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Maple Linux is a Canadian maintained, Debian based distro. It ships with Cinnamon DE for an easy transition for Windows users, and includes additional security and privacy enhancements out of box. Learn more at maplelinux.ca

Mattermost is an open-source, self-hostable online chat service with file sharing, search, and integrations. Designed as an alternative to Slack, it was founded by a Canadian-led team and is widely used by enterprises and governments for secure communications.

Koha is the world's first free and open-source integrated library system. Canadian public and academic libraries have been among its largest adopters and contributors, with Canadian companies providing support and development.

The Digital Research Alliance of Canada (formerly Compute Canada) manages national HPC clusters running customized Slurm workload manager configurations and contributes open-source tooling for scientific computing. Their open-source stack powers university research across the country.

OpenHMD is a free and open-source API and drivers for immersive technology such as head-mounted displays (VR/AR). Canadian developers have been central contributors, and the project supports a wide range of VR headsets on Linux.

Vanilla Forums is an open-source community forum software designed for ease of use and extensibility. Founded in Montreal, it powers thousands of community platforms worldwide, with a strong plugin ecosystem and modern design.