Texstudio v2.6.4 has been ported (2013/06/06) to OS/2.
TeXstudio is a platform-independent LaTex editor which gives you advanced possibilities to write your texts.
Link: ftp://ftp.netlabs.org/pub/qtapps/texstudio-2.6.4-os2.7z
Requires Qt4: http://svn.netlabs.org/qt4
Ported by Elbert Pol.