Open source Moodle plugins are often described as “free”. Free to download, free to use, free to modify. What is mentioned less often is that they are rarely free to maintain. Especially not in environments where stability, compliance, and long-term reliability are non-negotiable.
Moodle is one of those environments.
Universities, schools, and public institutions depend on Moodle every day. Courses, assessments, admissions processes, and student guidance systems are built on top of it. When a plugin fails, it does not fail quietly. It affects real workflows, real people, and real decisions. This makes open source Moodle plugins a special category of software: they must be predictable, well documented, and maintained across many Moodle release cycles.
This is the focus of Aeternum Modulae.
Aeternum Modulae develops open source Moodle plugins designed for long-term use. The emphasis is not on experimental features or rapid churn, but on stability, clarity, and responsible maintenance. Each plugin aims to solve a concrete problem and to keep solving it reliably over time.
All plugins are published under the GPL and remain fully open source. The complete codebase is available on GitHub:
https://github.com/AeternumModulae
Transparency is essential. Institutions and administrators must be able to inspect the code they rely on, assess its quality, and integrate it confidently into their systems. Open source Moodle plugins only work as intended when trust is built through openness and consistency.
However, code alone is not enough.
Maintaining open source Moodle plugins means tracking Moodle core changes, fixing edge cases, improving documentation, responding to issues, and making careful design decisions that prioritize stability over novelty. This work requires time and sustained attention, even when the software itself remains free to use.
For users and institutions who want to support this ongoing work, Aeternum Modulae offers a voluntary support option via Patreon:
https://www.patreon.com/c/AeternumModulae
Patreon is not a paywall. All stable releases of the open source Moodle plugins remain publicly available. Support contributions help fund maintenance, early testing, roadmap planning, and faster feedback cycles. They support the work around the software, not exclusive access to it.
Supporters gain insight into development priorities and help shape the direction of future improvements. More importantly, they help ensure that open source Moodle plugins remain dependable tools rather than short-lived experiments.
Open source is strongest when responsibility is shared. Some contribute code. Others contribute testing, feedback, or financial support. All of these contributions help create software that institutions can rely on year after year.
More information about current plugins and documentation is available at:
https://aeternummodulae.com/
Open source Moodle plugins do not have to be fragile. But they do require care, commitment, and continuity.

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