grokability / snipe-it

A free open source IT asset/license management system

InvoicePlane / InvoicePlane

A self-hosted open source application for managing your invoices, clients and payments.

kanboard / kanboard

Kanban project management software

kimai / kimai

Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org

invoiceninja / invoiceninja

A source-available invoice, quote, project and time-tracking app built with Laravel

SuiteCRM / SuiteCRM

SuiteCRM - Open source CRM for the world