# 4 Best Open Source Alternatives for Google Cloud

Canonical: https://caniforkit.com/google-cloud
Last updated: 2026-11-07

Looking for the best open source alternative for Google Cloud? Compare 4 verified free and open source alternatives to Google Cloud (Ubicloud, OpenStack, Cozystack) with license details, self-hosting requirements, and practical trade-offs.

## Google Cloud Overview & Subscription Cost
- **Product**: Google Cloud
- **Category**: [hosting](https://caniforkit.com/category/hosting)
- **Paid Subscription Price**: $25/month per seat
- **1-Seat Annualized Cost**: $300/year
- **5-Person Team Annualized Cost**: $1,500/year
- **10-Person Team Annualized Cost**: $3,000/year
- **Can I Vibe-Code / Rebuild It Myself?**: NO (use a free alternative, save the tokens)
- **Rebuild Verdict**: Instead of paying recurring SaaS fees for Google Cloud or rebuilding it from scratch, deploy one of the 4 battle-tested open-source alternatives like Ubicloud.

## Verified Free & Open Source Alternatives

| Alternative | Type | License | Runs On | GitHub Stars | Head-to-Head |
| --- | --- | --- | --- | --- | --- |
| [Ubicloud](https://caniforkit.com/fork/ubicloud) | Open Source | Open Source | Self-host | ★ 12.4k | [Compare vs Google Cloud](https://caniforkit.com/vs/google-cloud-vs-ubicloud) |
| [OpenStack](https://caniforkit.com/fork/openstack) | Open Source | Open Source | Local | ★ 6.1k | [Compare vs Google Cloud](https://caniforkit.com/vs/google-cloud-vs-openstack) |
| [Cozystack](https://caniforkit.com/fork/cozystack) | Open Source | Open Source | Self-host | ★ 2.4k | [Compare vs Google Cloud](https://caniforkit.com/vs/google-cloud-vs-cozystack) |
| [Superphenix](https://caniforkit.com/fork/superphenix) | Open Source | Open Source | Self-host | ★ 129 | [Compare vs Google Cloud](https://caniforkit.com/vs/google-cloud-vs-superphenix) |

## In-Depth Alternative Profiles

### Ubicloud
- **Fork Page**: [Ubicloud Profile](https://caniforkit.com/fork/ubicloud)
- **Head-to-Head Comparison**: [Google Cloud vs Ubicloud](https://caniforkit.com/vs/google-cloud-vs-ubicloud)
- **Official Website**: https://www.ubicloud.com
- **Source Code Repository**: https://github.com/ubicloud/ubicloud
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 12.4k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Self-hostable cloud platform offering elastic compute, managed Postgres, block storage, networking, and GitHub Actions runners on bare metal providers.
- **The Catch vs Google Cloud**: Requires self-hosting setup, updates, and server maintenance compared to managed Google Cloud.
- **Installation**: Clone https://github.com/ubicloud/ubicloud or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

### OpenStack
- **Fork Page**: [OpenStack Profile](https://caniforkit.com/fork/openstack)
- **Head-to-Head Comparison**: [Google Cloud vs OpenStack](https://caniforkit.com/vs/google-cloud-vs-openstack)
- **Official Website**: https://www.openstack.org/
- **Source Code Repository**: https://github.com/openstack/openstack
- **License**: Open Source
- **Runs On**: Local
- **GitHub Stars**: 6.1k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: desktop, cross-platform, one-click install
- **Summary**: OpenStack manages compute, storage, and networking across VMs, bare metal, and containers via APIs or a dashboard. Trusted by Walmart, China Mobile, and more.
- **The Catch vs Google Cloud**: Community-driven open source project without dedicated enterprise SLAs.
- **Installation**: Clone https://github.com/openstack/openstack or deploy with Docker Compose
- **Setup**: Download the native package or installer for your operating system.
- **Data Storage**: All application data lives locally on your own machine.

### Cozystack
- **Fork Page**: [Cozystack Profile](https://caniforkit.com/fork/cozystack)
- **Head-to-Head Comparison**: [Google Cloud vs Cozystack](https://caniforkit.com/vs/google-cloud-vs-cozystack)
- **Official Website**: https://cozystack.io
- **Source Code Repository**: https://github.com/cozystack/cozystack
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 2.4k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Transform bare metal servers into a complete cloud platform with REST API for Kubernetes clusters, databases, VMs, and load balancers. Build your own cloud.
- **The Catch vs Google Cloud**: Requires self-hosting setup, updates, and server maintenance compared to managed Google Cloud.
- **Installation**: Clone https://github.com/cozystack/cozystack or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

### Superphenix
- **Fork Page**: [Superphenix Profile](https://caniforkit.com/fork/superphenix)
- **Head-to-Head Comparison**: [Google Cloud vs Superphenix](https://caniforkit.com/vs/google-cloud-vs-superphenix)
- **Official Website**: https://superphenix.net/
- **Source Code Repository**: https://github.com/super-phenix/superphenix
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 129
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Cloud platform built on Kubernetes that turns your hardware into VMs, storage, networking and managed services, run from a console or through GitOps.
- **The Catch vs Google Cloud**: Requires self-hosting setup, updates, and server maintenance compared to managed Google Cloud.
- **Installation**: Clone https://github.com/super-phenix/superphenix or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

## Frequently Asked Questions

### What is the best free alternative to Google Cloud?
The top free alternative to Google Cloud is Ubicloud (open source, Open Source). Self-hostable cloud platform offering elastic compute, managed Postgres, block storage, networking, and GitHub Actions runners on bare metal providers. Other popular Google Cloud replacements include OpenStack, Cozystack, Superphenix.

### How much does switching from Google Cloud to a free alternative save?
Google Cloud starts at $25/month per seat ($300/year). Switching a 5-person team to a free alternative like Ubicloud saves $1,500 per year in software subscription fees.

### What is the catch when switching away from Google Cloud?
While Ubicloud replaces core Google Cloud features without subscription fees, the real-world trade-off is: Requires self-hosting setup, updates, and server maintenance compared to managed Google Cloud.

## Related

- [hosting Software Category Hub](https://caniforkit.com/category/hosting)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Self-Hosted Software Directory](https://caniforkit.com/self-hosted)
- [Homepage](https://caniforkit.com)