Best Free Feature Management Software of 2025

Kinde is auth for modern applications. Our powerful user authentication integrates in minutes and is free up to 10,500 MAU. Kinde was created by founders and engineers to help businesses generate more revenue, reduce costs and make lifelong loyal customers – in one place. Every day, Kinde gives our community of founders and partners across the globe, the infrastructure they need to build anything they can imagine. Every aspect of Kinde is designed to help your business grow and scale. From startup to IPO in a single platform. Social login with all of your customers favourite SSO providers, and passwordless auth to take the friction out of passwords. And when you’re ready to scale, enterprise connections, custom SAML and MFA, take the friction out of building beautiful, ultra-secure, high conversion onboarding experiences.

Unleash is an open-source feature management software, built with large enterprises in mind. It's private, secure, scalable, and ready for the most complex setups out-of-the-box. Open Smoothly integrate Unleash with your favorite programming languages. Unleash is technology-stack agnostic, transparent, and open-source. Scalable Build multiple environments, each on separate instances, wherever they're located on the globe. Powerful Easily customize Unleash to your most specific use cases. Build what you need on top of a clean, powerful UI with an API-first design. Secure Keep your user data safe through privacy by design, data residency, private instances, and flexible hosting options.

Flagsmith is a fully supported open-source Feature Flag, Remote Configuration, and A/B testing tool. You can use our hosted API to deploy to your private cloud or on-premise. Flagsmith makes it easy for you to create and manage feature flags across web, mobile and server-side applications. Flagsmith allows you to toggle the feature on or off in different environments, users, or user segments by wrapping a section of code with a Flag. Feature flags - Release new features with confidence using phased rollouts. Remote configuration - You can toggle individual features on or off and make changes without having to deploy new code. Segments for A/B Testing and Multivariate Tests - Use segments to perform A/B or multivariate testing on new features. Segments can also be used to introduce beta programs in order to gain early user feedback. Organization Management - Help keep your deployment organized by creating projects and organizations, as well as assigning roles to team members. Integrations - Enhance Flagsmith with your favorite tools.

Optimizely is the global leader in Progressive Delivery and Experimentation. It empowers leading companies to test and deliver new features and experiences to their customers. It takes data-driven decisions, continuous experimentation, and constant innovation to create digital experiences that transform companies. Optimizely One will help you unlock your digital potential. It is essential to create human-centered digital experiences. Find out how to eliminate guesswork and make every interaction actionable. Commerce in the digital age goes beyond products, catalogs, and transactions. Selling online is about telling stories, evoking emotions and building trust. You don't owe anyone their business. Instead, you must earn it with each interaction.

Feature flagging that’s purpose-built for B2B. Release features gradually with simple flags, gate features based on customer subscriptions, and iterate fast with adoption metrics and feedback. Here's how Bucket is different: 🏢 Companies over users: In B2B, you target customer accounts. 📍 Purpose-built: Bucket is built for the B2B use case, which makes everything simpler. 😍 Quality and craft: We focus on the details so you can focus on releasing better features. 🥷 Product engineering: We've made it easy to get feedback and adoption metrics on new releases. 💰 Entitlements: Easily manage feature access based on customer subscription.

Split's Feature Data Platform™ allows you to move quickly without breaking anything. Set up feature flags, and deploy them safely to production. You can control who sees what features and when. Connect each flag to contextual data so you can know if the features you are deploying are improving or making things worse. You can then act without hesitation. You can easily conduct feature experiments such as A/B testing without slowing down. Split is a feature-management platform that goes the extra mile with experts to support, online courses that help you learn while you go, and an developer-oriented culture which puts our customers in the center. Split can help you to improve your productivity, reduce your MTTR or ignite your development team without burning it out. Switch to a free account, schedule a demonstration to learn more or contact us with any questions.

