Timeline
2014, Jun Adding a RTL support. Enhancing theming support. Open sourcing the code via GitHub. Managing translations via Transifex.
2014, Apr Adding a support for equatorial latitudes. Generating the set of HTML pages instead of PDF outputs for printing purposes.
2012, Feb Releasing the Planisphere as an SVG based web application with Unicode support and rendering both graphics and PDF outputs using SVG templates.
2004, Oct Implementing Milky Way and Ra/Dec coords.
2004, Apr Adding a support for the southern hemisphere.
2003, Mar Releasing the first version. At that time as an OpenGL based Windows desktop application.
2002, May Writing first few lines of code :-)
Planisphere > Acknowledgment

Acknowledgment

This tool would have never been spread so widely without translations into various languages.

Let me thank to all volunteers (alphabetically by countries):

Kudos to all!