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Open Source Cloud Cost & Optimization Tools

A curated collection of the best open source tools for analyzing and optimizing cloud spending..

AutoMQ

S3-based serverless Kafka reinvented for cost efficiency

  • Stars

    10,916

  • Last commit

    1 day ago

  • License

    Apache-2.0
AutoMQ is a serverless Kafka alternative built on S3 that offers 10x cost savings, easy scalability, and full Kafka compatibility.

Open Source Alternative to:

Kafka

Flexprice

Open source metering and billing infrastructure for any pricing model

  • Stars

    Stars growing quickly over the last 30 days6,879

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
A flexible billing platform that handles usage-based metering, credit management, and subscription billing, giving developers full control over pricing models.

Open Source Alternative to:

Stripe Billing

OpenMeter

Real-time usage metering and billing for AI companies

  • Stars

    2,394

  • Last commit

    9 hours ago

  • License

    Apache-2.0
Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.

Open Source Alternative to:

Stripe Billing
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