ZipArchive 4.1

This library adds ZIP compression functionality to your software.
The ZipArchive Library is written in C and offers the following features:
Compression, decompression and modification of zip archives.
Segmented archives support (splitting and spanning).
Zip64 format* - practically no limits for sizes and the number of files in archives.
Unicode support* in archives compatible with WinZip.
AES encryption* - in accordance with the WinZip format.
Standard zip encryption.
BZIP2 compression algorithm* - provides a better compression ratio.
In-memory archives processing.
Progress notifications with controllable frequency of calling callbacks.
Storing and retrieving custom data in extra fields.
Possibility of bulk adding files using built-in or custom filters.
Seeking in compressed data (with certain limitations)*.
Easy API.
Source code available.
Comprehensive documentation with samples.
Available in STL (cross-platform) and MFC (Windows) versions.
Available for: Windows, Linux, Mac OS X.
Compiles under:
Microsoft Visual Studio 2010/2008/2005/2003/6.0, GCC, MinGW, C Builder.
64-bit ready.
Supports little-endian and big-endian architectures.
Can be used in C /CLI applications.