Assembly Line

iTop vs ServiceNow IT Service Management

iTop and ServiceNow IT Service Management are both IT service management software. ITop is open source under AGPL-3.0, with 1.2k GitHub stars. ServiceNow IT Service Management is a commercial product from ServiceNow.

Which to pick

Pick iTop when
You need ITIL processes tied to a data model you can reshape, and want an open-source product with a commercial vendor behind it.
Pick ServiceNow IT Service Management when
A large enterprise needs ITIL-aligned service management at scale and will fund a platform team.

Side by side

What it does

IT Operations Portal: a web-based ITSM tool with a configurable CMDB, helpdesk, change, SLA and contract management, and impact analysis.

Enterprise IT service management covering incidents, problems, changes, requests, CMDB and service portal on the Now Platform.

Watch out

Customising the data model means learning its XML extension system, and several useful extensions are paid.

Expensive, and it needs dedicated admins and developers to run well.

Ready for

Production-ready (both)

Runs as

Self-hosted server

Cloud service

Built with

PHP, Symfony and MySQL

JavaScript

Source code

Open source, AGPL-3.0 (network copyleft)

Closed source, sold by ServiceNow

What the license allows

Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

Closed source: you use it under the maker's terms and cannot change or resell the code.

How widely known

1.2k GitHub stars

No Wikipedia article of its own

How established

Established: started 8 years ago, latest release 3.3.0.

Not known

Other comparisons

More IT service management (ITSM) and PSA tools

Every IT service management product and project, ranked

Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.