dbExpress is a database-independent layer that defines common interface to provide fast access to PostgreSQL from Delphi and C++Builder, including Community Edition, on Windows and macOS (32-bit and 64-bit) and Linux (64-bit) platforms.
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PocketChart is a component for the .NET compact framework that helps you create and present workflow, flowchart and process diagrams, database ER diagrams, organizational, hierarchy and relationship charts, network schemes, graphs and trees.
Downloads: 88176 - Commercial - Download Now

File system control filter can control the file activities, which you can intercept the file system call, modify its content before or after the request goes down to the file system, allow/deny/cancel its execution based on the filter rule.
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CallbackProcess is a Windows SDK (library) which includes a system registry filter driver to track and control process and thread creation, termination or manipulation.
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Fast, highly optimized implementation of popular checksum algorithms: CRC32, CRC16, CRC16C (CRC-CCITT). The library allows to calculate checksums for files, memory blocks, strings, streaming data.
Downloads: 107201 - Shareware - Download Now