head to head · open source
cloudstack vs flint
cloudstack has 3,126 GitHub stars, 1,418 forks, 1,048 open issues and last shipped 2 days ago. flint has 1,709 stars, 106 forks, 16 open issues and last shipped 2 months ago. cloudstack leads on adoption by 83% (3,126 vs 1,709 stars). cloudstack is written in Java under Apache-2.0; flint is written in TypeScript under Apache-2.0. cloudstack has attracted 45% as many forks as stars, flint 6%. cloudstack was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 5 topic tags (cloud, infrastructure, kvm, libvirt), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| cloudstack | flint | |
|---|---|---|
| GitHub stars | ★ 3.1K | ★ 1.7K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | TypeScript |
| Last push | 2026-11-03 | 2026-09-05 |
| Forks | ⑂ 1.4K | ⑂ 106 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cloudstack if
- You weight community size — 3.1K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick flint if
- You want the flint feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and flint fits your workflow better
About cloudstack
Apache CloudStack Who Uses CloudStack? Demo Getting Started Getting Source Repository Documentation News and Events Getting Involved and Contributing Reporting Security Vulnerabilities License Notice of Cryptographic Software Star History Contributors Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. CloudStack is used by a number of service providers to offer public cloud services, and by many companies to provide an on premises (private) cloud offering…
read the full cloudstack overview →
About flint
Sponsored by heretic bot mitigation and anti fraud Note: this repository is no longer actively maintained and has been succeeded by 🌀 Flint — KVM Management, Reimagined A single <11MB binary with a modern Web UI, CLI, and API for KVM. No XML. No bloat. Just VMs. Flint is a modern, self contained KVM management tool built for developers, sysadmins, and home labs who want zero bloat and maximum efficiency. It was built in a few hours out of a sudden urge for something better. 📋 Prerequisites System Requirements: Linux host (Debian, Ubuntu, Fedora, RHEL, Arch, etc.) libvirt = 6.10.0 (check with libvirtd version )…
read the full flint overview →
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Frequently asked questions
Is cloudstack or flint more popular?
cloudstack has 3,126 GitHub stars and flint has 1,709. cloudstack has the larger community by that measure.
Are cloudstack and flint free?
Both are open source. cloudstack is licensed under Apache-2.0 and flint under Apache-2.0. Neither carries a licence fee.
What is the difference between cloudstack and flint?
cloudstack is written in Java and flint in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, cloudstack or flint?
Choose cloudstack if you want the larger community (3,126 stars) or its Apache-2.0 licence terms. Choose flint if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.