Kimai is a web-based multi-user time-tracking application
Take your office and CRM into the cloud!
Timesheet module for dolibarr
Rapid Business Information Organizer
Small Business Appliance
A framework agnostic, multi-gateway payment processing library
FreelancerBooks -Project Management for Freelancers and Agencies
Invoice and office utilities program for customer managment
Captures time & expense by project and account; generates invoice
Estimate software development effort with 5 different methods