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Top Open Source Subscription & Billing Management Tools in 2026

A curated collection of the 8 best free and open-source Subscription & Billing Management tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Suprascribe

    Open-source subscription tracker for recurring billing

    Stars
    10
    Last commit
    17d ago
    License
    AGPL-3.0

  • Lago

    Open-source billing infrastructure for AI and tech businesses

    Stars
    10,418
    Last commit
    11d ago
    License
    AGPL-3.0

  • Autumn

    Drop-in billing for AI startups

    Stars
    2,651
    Last commit
    10d ago
    License
    Apache-2.0

  • UniBee

    All-in-one subscription billing platform

    Stars
    231
    Last commit
    8mo ago
    License
    AGPL-3.0

  • Paymenter

    Open-source billing platform for hosting businesses

    Stars
    2,268
    Last commit
    10d ago
    License
    MIT

  • OpenMeter

    Open source usage-based billing and metering

    Stars
    2,231
    Last commit
    10d ago
    License
    Apache-2.0

  • Meteroid

    Open-source billing & monetization platform

    Stars
    1,223
    Last commit
    10d ago
    License
    AGPL-3.0

  • Flexprice

    Billing infrastructure for AI-native and SaaS teams

    Stars
    4,453
    Last commit
    12d ago
    License
    AGPL-3.0
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Showing 8 of 8 open-source tools