FreePlane 1.3.11 had been released (2014/06/12) and it is available for download:
Download: http://sourceforge.net/projects/freeplane/files/freeplane%20stable/freeplane_bin-1.3.11.zip/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