Some developer libraries have been ported (10/23/2014) to OS/2: gettext version 0.19.2 helps with internationalization, libiconv version 1.14 is for converting between different multi-lingual character codes, GNU MP version 6.0.0 is for for arbitrary precision arithmetic, GnuTLS version 3.3.9 is a secure communications library implementing SSL and TLS, and Nettle version 2.7.1 is a cryptographic library.
Source: OS/2 Warp News and Rumors