1and1Mail vs ZK Spreadsheet

A side-by-side look at 1and1Mail and ZK Spreadsheet. For an in-depth review of either product, follow the links below.

1and1Mail

Online Services

1and1Mail is a free email service provided by 1&1 that offers users an @1and1.com email address with 15GB of storage space. It has a clean, ad-free interface and useful features like IMAP/POP support, spam filtering, email aliases, and automatic sorting.

emailfreewebmail1and1

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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

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