The LaunchDarkly feature management platform allows users to dynamically control which application features are accessible to their audience. By leveraging feature management, contemporary development and operations teams can enhance their speed and handle more development cycles effectively. This approach is regarded as a best practice, enabling engineering teams of various sizes to deploy code continuously while giving business teams the authority to manage the user experience. With the LaunchDarkly platform, top teams can mitigate risks and actualize their concepts from the very start. Accelerate your software delivery process by decoupling code deployments from feature launches, allowing for deployment at your discretion and feature releases when you’re fully prepared. By utilizing feature flags, you can minimize the cost of errors when introducing new features or updating systems. Additionally, you can oversee and adjust your features in real-time, ensuring that you test comprehensive functionalities rather than just superficial adjustments. This level of control ultimately leads to a more efficient and responsive development cycle.

We assist companies from all industries to accelerate their software development processes. The feature flag solution is clearly laid out so you can switch on and off your features at any time. It can be used for User Targeting, Canary Releases and Experimenting.

Experience a seamless feature flag and configuration management service that can be set up in just 10 minutes, designed to accommodate any team size while offering exceptional support and transparency. With ConfigCat's intuitive dashboard, you can easily toggle features on and off even after your application is live. Target specific user segments based on attributes such as location, email, subscription status, or any custom criteria you define. We also facilitate percentage rollouts, A/B testing, and variations to enhance your feature release strategy. As a fully hosted service, ConfigCat allows you to separate the timing of feature launches from code deployments, enabling developers to release their code whenever they complete their work, whether it's fully finished or still in progress. This means you can opt for a soft launch and activate features at your convenience, just like the trendsetters do. With our open-source SDKs, integration with your mobile apps, desktop software, websites, or backend systems is straightforward and hassle-free.

Molasses is an advanced feature flag suite designed for teams eager to accelerate their development while maintaining control over the gradual introduction of new features to their customers. This comprehensive collection of feature flag and A/B testing tools empowers teams to deploy code more frequently, minimizing the occurrence of incidents. By utilizing feature flags, developers can activate or deactivate features without the need for additional deployments. Consequently, new features can exist in the production environment indefinitely without causing disruptions for users. Once a feature is ready for public use, any team member can enable it at their discretion. In the event of any complications, the feature can be promptly disabled, thereby reducing potential negative effects. With Molasses, launching new features can seamlessly integrate into your go-to-market strategy, alleviating concerns over merge conflicts and prolonged feature branches. Moreover, it allows for straightforward A/B testing of the latest features, enabling targeted user experiences based on specific characteristics to determine whether they receive the experimental version or the control. This agility not only enhances the development process but also improves overall customer satisfaction as teams can iterate quickly based on real user feedback.

SAASFE provides a centralized platform for gathering ideas, developing roadmaps, and managing requests seamlessly. It enables you to collect feedback, suggestions, and feature requests straight from your users. You can craft a product roadmap that outlines the future vision and strategy of your offerings over time. Additionally, a changelog feature keeps your users informed about the latest updates to your product. Customer insights are essential for any business's success, guiding your brand's growth effectively. Users can participate by voting on the most impactful feature suggestions, allowing organizations to prioritize what matters most. Administrators benefit from a comprehensive dashboard that consolidates all feedback and proposals, making it easy to access and analyze information. Select the growth strategy that best fits your business needs and ensure that you prioritize initiatives based on popular customer feedback. With complete transparency, you can share your development process, fostering trust and engagement with your user base. This collaborative approach not only enhances the product but also strengthens customer relationships.

Enhance your feature flags and experiments to boost your product's growth using a robust statistical engine. With product observability, you can merge experimentation and real-time analytics, resulting in a complete perspective on both your product and business performance. For the first time, you have the ability to identify which features are influencing your essential business metrics, moving beyond mere tracking of events and clicks. Statsig provides a comprehensive solution for all your experimentation needs through a unified platform that links your creations to the outcomes they generate. We enable A/B testing and experimentation across any device, within any application layer, and at any scale. Statsig offers an all-encompassing 360° insight into your product's performance, empowering developers to make informed decisions. By introducing thorough observability for every product update, from system efficiency to user interactions, Statsig equips developers with the capability to present data to their teams for every decision made regarding the product. This approach not only enhances understanding but also drives continuous improvement in product development strategies.

