Another nice piece of source code from the Code Project. This is an ATL-based control for reading, writing, and manipulating Zip files.

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Patrick Craig has an interesting tale to tell. Without being a data compression expert, he managed to beat the $5000 compression challenge. You won’t see him taking an ocean cruise with his winnings, though. DCL reader commented: The challenge was obviously met.

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The submitter said: SBC is Burrows Wheeler Transform based file archiver. It’s one of the fastest BWT implementations with high compression ratio. SBC also introduces a high security options with a number of strong encryption algorithms.SBC appears to be shareware. Comment from a DCL user: Cool archiver; the author has made great […]

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The home page describes Kakadu thus: A comprehensive, heavily optimized, fully compliant software toolkit for JPEG2000 developers
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DataCompression.info user Tim A. gushed: A very fast implementation with a small memory footprint compared to Jasper and even other commercial implementations. Also handles large files better than all others I have tried. Very well done with […]

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Lossy data compression which can reduce input files to 0% of their size. Hint: product was released April 1, 2000. DCL reader Tim A. marvels: Wow! it’s even faster than tarring to /dev/null!

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This web page shows a set of images that the author uses to demonstrate the performance of the Eri compressor. The claim is that Eri32 does better on these 24 bit color images than any other lossless compressor.

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