Skyfield is a pure-Python astronomy package that is compatible with both Python 3 and makes it easy to generate high precision research-grade positions for planets and Earth satellites.

The Data::Checks module provides functions that implement various value constraint checking behaviours. These are the parts made visible by the `use Data::Checks ...` import line, in Perl code.

XML Catalog Management Tool as used by Protégé.

Lazarus is an IDE to create (graphical and console) applications with Free Pascal, the (L)GPLed Pascal and Object Pascal compiler that runs on Windows, Linux, Mac OS X, FreeBSD and more.

Lazarus is an IDE to create (graphical and console) applications with Free Pascal, the (L)GPLed Pascal and Object Pascal compiler that runs on Windows, Linux, Mac OS X, FreeBSD and more.

Lazarus is an IDE to create (graphical and console) applications with Free Pascal, the (L)GPLed Pascal and Object Pascal compiler that runs on Windows, Linux, Mac OS X, FreeBSD and more.