Open Source Software Library

OSGeo Canada (OSGeo Local Chapter) actively promotes and contributes to GeoServer and the broader open geospatial software stack. Natural Resources Canada and provincial governments use and contribute to GeoServer for publishing geospatial data through standard OGC web services.

QGIS is the leading free and open-source desktop GIS application. Canadian government agencies, universities, and environmental organizations are among the world's largest QGIS user communities. Natural Resources Canada, Parks Canada, and multiple provincial mapping agencies have contributed data, plugins, and development.

Axiom is a free, open-source computer algebra system with a long history. Canadian mathematicians supported through NSERC (Natural Sciences and Engineering Research Council) have contributed significantly to its formal mathematics libraries and documentation.

Pidgin is a free and open-source multi-protocol instant messaging client. Canadian open-source developers have long been contributors to Pidgin and its underlying libpurple library, which supports dozens of chat protocols.

OpenStax provides free, peer-reviewed open-source textbooks. Toronto Metropolitan University (TMU) and several other Canadian institutions are active contributors to the platform's open educational resources and have helped adapt content for Canadian curricula.

Developed by the National Research Council of Canada, the NRC Word-Emotion Association Lexicon (EmoLex) is a widely-cited open linguistic resource mapping words to emotions and sentiments. It is freely available for research and has been used in thousands of NLP studies worldwide.

OSCAR EMR (Open Source Clinical Application Resource) is a Canadian-developed open-source electronic medical records system used by thousands of primary care physicians across Canada. Developed at McMaster University, it supports bilingual interfaces and Canadian-specific clinical workflows including OHIP billing.

Accessible, multilingual front-end framework used across Government of Canada websites.

Web components for the Government of Canada Design System.

API backend for GC Notify, a notification platform for government services.