Cacti vs Pandora FMS Community
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Cacti | Pandora FMS Community |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 85 · Excellent | 45 · Fair |
| Category | Monitoring & Status | Monitoring & Status |
| License | GPL-2.0 | GPL-2.0 |
| Language | PHP | PHP |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 2,048 MB |
| Deployment | bare-metal, docker, source | docker, bare-metal |
| GitHub stars | ★ 1,871 | ★ 474 |
| First released | 2001 | 2008 |
| Replaces | PRTG, SolarWinds | SolarWinds, PRTG |
What are Cacti and Pandora FMS Community?
Cacti
Cacti is a complete network graphing solution that harnesses RRDtool for data storage and graphing. It polls devices over SNMP and scripts, presenting historical performance data through a web interface.
- RRDtool-based graphing
- SNMP and script polling
- Plugin architecture
- Templating for devices
Pandora FMS Community
Pandora FMS Community Edition is a flexible monitoring system that watches networks, servers, applications, and infrastructure. It supports SNMP, agents, and remote checks at scale.
- Network and server monitoring
- SNMP and agents
- Custom dashboards
- Alerting and reports
Cacti vs Pandora FMS Community: key differences
Both projects are written in PHP. Cacti is the lighter option, starting around 512 MB of RAM against 2,048 MB for Pandora FMS Community. Cacti is the more established project (first released 2001), while Pandora FMS Community arrived in 2008. Cacti has the considerably larger community, at 1,871 GitHub stars versus 474.
Why pick each one
Choose Cacti if…
- Mature and reliable
- Detailed graph templates
Watch out for
- Dated interface
- Configuration can be tedious
Choose Pandora FMS Community if…
- Released under the GPL-2.0 license
- First-class Docker support for quick deployment
- Written in PHP
Frequently asked questions
Is Cacti or Pandora FMS Community better?
Cacti is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Pandora FMS Community if its specific feature set fits your needs better.
Are Cacti and Pandora FMS Community free and open-source?
Yes. Cacti is licensed under GPL-2.0 and Pandora FMS Community under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Cacti and Pandora FMS Community with Docker?
Cacti: yes. Pandora FMS Community: yes.
Which is lighter on resources, Cacti or Pandora FMS Community?
Cacti has the smaller minimum footprint at 512 MB of RAM, compared to about 2,048 MB for Pandora FMS Community. Real-world usage depends on library size, user count, and enabled features.