Chilkat Create Self-Extracting EXE from Zip 

Create self-extracting ZIP files optionally with unbreakable AES encryption.
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ZipZag 

Handles archives of most formats: Zip, 7Zip, Ace, Arc, Arj, Bin, Bz2, Bzip2, Cab, Cpio, Deb, Gca, Gzip, Hqx, Ice, Jar, Lha, Lzh, Ntx, Pak, Pk3, Rar, Rpm, Sqx, Tar, Taz, Tbz2, Tgz, Wad, War, Wba, Wmz, Wsz, Dxtheme, Iptheme, Logonxp, Obpack, and more.
zip 7z 7zip arj ace bz2 bzip2 cab cbr cbz deb gca gz gzip

Chilkat Real-Time Compression Component 

Chilkat RT Compress is a free COM component offering real-time memory-to-memory compression and decompression.
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