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GNU PSPP - A program for statistical analysis of sampled data. There are no additional packages to purchase in order to get “advanced” functions; all functionality that PSPP currently supports is in the core package.

How to do GNU Screen -- a tool that maintains a persistent session, even if you get booted, you can log in later and pick up where you left off.

CaptureIt Plus is an easy to use screen capture utility for Windows Platform. Helps to capture screen in various modes.