DevCycle, the leading feature management tool, combines the advantages of OpenFeature with continuous delivery. Open Source Flexibility + Simple SaaS: DevCycle's SDKs are the only ones that have OpenFeature built-in. It is also the only platform to fully commit to open standards with open source APIs and SDKs. This flexibility is combined DevCycle’s edge architecture and local bucketing, which provides teams with high scalability, low latency and enterprise-level security and conformance guarantees. Total Observability into Your Feature Flags - Teams have complete visibility across their organization. DevCycle integrations for observability help track, monitor, and diagnose feature-flag usage. Developer integrations and tools give full control and transparency into feature flags in code. Customized Release Strategies: Teams are able to choose their preferred feature rollout strategies using advanced tools that allow for gradual and percentage-based rollout.

The Flags SDK is an open-source library crafted for seamlessly incorporating feature flags into applications built with Next.js and SvelteKit. It empowers developers to effectively manage and implement feature flags, offering adaptability with numerous flag provider integrations. This SDK facilitates A/B testing, controlled rollouts, and experimentation, enabling developers to deliver features more swiftly and with greater efficiency. It boasts a straightforward, declarative API that simplifies the process of defining and utilizing flags, ensuring a hassle-free integration. By utilizing Flags SDK, developers can strategically introduce new features, conduct live testing without disrupting applications, and explore various options with assurance. The toolkit also guarantees that websites maintain optimal speed while adhering to the best practices associated with feature flag implementation, thus enhancing overall performance. Overall, Flags SDK represents a pivotal resource for developers aiming to innovate while minimizing risks.

AB Tasty, a global leader of AI-powered experience optimization, empowers brands to create better experiences for their customers on their websites and mobile apps by leveraging personalization, experimentation and recommendations. AB Tasty integrates web-based and API-based services into a single platform that allows companies to create seamless experiences for their customers. AB Tasty’s platform helps brands align their digital, ecommerce, and product teams around revenue goals. This is done by optimizing and enhancing digital experiences. Founded in 2013, AB Tasty's client list includes world-leading companies such as Kering and McDonald's. It also includes L'Oreal, Disneyland Paris and LVMH. AB Tasty operates 12 offices in North America, Europe and Asia Pacific.

Simplifying feature flags in Java allows for dynamic enabling and disabling of features without the need for redeployment. This system enables the implementation of various code paths through the use of predicates that are evaluated at runtime, facilitating conditional logic (if/then/else). Features can be activated not only by flag values but also through role and group access management, making it suitable for practices like Canary Releases. It supports various frameworks, starting with Spring Security, and permits the creation of custom predicates utilizing the Strategy Pattern to determine if a feature is active. Several built-in predicates are available, including white/black lists, time-based conditions, and expression evaluations. Additionally, it enables connection to external sources like a Drools rule engine for enhanced decision-making processes. To maintain clean and readable code, it encourages the use of annotations to avoid nested if statements. With Spring AOP, the target implementation is determined at runtime, influenced by the status of the features. Each execution of a feature involves the ff4j evaluating the relevant predicate, which allows for the collection of events and metrics that can be visualized in dashboards or usage trends over time. This approach not only streamlines feature management but also enhances the monitoring and analytics capabilities of your applications.

Togglz serves as a Java-based implementation of the Feature Toggles concept, which is widely adopted in agile development, particularly within continuous deployment and delivery frameworks. This approach revolves around linking a toggle to every new feature under development, providing the flexibility to activate or deactivate these features during the application's runtime, which can even be customized for individual users. The significance of Feature Toggles becomes especially clear in agile environments, where they are utilized by major platforms such as Flickr. Essentially, a configuration file is created to outline multiple toggles corresponding to various features in progress. The application leverages these toggles to determine whether to display the new feature to users. With the toggle set to disabled by default, this strategy enables safe deployment of the application onto production servers, even if the feature remains unfinished or untested. Once the feature is fully developed, it can be activated in the live environment whenever desired, allowing for seamless transitions and updates. This flexibility enhances the overall development workflow, making it easier for teams to manage feature rollouts.

