Invoicing for freelancers & small businesses

GNU General Public License v3.0

upcount

titra - modern open source project time tracking for freelancers and small teams

GNU Affero General Public License v3.0

titra

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.

dolibarr

GitScrum is a Project Management Tool, developed to help entrepreneurs, freelancers, managers, and teams Skyrocket their Productivity with the Agile methodology and Gamification.

MIT License

laravel-gitscrum

Kimai is a web-based multi-user time-tracking application. Works great for everyone: freelancers, companies, organizations - everyone can track their times, generate reports, create invoices and do so much more. SaaS version available at https://www.kimai.cloud

kimai

Other

Librelancer

Android task manager for freelancers and other people, who wants to manage own time.

GNU General Public License v2.0

TasClock

Open source time tracking, invoicing & expenses management for freelancers