Lightweight (~1.5 MB) open-source screen annotation with click-through mode and keyboard-first shortcuts. For demos, teaching, meetings & screen recording. Windows, macOS.
ifer47/markeron has 979 GitHub stars.
It currently ranks #40448 daily, #40547 weekly, #41373 monthly by momentum on Trending Repos; its best-ever rank is #60.
Trending Repos first recorded it on Jul 6, 2026.