AidAim ZipForge - Free!

ZipForge is a fast ZIP compression library. With this toolkit you can easily add archive functionality
to your projects. ZipForge includes new unique technology by AidAim Software, a transaction system. This innovative solution
gives you a fast and easy way of updating archive files providing data integrity like a reliable database system. Key features:
creates archive files in wide known ZIP format by PKZIP, Inc.; native VCL, no DLLs, no OCXs; adds, moves, extracts, deletes,
updates, tests, refreshes a group of files by a single operation; free for personal use; creates self-extracting (SFX) archives;
performs regularly archive updates using transactions that allows canceling all modifications at any time in case of some
failures (also this technology optimizes the speed of the archive modification); compresses large files with low memory
consumption; comprehensive help; lots of demos.