Software That Is Readily Available With No Charge
Puzzle 13 of Sci-fi Universe Medium Pack
Question is: Software That Is Readily Available With No Charge
and the answer is: FREEWARE
Word Meaning:
FREEWARE — (software) Complete and functional software that does not require payment or other compensation (such as viewing advertising) for its use. Freeware may be a proprietary license with no access to the source code.
Definitions from Wiktionary.