FreeSDN vs. the alternatives
An honest look at how a free, open, self-hosted controller stacks up against commercial NMS suites and DIY scripts. The same gear, three very different paths. Here's where FreeSDN fits.
How the three approaches compare
We've kept these claims fair. Commercial suites and DIY scripts each have real strengths. FreeSDN's advantage is bringing open, vendor-neutral, multi-domain control together without a per-device bill. Where an answer is "it depends," we say so.
| Capability | FreeSDNOpen · self-hosted | Commercial NMS | DIY scripts |
|---|---|---|---|
Cost What you pay to run it at scale. | Free · AGPL-3.0 | Per-device or per-seat | Free, high effort |
Vendor coverage How many vendors you can manage from one place. | 12 adapters + plugin SDK | Often single-vendor or paid add-ons | Whatever you script |
Self-hosted & air-gappable Runs on your hardware, no cloud dependency. | Sometimes | ||
Multi-tenant RBAC Isolate orgs and sites with role-based access. | 5 roles + per-site grants | Varies by product | |
Multi-domain across different vendors Network plus cameras, VoIP, compute, and storage, spanning many brands. | 12 vendors, one pane | Some bundle, but single-vendor (Meraki MV, UniFi Protect) | |
Staged-write safety + audit No config change touches a device by accident. | Varies | ||
Extensible Add integrations and behavior yourself. | Open SDK, not vendor-gated | APIs, but proprietary | Fully manual |
Open source Inspect, fork, and self-host the whole stack. |
Why teams reach for FreeSDN
Three reasons teams favor the open, self-hosted path for multi-vendor estates, knowing commercial suites and DIY each have their place.
No lock-in, no per-device tax
FreeSDN is AGPL-3.0 with zero per-device or per-seat fees. Self-host it, own your data, and scale without a growing license bill. Margin and budget stay where they belong.
Keep your best-of-breed vendors
Keep the gear you already own: UniFi APs, OPNsense firewall, Hikvision NVR, FreePBX PBX. 12 vendor adapters unify them in one dashboard and one typed API, with no per-vendor silos and no rip-and-replace.
Open and inspectable
Read every line, fork it, and extend it with a typed plugin SDK. There's no black box to trust on faith. The source, the security model, and the honest posture are all out in the open.
When a commercial platform is the better choice
Where FreeSDN fits
- You run mixed-vendor gear and want one open, vendor-neutral pane.
- You'd rather self-host and avoid per-device or per-seat fees.
- You value open source you can inspect, fork, and extend.
- Homelab, evaluation, and non-critical multi-site use today.
Where established platforms lead
- Years of production hardening and proven scale.
- Professional support, SLAs, and security certifications.
- Deep, polished single-vendor feature sets and UX.
- Large ecosystems and long track records.
FreeSDN is a pre-production / testing release. If you need vendor SLAs, certifications, and battle-tested maturity today, a commercial platform is likely the better fit. FreeSDN can still manage that same gear alongside the rest of your stack.
See how FreeSDN compares for yourself
Open the live demo with realistic sample data (no signup, no backend) and judge the unified dashboard, multi-vendor coverage, and staged-write safety on your own terms.