VirtualBox 4.3October 15, 2013
Oracle has announced virtualbox 4.3. Changes include usb touch device support, video capturing support, performance improvements and many bugfixes.
Samba 4.1October 13, 2013
Samba has released a new version.
GNU Make 4.0October 9, 2013
GNU has released version 4.0 of Make
Dropbox 2.4.1October 4, 2013
Dropbox has announced version 2.4.1, and they do have release notes.
GNU RSC 5.9.1
GNU just announced a minor release of their revision control system RCS.
GMP 5.1.3October 3, 2013
The GNU Multiple Precision Arithmetic Library (GMP) has announced maintainence release 5.1.3 – fixing two bugs according to the release notes.