UPX v3.07 is released. UPX is a free, portable, extendable, high-performance executable packer for several different executable formats. It achieves an excellent compression ratio and offers very fast decompression. Your executables suffer no memory overhead or other drawbacks for most of the formats supported, because of in-place decompression. UPX is copyrighted software distributed under the terms of the GNU General Public License, with special exceptions granting the free usage for commercial programs as stated in the UPX License Agreement.UPX uses the NRV compression library for compression services. A compatible but somewhat less efficient OpenSource implementation is available through the UCL compression library. UPX aims to be Commercial Quality Freeware.

08 Sep 2010: UPX 3.07 has been released. It is a minor 3.0x maintenance release to version 3 whose major additions were: * optional LZMA compression * support for BSD systems To know more about this release, see the detailed changelog. Please report all problems and bugs in our bug tracker. Share and enjoy, Markus, László & John

Download: UPX v3.07
Source:Here