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Top Open Source Cloud Computing Tools in 2026

A curated collection of the 3 best free and open-source Cloud Computing tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • OpenStack

    Open source cloud computing infrastructure platform

    Stars
    6,013
    Last commit
    10d ago
    License
    Apache-2.0

  • Spinifex

    Open source AWS-compatible edge deployment platform

    Stars
    91
    Last commit
    12d ago
    License
    AGPL-3.0

  • Cozystack

    Transform bare metal servers into a complete cloud platform with REST API for Kubernetes clusters, databases, VMs, and load balancers. Build your own cloud.

    Stars
    2,205
    Last commit
    11d ago
    License
    Apache-2.0
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Showing 3 of 3 open-source tools