Welcome to Freeside.

Open-source billing, CRM, trouble ticketing, network monitoring and provisioning

for ISPs and WISPs, VoIP providers, CLECs, colocation and hosting providers and online businesses

We're hiring for sysadmin/devops/support positions.
Open Source


Source code VMWare virtual appliance Debian Packages:


Git Developer mailing list
  • Browse the developer mailing list archive
  • Subscribe to the development list (not for user support!)
Commits mailing list IRC


User mailing list
  • Browse the user mailing list archive
  • For basic installation and usage questions concerning the open-source downloads, please remember you are emailing hundreds of busy people and follow some basic posting guidelines
  • Subscribe to the user mailing list
  • Before it was overrun with spammers, we had a web forum. Current discussion is on the mailing list.


  • Main Wiki page
  • There is still some useful information in the old wiki that has not yet been moved over; please feel free to help with that.