FreePlane 1.3.12 had been released (2014/09/16) and it is available for download:
Download:
"Freeplane is a free and open source software application that supports thinking, sharing information and getting things done at work, in school and at home."

This program requires Java or OpenJDK for OS/2.
URL: http://freeplane.sourceforge.net
Source: OS/2 Warp News and Rumors