Lightweight Windows annotation tool enabling live drawing, shapes, spotlights, magnification, and click-through overlays, with PDF/image export, portable mode, multi-board backgrounds, and no subscription or registration for seamless presentations.


MarkerOn is described as 'Lightweight, open-source desktop screen annotation app for demos, teaching, meetings, and recordings. Press a global hotkey to draw over any application, use nine annotation tools including a laser pointer, switch to click-through mode while keeping annotations' and is an app. There are seven alternatives to MarkerOn for Windows, Linux, PortableApps.com, Ubuntu and Mac. The best MarkerOn alternative is RePen, which is both free and Open Source. Other great apps like MarkerOn are ZoomIt, gInk, Epic Pen and ppInk.
Lightweight Windows annotation tool enabling live drawing, shapes, spotlights, magnification, and click-through overlays, with PDF/image export, portable mode, multi-board backgrounds, and no subscription or registration for seamless presentations.


ZoomIt is screen zoom and annotation tool for technical presentations that include application demonstrations. ZoomIt runs unobtrusively in the tray and activates with customizable hotkeys to zoom in on an area of the screen, move around while zoomed, and draw on the zoomed...


Turn your desktop into a workspace with Epic pen's intuitive drawing tools, enabling free-hand annotation over any app. Supports Windows platform with lightweight features, offline usability, screenshot capture, and comprehensive hotkey functionalities for seamless interaction.




Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as Wayland.



Screen annotation software which allows drawing directly on the screen. It is an open source and multiplatform (all systems that support Python) alternative to tools such as Epic Pen.
