Developed by: CZ.NIC

Latest version: OGRA Git repository

OGRA library

About OGRA

OGRA is a javascript library that allows display of online charts using several third party libraries using one unified format.

For better understanding you can jump directly to the examples.

Supported browsers

Most of the compatibility is based on jQuery v 1.7.1. Please visit jQuery Current Active Support for more details about supported web browsers.

Bug report

Please send bug reports and feedback to


OGRA is published under the BSD license.

Please note that you must also respect the license of the actual graphical library you use through OGRA.

List of supported graphical libraries:


© 2013 CZ.NIC