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Open Source Cloud Emulator Tools

A curated collection of the best open source tools that emulate cloud provider APIs on your own machine, so you can develop and test cloud applications without a live account..

Floci

Local AWS emulator with no account, gates, or paid tiers

  • Stars

    Stars growing quickly over the last 30 days31,628

  • Last commit

    11 hours ago

  • License

    MIT
Run AWS services locally in development and CI without an account, quotas, or feature restrictions. MIT licensed, no telemetry.

Open Source Alternative to:

LocalStack

MiniStack

Run 60+ AWS services locally, free forever

  • Stars

    Stars growing over the last 30 days5,149

  • Last commit

    2 days ago

  • License

    MIT
MIT-licensed AWS emulator running 60+ services in a single Docker container. Drop-in replacement for LocalStack with real Postgres, Redis, and Docker containers.

Open Source Alternative to:

LocalStack
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