FREEDOM251

Freedom251 › Compare

Side by side

OpenNetAdmin vs Subnetly

Both stand on ip address management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

OpenNetAdmin

Free plan APILinuxSelf-hosted+1

OpenNetAdmin combines network inventory, configuration generation, and change archives in a self-hosted IPAM system. The project expects a manually maintained authoritative inventory, and its stated database testing is limited to MySQL.

Visit OpenNetAdmin

Subnetly

Free plan APIiPhoneLinux+2

Subnetly combines DDI management, discovery, and visibility, with a free plan and paid plans from $49 a month. Compare the plan limits and tier-dependent automation access with your network and customer needs.

Visit Subnetly

The facts

OpenNetAdminSubnetly
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, Linux, Self-hosted, WebAPI, iPhone, Linux, Web, Windows
Lowest paid planFree or on requestStarter: $49 a month
Plans published19
MakerNot publishedNot published
Websiteopennetadmin.comsubnetly.com
On ip address management software#10 of 43#14 of 43

OpenNetAdmin: what it does well

  • Tracks IPv6, DNS, DHCP, VLAN, and NAT records
  • Offers web and command-line interfaces
  • Generates DNS, DHCP, and router configurations
  • Archives device configurations with syntax-highlighted comparisons
  • Core is free under GPLv2.0

What to know first

  • Only MySQL is listed as tested
  • Some modules or plugins may use separate licenses
  • Several integrations and discovery tools remain in progress
  • Requires installation on a web server

Subnetly: what it does well

  • Tracks IP utilization and ownership.
  • Agents discover assets using ARP, SNMP, and ICMP.
  • Provides REST APIs and monitoring webhooks.
  • Trial signup requires no credit card.

What to know first

  • Free plan is limited to 256 IPAM addresses.
  • API and webhook access varies by paid tier.
  • Privacy policy says absolute security cannot be guaranteed.

Alternatives to OpenNetAdmin Alternatives to Subnetly The whole list