Open source hacs projects
Every project in the registry tagged hacs, ranked by real GitHub adoption.
HACS gives you a powerful UI to handle downloads of all your custom needs.
Home Assistant Custom component to calculate estimated power consumption of lights and other appliances
This custom component for Home Assistant will add crucial features to your climate-controlling TRV (Thermostatic Radiator Valves) to save you the work of creati
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Frequently asked questions
How many open source hacs projects are there?
This registry tracks 3 projects tagged hacs, with 10,808 GitHub stars between them. The most-adopted is integration at 7,740 stars.
Are these hacs projects free to use?
Yes — 3 of the 3 carry an explicit open-source licence across 2 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which hacs project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these hacs projects still maintained?
3 of the 3 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.