iSpy vs ZoneMinder
A side-by-side comparison of two self-hosted video surveillance options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | iSpy | ZoneMinder |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 58 · Fair | 90 · Excellent |
| Category | Video Surveillance | Video Surveillance |
| License | LGPL-3.0 | GPL-2.0 |
| Language | C# | PHP |
| Setup difficulty | Medium | Hard |
| Min. RAM | 2,048 MB | 2,048 MB |
| Deployment | bare-metal | docker, bare-metal |
| GitHub stars | ★ 1,624 | ★ 5,936 |
| First released | 2007 | 2002 |
| Replaces | Blue Iris | Blue Iris, Milestone XProtect |
What are iSpy and ZoneMinder?
iSpy
iSpy is open-source video surveillance software for Windows that turns cameras and microphones into a monitoring system. It supports motion detection, alerts, and remote access through a companion service.
- Motion detection and alerts
- Audio monitoring
- Plugin support
- Remote access
ZoneMinder
ZoneMinder is a free, open-source, closed-circuit television software application for Linux that supports IP, USB, and analog cameras. It provides recording, monitoring, analysis, and a web-based control interface.
- IP, USB, and analog camera support
- Motion zones and analysis
- Event recording
- Web control interface
iSpy vs ZoneMinder: key differences
ISpy is written in C#, while ZoneMinder is built with PHP. Licensing differs — LGPL-3.0 for iSpy versus GPL-2.0 for ZoneMinder. ZoneMinder is the more established project (first released 2002), while iSpy arrived in 2007. ZoneMinder has the considerably larger community, at 5,936 GitHub stars versus 1,624. ZoneMinder lists first-class Docker deployment; iSpy does not.
Why pick each one
Choose iSpy if…
- Long-established
- Many camera integrations
Watch out for
- Windows-only
- Superseded by Agent DVR
Choose ZoneMinder if…
- Very mature project
- Highly configurable
Watch out for
- Complex installation
- Dated interface
Frequently asked questions
Is iSpy or ZoneMinder better?
Neither is universally better. ZoneMinder has the larger community, while iSpy is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are iSpy and ZoneMinder free and open-source?
Yes. iSpy is licensed under LGPL-3.0 and ZoneMinder under GPL-2.0. Both can be self-hosted at no software cost.
Can I run iSpy and ZoneMinder with Docker?
iSpy: check the project docs for container support. ZoneMinder: yes.