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Project Open vs Simple Invoices

A side-by-side look at Project Open and Simple Invoices. For an in-depth review of either product, follow the links below.

Project Open

Project Open

Office & Productivity

Project Open is an open-source project management software that helps teams plan, track, and manage projects and tasks. It offers Gantt charts, Kanban boards, time tracking, resource management, and reporting.

opensourceproject-managementtask-managementresource-management
Simple Invoices

Simple Invoices

Business & Commerce

Simple Invoices is an easy-to-use invoicing and billing software for small businesses and freelancers. It allows you to create professional invoices, track payments, expenses and view financial reports.

invoicingbillingpaymentsexpensesreports