Easy!Appointments - Self Hosted Appointment Scheduler
Free and Open Source Invoicing, Expenses & Time-Tracking
Free self-hosted help desk & shared mailbox
Project management and issue tracking system written in PHP
The ERP and CRM, multi language, for freelancers
Web based groupware server written in PHP
Free & Opensource Laravel CRM solution for SMEs and Enterprises
A self-hosted open source application for managing your invoices
EspoCRM – Open Source CRM Application
SuiteCRM - Open source CRM for the world
All in One PSA for MSPs, which Unifies client, contact, vendor, etc.
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Empower your hosting business with FOSSBilling
Simple and elegant invoicing solution
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An open source eCommerce plugin for WordPress
Modern open-source time-tracking app
VICIdial Contact Center Suite
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Powerful Open Source Email Marketing app with analytics & segmentation
Best open source helpdesk & shared mailbox
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