Each module can be used independently or together to create a powerful unified pipeline that spans CI, CD and Feature Flags. Every Harness module is powered by AI/ML. {Our algorithms verify deployments, identify test optimization opportunities, make cloud cost optimization recommendations, restore state on rollback, assist with complex deployment patterns, detect cloud cost anomalies, and trigger a bunch of other activities.|Our algorithms are responsible for verifying deployments, identifying test optimization opportunities, making cloud cost optimization recommendations and restoring state on rollback. They also assist with complex deployment patterns, detecting cloud cost anomalies, as well as triggering a variety of other activities.} It is not fun to sit and stare at dashboards and logs after a deployment. Let us do all the boring work. {Harness analyzes the logs, metrics, and traces from your observability solution and automatically determines the health of every deployment.|Harness analyzes logs, metrics, traces, and other data from your observability system and determines the health and condition of each deployment.} {When a bad deployment is detected, Harness can automatically rollback to the last good version.|Ha

Hypertune stands out as a highly adaptable platform that excels in managing feature flags, conducting A/B testing, performing analytics, and configuring applications. It is designed with comprehensive end-to-end type safety, Git-inspired version control, and allows for local, synchronous, in-memory flag evaluations. You can establish type-safe, tailored inputs such as the current User or Organization to fine-tune feature flag rules, ensuring precise targeting of your desired audience. Furthermore, the platform enables the creation of reusable variables like user segments that can be utilized across various feature flags, facilitating swift debugging for individual users. With options for A/B testing, percentage-based rollouts, multivariate tests, and machine learning loops, Hypertune allows for an effortless rollout, testing, and optimization of new features. Additionally, you can log analytics events with type-safe custom payloads and create dynamic funnels and charts within the dashboard to assess the influence of every feature release. Moreover, the SDK can be initialized with just the necessary feature flags, enabling partial evaluation of flag logic on the edge, thus enhancing both performance and security. This combination of capabilities makes Hypertune a versatile choice for developers aiming to innovate and refine their applications effectively.

Improve customer experience Our A/B testing, full stack, and personalization platform give marketers, product teams, developers, and designers the power to increase engagement and conversion. For every type of team, intuitive A/B testing and personalization options. One platform for all of your A/B testing and full-stack personalization needs. Teams can securely leverage data with HIPAA, CCPA and GDPR capabilities. Without affecting performance, you can test copy, design, and entire pages across all channels and devices. There are unlimited variations. Developers are welcome, but not necessary. You can confidently roll out new features. Your mobile apps can be instantly updated. You can run experiments in real time anywhere in your tech stack. Every visitor should have an individual experience. Use AI to deliver relevant messaging and products to every customer, based on Kameleoon Conversion Score.

Taplytics offers a streamlined, cross-platform A/B testing solution that enhances the user experience in top applications and websites today. Gain complete oversight of your product releases and quickly test and implement new features using our cutting-edge feature management and experimentation platform. Designed for product, engineering, and marketing teams, Taplytics serves as a comprehensive A/B testing tool that aims to increase revenue across both client-side and server-side applications. Reduce the risks associated with deployment and enhance your development efficiency with carefully controlled feature rollouts. You can select from a range of SDKs, a flexible API, or opt for private cloud or on-premises deployment options. We take pride in offering exceptional support through our highly regarded Customer Success team, ensuring that you receive immediate assistance from knowledgeable professionals. Many of our clients have experienced a remarkable 50% reduction in engineering time. Explore the possibilities of enterprise-level A/B testing tailored for both client-side and server-side applications, and see how it can propel your business forward.

Feedio allows product managers to centrally manage feature request from clients and internal teams. It also allows you to understand what is most valuable for your clients and notify them when those features are shipped. Feedio was created to make it easy for product managers to manage feature requests. Product managers often find it difficult to keep track of all feature requests that come in from so many sources, including mails, Slack, clients-facing internal teams, and Slack. Feedio will centrally manage all feature requests. This will make it easier for product managers to: - Interact directly with users to understand their actual use cases. - Add relevancy to these requirements to draw insights - Prioritize the building of products based on customer engagement. Notify clients when you ship something.