Discover · not made by us, picked by us
AAmphetamine
The gold standard for keeping a Mac awake.
FreemacOSutilities · power
✓Why we picked it
Free, mature, endlessly configurable. Triggers, schedules, scripting. If your Mac must stay awake with the lid open, this is the tool.
◇The catch
The closed-lid case needs a separate companion app or workaround.
We make one too
Full disclosure: Insomniac is ours, and it plays in the same space. Read the honest comparison: Amphetamine wins some rows.
Insomniac
Icon © the Amphetamine team, from their public site. Listed free, no payment, no affiliation.