MarkerOn
PulseGate's liveness check found it on 14 Oct 2026; it is registered on GitHub and has been in the index since 11 Jul 2026. How this is checked
MarkerOn is an open-source screen annotation tool designed for use on Windows, macOS, and Linux. It is intended for scenarios such as demos, teaching, meetings, and recordings, allowing users to draw directly over any application window. The tool emphasizes a keyboard-first workflow, enabling quick access to annotation features through shortcuts. For example, users can launch annotation mode with a specific key combination and switch tools or adjust settings without…
Inferred · not functionally tested
Overview
6 featuresPurpose: Annotating and highlighting content on the screen during demos, teaching, meetings, and recordings without interrupting workflow.
Inferred · not functionally tested
Audience: teachers, presenters, and anyone needing live screen annotation
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown
Recorded constraints: pricing: open_source · license: MIT · platforms: WEB · deployment: browser, windows, macos, linux
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: markeron.cn · github.com. These links do not verify the individual claims.
MarkerOn is a Screen recording & capture project. Inferred · not functionally tested: It focuses on annotating and highlighting content on the screen during demos, teaching, meetings, and recordings without interrupting workflow. Inferred · not functionally tested: MarkerOn is an open-source project aimed at teachers, presenters, and anyone needing live screen annotation. Basis unknown · not verified: MarkerOn is open source under the MIT license. Basis unknown · not verified: It runs on the web, Windows, macOS, and Linux.
It is developed by ifer47 (China), and it first shipped in 2026. The project is developed in the open on GitHub with 329 stars and 202 commits in the last 90 days. Inferred · not functionally tested: Key capabilities include screen annotation, click-through mode, and whiteboard mode.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- Screen annotation
- Click-through mode
- Whiteboard mode
- Keyboard shortcuts
- System tray integration
- Undo/redo
Topics: Inferred · not functionally tested
Built with & integrations
Trust & compliance
Indexing history
What PulseGate has recorded for this listing
Frequently asked questions about MarkerOn
- What is MarkerOn?
- Inferred · not functionally tested: MarkerOn focuses on annotating and highlighting content on the screen during demos, teaching, meetings, and recordings without interrupting workflow. It is catalogued under Screen recording & capture on PulseGate.
- Who is MarkerOn for?
- Inferred · not functionally tested: MarkerOn is an open-source project built for teachers, presenters, and anyone needing live screen annotation.
- Does MarkerOn have a free plan?
- Basis unknown · not verified: Yes — MarkerOn is open source under the MIT license and free to use.
- What platforms does MarkerOn run on?
- Basis unknown · not verified: MarkerOn runs on the web, Windows, macOS, and Linux.
- Is MarkerOn still active?
- PulseGate's liveness check found it on 14 Oct 2026. Its GitHub repository shows 202 commits in the last 90 days.
- Who develops MarkerOn?
- MarkerOn is developed by ifer47, based in China.
- How long has MarkerOn been around?
- MarkerOn first shipped in 2026.
- Is MarkerOn open source?
- Basis unknown · not verified: Yes — MarkerOn is open source under the MIT license, developed on GitHub.
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