Freeware/File Compression

Name	Contains PUP?	Description
7-Zip	No	7z is a compressed archive file format that supports several different data compression, encryption and pre-processing filters. The 7z format initially appeared as implemented by the 7-Zip archiver. Both the 7-Zip program and a library to read the 7z file format are publicly available under the terms of the GNU Lesser General Public License.
IZArc	No	IZArc is the ultimate freeware archive utility supporting many archive formats like: 7-ZIP, A, ACE, ARC, ARJ, B64, BH, BIN, BZ2, BZA, C2D, CAB, CDI, CPIO, DEB, ENC, GCA, GZ, GZA, HA, IMG, ISO, JAR, LHA, LIB, LZH, MDF, MBF, MIM, NRG, PAK, PDI, PK3, RAR, RPM, TAR, TAZ, TBZ, TGZ, TZ, UUE, WAR, XXE, YZ1, Z, ZIP, ZOO. With a modern easy-to-use interface, IZArc provides support for most compressed and encoded files, as well as access to many powerful features and tools. It allows you to drag and drop files from and to Windows Explorer, create and extract archives directly in Windows Explorer, create multiple archives spanning disks, creating self-extracting archives, repair damaged zip archives, converting from one archive type to another, view and write comments and many more. IZArc has also build-in multilanguage support.
Ultimate Packer for eXecutables ("UPX")	No	UPX is a free, portable, extendable, high-performance executable packer for several executable formats.