ANTLR - ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for...

Accela - Accela provides government software that streamlines land, permitting, asset, licensing, legislative management, and resource management.

Bison - GNU Bison, commonly known as Bison, is a parser generator that is part of the GNU Project.

CivicPlus - CivicPlus offers government website design and development services.

parboiled - Elegant PEG parsing in Java - lightweight, easy-to-use, powerful.

AWS GovCloud - Isolated AWS Region designed to allow US government agencies and customers to move sensitive workloads into the cloud.