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davidliebtag.com provides tools that supplement APL and other array processing systems.

The primary product is the Array Editor, a tool for editing arbitrary arrays. Using the Array Editor, you can edit arrays containing characters, numbers and other arrays. The Array Editor supports modifying character and numeric data, applying language primitives and copying and pasting array elements. It runs on a variety of array processing systems and supports the copying of data between them.

davidliebtag.com also provides consulting services, specialising in high performance extensions to array processing systems. If you need access to an operating system facility or other product that your system does not support, a high performance interface can be built to your specifications. The company also provides turnkey tools or source code which you can adjust for your needs.