Kimai is a web-based multi-user time-tracking application
Take your office and CRM into the cloud!
Accounting & Best Practice Business Administration System
Timesheet module for dolibarr
Linux-Based Billing And Business Application Server For FREE use.
Small Business Appliance
Invoice and office utilities program for customer managment
Open Source Invoice Programm for Egroupware
Mutasyon is a script can add customer, products, inventory or invoice
Captures time & expense by project and account; generates invoice
Free web-based invoicing primarily for Finnish companies