Tables is a free software

Free software

Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do...

 spreadsheet

Spreadsheet

A spreadsheet is a computer application that simulates a paper accounting worksheet. It displays multiple cells usually in a two-dimensional matrix or grid consisting of rows and columns. Each cell contains alphanumeric text, numeric values or formulas...

 application that is part of Calligra Suite, an integrated graphic art and office suite

Office suite

In computing, an office suite, sometimes called an office software suite or productivity suite is a collection of programs intended to be used by knowledge workers...

 by KDE

KDE

KDE is an international free software community producing an integrated set of cross-platform applications designed to run on Linux, FreeBSD, Microsoft Windows, Solaris and Mac OS X systems...

.

Among Tables's features are multiple sheets per document, assorted formatting possibilities, support for more than 300 built-in functions, templates, chart, spell-check, hyperlinks, data sorting and scripting with Python

Python (programming language)

Python is a general-purpose, high-level programming language whose design philosophy emphasizes code readability. Python claims to "[combine] remarkable power with very clear syntax", and its standard library is large and comprehensive...

, Ruby

Ruby (programming language)

Ruby is a dynamic, reflective, general-purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features. Ruby originated in Japan during the mid-1990s and was first developed and designed by Yukihiro "Matz" Matsumoto...

 and JavaScript

JavaScript

JavaScript is a prototype-based scripting language that is dynamic, weakly typed and has first-class functions. It is a multi-paradigm language, supporting object-oriented, imperative, and functional programming styles....

.

Tables's native file format has been OpenDocument

OpenDocument

The Open Document Format for Office Applications is an XML-based file format for representing electronic documents such as spreadsheets, charts, presentations and word processing documents....

 since version two and previously used its own XML

XML

Extensible Markup Language is a set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specification produced by the W3C, and several other related specifications, all gratis open standards....

 format, compressed with ZIP. Tables also has the ability to import several spreadsheet formats, including XLS (Microsoft Excel

Microsoft Excel

Microsoft Excel is a proprietary commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications...

), Applix Spreadsheet, Quattro Pro

Quattro Pro

Quattro Pro is a spreadsheet program developed by Borland and now sold by Corel, most often as part of Corel's WordPerfect Office.Historically, Quattro Pro used keyboard commands similar to Lotus 1-2-3. It is commonly said to have been the first program to use tabbed sheets. Actually, Boeing Calc...

, CSV

Comma-separated values

A comma-separated values file stores tabular data in plain-text form. As a result, such a file is easily human-readable ....

, dBase, Gnumeric

Gnumeric

Gnumeric is a spreadsheet program that is part of the GNOME Free Software Desktop Project. Gnumeric version 1.0 was released December 31, 2001. Gnumeric is distributed as free software under the GNU GPL license; it is intended to replace proprietary and other spreadsheet programs such as Microsoft...

, SXC (OpenOffice.org XML

OpenOffice.org XML

OpenOffice.org XML is an open XML-based file format developed as an open community effort by Sun Microsystems and other OpenOffice.org project contributors in 2000-2002. The open-source software application suite OpenOffice.org 1.x and StarOffice 6 used the format as their native and default file...

), Kexi and TXT. It supports export of OpenDocument Spreadsheet, SXC, Tables document, CSV, HTML, Gnumeric, TeX and TXT. Tables does not support export of XLS (as of version 1.6.3).

KChart

KChart is the chart

Chart

A chart is a graphical representation of data, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart"...

ing tool of Calligra Suite.

The plug-in is relatively simple compared to other office applications such as OpenOffice.org

OpenOffice.org

OpenOffice.org, commonly known as OOo or OpenOffice, is an open-source application suite whose main components are for word processing, spreadsheets, presentations, graphics, and databases. OpenOffice is available for a number of different computer operating systems, is distributed as free software...

, being designed for small datasets, and using only the most common 5-6 types of chart (histogram

Histogram

In statistics, a histogram is a graphical representation showing a visual impression of the distribution of data. It is an estimate of the probability distribution of a continuous variable and was first introduced by Karl Pearson...

s, pie chart

Pie chart

A pie chart is a circular chart divided into sectors, illustrating proportion. In a pie chart, the arc length of each sector , is proportional to the quantity it represents. When angles are measured with 1 turn as unit then a number of percent is identified with the same number of centiturns...

s, line chart

Line chart

A line chart or line graph is a type of graph, which displays information as a series of data points connected by straight line segments. It is a basic type of chart common in many fields. It is an extension of a scatter graph, and is created by connecting a series of points that represent...

s, etc.)