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Open Source Alternatives to

LaunchDarkly

4 Alternatives

Unleash

Open-source feature management

Developer Tools

Feature management solution built for developers.

13.3kstars841forks193contributors20issuesLast commit 3d ago
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Unleash is an open-source feature management solution designed to help developers control the release of features in their applications. It allows teams to gradually roll out new features, enabling better testing and user experience management without redeploying the entire application.

•Feature Flags: Easily enable or disable features in real-time without redeploying your application.
•Gradual Rollouts: Roll out features to a small percentage of users before a full release.
•User Segmentation: Target specific user groups based on customizable criteria.
•A/B Testing: Conduct experiments to determine the impact of different features.
•Integrations: Seamlessly integrate with various tools and platforms via APIs and SDKs.

Unleash provides a robust and flexible solution for feature management, making it easier for development teams to innovate and improve their applications continuously.

GrowthBook

Feature Flagging & A/B Testing

Developer Tools

Open-source feature flagging and A/B testing platform.

7.4kstars690forks86contributors553issuesLast commit 3d ago
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GrowthBook is an open-source platform that provides robust feature flagging and A/B testing capabilities. It allows organizations to experiment fearlessly and deliver confidently by managing feature flags and experiments together, all while maintaining full control over their data. Trusted by thousands of organizations, GrowthBook serves over 100 billion feature flag lookups per day, ensuring speed and optimal user experience.

•Feature Flagging: Easily manage feature flags to control the rollout of new features, ensuring a smooth and risk-free deployment process.
•A/B Testing: Conduct experiments to measure the impact of changes on your product, allowing data-driven decision-making.
•Self-Hosting: Maintain privacy and control by self-hosting GrowthBook within your current data stack.
•Lightweight SDKs: Utilize industry-leading lightweight SDKs for seamless integration across various platforms.
•No-code Website Updates: Empower non-technical team members to make website updates without needing to write code, using the visual editor.
•Enterprise-class Experimentation: Deploy new experiments independently and measure success with minimal engineering and data resources.

GrowthBook is designed for teams across engineering, data science, product management, and marketing, providing a comprehensive solution for feature flagging and experimentation. With its commitment to privacy, control, and optimal user experience, GrowthBook ensures that your organization can innovate and grow with confidence.

FlagSmith

Feature Flagging Made Simple

Developer Tools

Open-source feature flag and remote config service.

6.3kstars488forks78contributors498issuesLast commit 3d ago
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Flagsmith is an open-source feature flagging and remote configuration service. It allows development teams to manage feature rollouts, segment users, and conduct A/B testing with ease. Flagsmith can be hosted on-premises or used as a cloud service, providing flexibility and control over your deployment environment.

•Feature Flags: Easily create and manage feature toggles across multiple platforms including web, mobile, and server-side applications.
•Remote Config: Customize feature values and deploy functional and visual changes without updating code or pushing new releases.
•User Segmentation: Create detailed user segments based on traits and behaviors to roll out features strategically.
•A/B and Multivariate Testing: Conduct precise A/B/n testing with multivariate flags, integrating seamlessly with your analytics platform.
•Real-Time Management: Alter application features in real-time without waiting for deployments or app store approvals.
•Role-Based Access: Implement granular control over who can change feature flags and configurations.
•Edge API: Utilize low-latency edge APIs for real-time feature flag management.
•Flexible Hosting Options: Choose between cloud, private cloud, or on-premises hosting to meet your security and compliance needs.

Flagsmith is designed to make feature management less stressful and more efficient. With powerful tools for segmentation, testing, and remote configuration, it provides a robust solution for modern software development. Whether you're rolling out new features or conducting experiments, Flagsmith ensures you can do so with confidence and control.

FeatBit

Feature Flags for .NET

Developer Tools

Open-source feature flags management tool.

1.8kstars137forks30contributors25issuesLast commit 3d ago
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FeatBit is an open-source feature flags management tool designed to empower developers to release features safely and efficiently. Written in .NET, FeatBit allows for precise control over feature rollout and user targeting, ensuring a seamless deployment process.

•Production Testing: Mitigate risks by rolling out features to a small percentage of users initially, then progressively expanding.
•Targeted Experiences: Control who sees each feature and when, allowing for targeted user experiences and continuous improvement.
•Innovate Faster: Decouple code deployments from feature releases, enabling immediate feature activation upon request.
•Host Anywhere: Host your feature flags service wherever needed, ensuring compliance and data protection.
•Developer-Friendly: Use simple if/else statements to control features, eliminating complex DevOps tasks and allowing developers to drive business value directly.
•SDKs: Supports multiple SDKs including .NET, JavaScript, React, NodeJs, Java, Python, and more.
•Feature Management: Create, manage, and filter feature flags easily.
•User Targeting: Assign individual users to specific flag variations.
•Insights: Gain insights into feature usage during rollouts.
•IAM: Define access levels to projects, environments, or teams.
•Experimentation: Run A/B tests to make data-driven decisions.
•Audit Log: Keep track of changes to feature flags and segments.
•Feature Workflow: Create complex automated workflows within FeatBit.
•Web APIs: Automate your workflow with Web APIs.
•SSO: Integrate with your existing Identity Provider.
•Platform-Level Management: Manage flags across multiple projects and environments.
•Pro Solutions for Big Data: Tailored for teams handling millions of daily users with feature usage and A/B testing insights.
•Relay Proxy/Agent: Host a feature flag service in private environments or reduce network latency.
•Powerful Integrations: Seamlessly integrate with tools like DataDog, New Relic, Grafana, Slack, and more.
•OpenTelemetry Integration: Enhance system visibility with logs, traces, and metrics.
•Helm Charts Installation: Install FeatBit on-premises, in the cloud, or in a hybrid environment.

FeatBit is designed to streamline feature management, making it easier for developers to innovate and deliver high-quality user experiences.