zlib is designed to be a free, general-purpose, legally unencumbered -- that is, not covered by any patents -- lossless data-compression library for use on virtually any computer hardware and operating system. The zlib data format is itself portable across platforms. Unlike the LZW compression
... [More] method used in Unix compress(1) and in the GIF image format, the compression method currently used in zlib essentially never expands the data. (LZW can double or triple the file size in extreme cases.) zlib's memory footprint is also independent of the input data and can be reduced, if necessary, at some cost in compression. [Less]
UPX (the Ultimate Packer for eXecutables) 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 because
... [More] of in-place decompression.
UPX aims to be Commercial Quality Freeware. [Less]
JDiveLog is a logbook for scuba diving written in Java. It manages all important dive data, as well as the pictures taken during the dive. Features include import of UDCF data, data from Suunto/Uwatec computers, profile generation, web page generator.
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