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The 8 best free and open-source feature flag services

This page summarizes and extends the software alternatives mentioned in the source article on posthog.com.
2023-12-11

PostHog Unleash Growth Book Flagsmith Flipt FlipperCloud.io FeatBit FeatureHub
Feature Tracking Feature Flags A/B Testing
  1. PostHog Landing Page
    PostHog Landing Page
    1

    PostHog

    Open source product analytics on your infrastructure.
    Pricing:
    • Open Source
    BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it cost?5. FliptWhat is Flipt?Supported SDKsHow much does it cost?6. FlipperSupported SDKsHow much does it cost?7. FeatBitWhat is FeatBit?Supported SDKsHow much does it cost?8. FeatureHubWhat is FeatureHub?Supported SDKsHow much does it cost?Further readingLeave a commentLoginPosted byAndy Vandervell

    #Analytics #User Analytics #User Engagement 46 social mentions

  2. Unleash Landing Page
    Unleash Landing Page
    2

    Unleash

    Open source Feature toggle/flag service. Helps developers decrease their time-to-market and to increase learning through experimentation.
    Pricing:
    • Open Source
    • Freemium
    • Free Trial
    • $80.0 / Monthly (Pro, "5 users")
    BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it cost?5. FliptWhat is Flipt?Supported SDKsHow much does it cost?6. FlipperSupported SDKsHow much does it cost?7. FeatBitWhat is FeatBit?Supported SDKsHow much does it cost?8. FeatureHubWhat is FeatureHub?Supported SDKsHow much does it cost?Further readingLeave a commentLoginPosted byAndy Vandervell

    #Productivity #Software Engineering #Developer Tools 4 social mentions

  3. Growth Book Landing Page
    Growth Book Landing Page
    3

    Growth Book

    The Open Source A/B Testing Platform
    Pricing:
    • Open Source

    #A/B Testing #Conversion Optimization #Web Analytics 1 social mentions

  4. Flagsmith Landing Page
    Flagsmith Landing Page
    4

    Flagsmith

    Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
    Pricing:
    • Open Source
    • Freemium
    • Free Trial
    BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it cost?5. FliptWhat is Flipt?Supported SDKsHow much does it cost?6. FlipperSupported SDKsHow much does it cost?7. FeatBitWhat is FeatBit?Supported SDKsHow much does it cost?8. FeatureHubWhat is FeatureHub?Supported SDKsHow much does it cost?Further readingLeave a commentLoginPosted byAndy Vandervell

    #Feature Flags #Developer Tools #Configuration Management 13 social mentions

  5. Flipt Landing Page
    Flipt Landing Page
    5

    Flipt

    Flipt gives real estate professionals the ability to quickly launch affordable advertising and marketing campaigns.
    BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it cost?5. FliptWhat is Flipt?Supported SDKsHow much does it cost?6. FlipperSupported SDKsHow much does it cost?7. FeatBitWhat is FeatBit?Supported SDKsHow much does it cost?8. FeatureHubWhat is FeatureHub?Supported SDKsHow much does it cost?Further readingLeave a commentLoginPosted byAndy Vandervell

    #Real Estate #Real Estate Websites #Chatbots

  6. FlipperCloud.io Landing Page
    FlipperCloud.io Landing Page
    6

    FlipperCloud.io

    Control Your Code. Instantly. Without configuring or deploying it.
    Pricing:
    • Open Source
    • Paid
    • Free Trial
    • $20.0 / Monthly (per seat)
    BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it cost?5. FliptWhat is Flipt?Supported SDKsHow much does it cost?6. FlipperSupported SDKsHow much does it cost?7. FeatBitWhat is FeatBit?Supported SDKsHow much does it cost?8. FeatureHubWhat is FeatureHub?Supported SDKsHow much does it cost?Further readingLeave a commentLoginPosted byAndy Vandervell

    #Developer Tools #Release Management #Feature Flags

  7. FeatBit Landing Page
    FeatBit Landing Page
    7

    FeatBit

    A 100% open-source feature flags management platform
    BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it cost?5. FliptWhat is Flipt?Supported SDKsHow much does it cost?6. FlipperSupported SDKsHow much does it cost?7. FeatBitWhat is FeatBit?Supported SDKsHow much does it cost?8. FeatureHubWhat is FeatureHub?Supported SDKsHow much does it cost?Further readingLeave a commentLoginPosted byAndy Vandervell

    #Feature Flags #Developer Tools #Release Management

  8. FeatureHub Landing Page
    FeatureHub Landing Page
    8

    FeatureHub

    Cloud native feature flags, A/B testing and remote configuration service
    Pricing:
    • Open Source
    • Paid
    • Free Trial
    • $4.99 / Monthly (1 user)
    BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it cost?5. FliptWhat is Flipt?Supported SDKsHow much does it cost?6. FlipperSupported SDKsHow much does it cost?7. FeatBitWhat is FeatBit?Supported SDKsHow much does it cost?8. FeatureHubWhat is FeatureHub?Supported SDKsHow much does it cost?Further readingLeave a commentLoginPosted byAndy Vandervell

    #Developer Tools #A/B Testing #Feature Flags

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