Free Desktop book-keeping software for small-businesses & freelancers
Free and Open Source Invoicing, Expenses & Time-Tracking
Kimai is a web-based multi-user time-tracking application
Accounting & Best Practice Business Administration System
Small Business Appliance
Fullstack open source Invoicing application made with MongoDB
Open-source and self-hosted CRM platform based on Laravel 5
Keep track of all your job costs, make sure you don't lose money