europe, South America, Asia, and Australia. With AiDOOS, deployment and adoption can be enhanced through tailored onboarding workshops, hands-on support, and customizable infrastructure management, ensuring teams can quickly adopt feature flagging practices while maintaining compliance and scalability.
Challenges It Solves
- Slow release cycles due to tight coupling of deployment and feature release
- High risk of production bugs when rolling out new features broadly
- Difficulty in managing feature access across multiple environments, user segments, and development teams
- Lack of governance and audit trails for feature flag changes in regulated industries
Screenshots
Use Cases
Progressive Delivery
Roll out new features gradually to a subset of users, reducing risk and enabling canary deployments.
A/B and Multivariate Testing
Run experiments to optimize user experience by testing different feature variations.
Kill Switch
Instantly disable a problematic feature across all users without redeploying code.
Governance and Compliance
Use role-based access control, audit logs, and change approval workflows to meet regulatory requirements.
Pricing
Custom pricing — built for your team
Flagsmith pricing is tailored to your organisation's size, integrations, and requirements. AiDOOS generates your proposal instantly — scoped & ready in seconds.
Key Features
Create and manage feature toggles across web, mobile, and server-side applications.
Modify application properties like font size, color, or button text without deploying new code.
Run experiments with percentage splits across variations and integrate with analytics platforms.
Implement approval workflows to ensure every flag change is reviewed before going live.
Store user attributes and create dynamic segments for targeted feature rollouts.
Push flag changes to users instantly, enabling kill switches and immediate feature adjustments.
What Reviewers Say
What works well
- Open-source with self-hosting options for security and compliance
- Supports both feature flags and remote config in one platform
- Granular targeting by environment, user, and percentage segments
Common concerns
- Pricing information is not publicly transparent
- Limited number of native integrations compared to some competitors
Reviews
No reviews yet for Flagsmith
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Enterprise Readiness
Identity & Access
Data Security
SLA & Availability
Compliance & Portability
Integrations
Amplitude
Connect Flagsmith to Amplitude to automate A/B tests and send feature flag data for analysis.
Datadog
Send feature flag change events to Datadog event stream for monitoring.
Slack
Receive flag change events in Slack channels for team collaboration.
GitHub
Link Flagsmith features to GitHub PRs and issues for lifecycle tracking.
Segment
Send identity flag states to Segment for downstream analysis.
Jira
View Flagsmith flags inside Jira for streamlined project management.
Sentry
Enable feature flag change tracking in Sentry for error monitoring.
Terraform
Drive flag management as part of Infrastructure as Code using Terraform provider.
Governance & Compliance
EU AI Act
Classification: None
Data Processing Agreement
Standard Contractual Clauses DPA available
Sub-processors
Not disclosed
Right to Erasure
✓ Supported
Change Notifications
None
NIST AI RMF
Not assessed
AiDOOS Managed Deployment
Deploy Flagsmith in 72 hours
AiDOOS handles setup, CRM integration, SSO config, and user provisioning. Your team goes live — not your IT department.
Prerequisites
- Administrator access to Flagsmith cloud or self-hosted instance
- Git repository for feature flag code integration
- Identity provider configured for SSO
Configuration Options
- Cloud-hosted vs self-hosted deployment
- Single sign-on integration (SAML/OIDC)
- Custom data residency region
How Flagsmith Compares
| Product | AI & Analytics | Ease of Use | Enterprise Features | Pricing | Integrations | Mobile Experience | Quick Setup | Customer Support | Rating | Price/mo |
|---|---|---|---|---|---|---|---|---|---|---|
|
F
Flagsmith This product
|
Fair | Excellent | Good | Good | Good | Good | Excellent | Good | — | $Custom/user |
|
LD
LaunchDarkly
|
Excellent | Excellent | Excellent | Poor | Excellent | Excellent | Good | Excellent | ★ None | $1000/user |
|
SP
Split
|
Excellent | Good | Good | Fair | Good | Good | Good | Good | ★ None | $None/user |
|
UN
Unleash
|
Fair | Good | Fair | Excellent | Fair | Good | Good | Fair | ★ None | $0/user |
A Virtual Delivery Center for Flagsmith
Pre-vetted experts and AI agents in the loop, assembled as a delivery pod. Pay in Delivery Units — universal pricing across roles, seniority, and tech stacks. No hiring, no contracting, no procurement cycle.
- Plans from $2,000 — Starter Pack, 10 Delivery Units, 90 days
- Refundable on unused Delivery Units, anytime — no questions asked
- Re-delivery guarantee on acceptance miss
- Pre-flight delivery sizing — you see the plan before you commit
How a Virtual Delivery Center delivers Flagsmith
Outcome-based delivery via AiDOOS’s VDC model. Why VDC vs traditional consulting? →
Outcome-Based
Pay for results, not hours
Milestone-Driven
Clear deliverables at each phase
Expert Network
Access to certified specialists