Assembly Line

ITFlow vs iTop

ITFlow and iTop are both IT service management software. ITFlow is open source under GPL-3.0, with 1k GitHub stars. ITop is open source under AGPL-3.0, with 1.2k GitHub stars.

Which to pick

Pick ITFlow when
A small MSP wants one self-hosted tool for tickets, client documentation and billing instead of several subscriptions.
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.

Side by side

What it does

A system for managed service providers combining ticketing, client IT documentation, assets, passwords, contracts, invoicing and a client portal.

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

Watch out

Stores client passwords and network details, so hosting and security are critical, and the latest release rebuilt most pages.

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

Ready for

Usable

Production-ready

Runs as

Self-hosted server (both)

Built with

PHP, JavaScript and MySQL

PHP, Symfony and MySQL

Source code

Open source, GPL-3.0 (strong copyleft)

Open source, AGPL-3.0 (network copyleft)

What the license allows

Use inside your business is unrestricted, but anything you distribute that includes it must be released under the same license.

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

How widely known

1k GitHub stars

1.2k GitHub stars

How established

Established: started 7 years ago, latest release v26.11.

Established: started 8 years ago, latest release 3.3.0.

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 each project's README and GitHub data. License, age and popularity lines are worked out directly.