TOPCAT icon
TOPCAT icon

TOPCAT

It offers a variety of ways to view and analyse tables, including a browser for the cell data themselves, viewers for information about table and column metadata, and facilities for sophisticated interactive 1-, 2-, 3- and higher-dimensional visualisation, calculating statistics...

Windows of TOPCAT

Cost / License

  • Free
  • Proprietary

Platforms

  • Mac
  • Windows
  • Java
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TOPCAT information

  • Developed by

    GB flagMark Taylor (Physics Department from the University of Bristol)

  • Licensing

    Proprietary and Free product.

  • Alternatives

    21 alternatives listed

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  • Supported Languages

    • English

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TOPCAT was added to AlternativeTo by Jacob Sierra Díaz on and this page was last updated .
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What is TOPCAT?

It offers a variety of ways to view and analyse tables, including a browser for the cell data themselves, viewers for information about table and column metadata, and facilities for sophisticated interactive 1-, 2-, 3- and higher-dimensional visualisation, calculating statistics and joining tables using flexible matching algorithms. Using a powerful and extensible Java-based expression language new columns can be defined and row subsets selected for separate analysis. Table data and metadata can be edited and the resulting modified table can be written out in a wide range of output formats.

It is a stand-alone application which works quite happily with no network connection. However, because it uses Virtual Observatory (VO) standards, it can cooperate smoothly with other tools, services and datasets in the VO world and beyond.

The program is written in pure Java and available under the GNU General Public Licence, though some of the library code is LGPL. It has been developed mostly in the UK within various UK and Euro-VO projects (Starlink, AstroGrid, VOTech, AIDA, GAVO, GENIUS, DPAC) and under PPARC and STFC grants. Its underlying table processing facilities are provided by the related packages STIL and STILTS.