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

FLEX - An in-app debugging and exploration tool for iOS.

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

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

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

GovPilot - GovPilot is a cloud-based government management platform that aims to improve the efficiency and performance of governmental organizations with an affordable and scalable software-as-a-service (SaaS).