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Invoice Ninja vs ZK Spreadsheet

A side-by-side look at Invoice Ninja and ZK Spreadsheet. For an in-depth review of either product, follow the links below.

Invoice Ninja

Invoice Ninja

Business & Commerce

Invoice Ninja is an open-source invoicing, expenses, and time-tracking app designed for freelancers and small businesses. It allows you to create professional invoices, track payments and expenses, manage projects, and accept online payments.

invoicingaccountingbillingpaymentsexpenses
ZK Spreadsheet

ZK Spreadsheet

Office & Productivity

ZK Spreadsheet is an open-source spreadsheet software that is fast, lightweight and feature-rich. It is written in Java and offers Excel-comparable functions, charts, pivot tables, collaboration features and data bindings.

spreadsheetexcelchartspivot-tablescollaborationdata-binding