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A multimodal note workspace for handwriting, audio, documents, PDFs, and study materials.

An open-source desktop notebook for stylus handwriting, PDF markup, layers, and audio notes.

AI sound effect generator that turns text prompts into audio

Audio batch conversion with normalization and preview

Handwritten notes with live audio transcription and AI study tools

Organize virtual sticky notes into shared boards for brainstorming, voting, and workshops.

Write with a stylus in flexible notebooks that can also hold and annotate PDFs.

Write naturally by hand and add PDF pages to notes for markup.

A browser-based shared math canvas for handwriting, graphs, sliders, and PDF assignments.

A multi-format notebook for handwriting, PDFs, voice notes, and study documents.

A local-first knowledge notebook that combines text, handwriting, boards, and linked notes.

A tutoring classroom with an interactive whiteboard for annotating PDFs, worksheets, slides, and images together.

An open-source iPad notebook for Apple Pencil writing and PDF markup.

Write with Apple Pencil in an Obsidian vault and keep handwritten pages beside Markdown notes.

A shareable infinite drawing board for handwriting, tutoring, diagrams, and PDF markup.

Prepare annotated screenshots while keeping the editable capture source.

Capture and present Windows screenshots with an integrated design-tool set.

Capture Linux interfaces and mark the steps that matter.

Annotate and style screenshots across desktop platforms.

Lossless audio compression with tagging and error checks

Batch audio conversion with folder, tag, and sound-processing controls

A collaborative sketchboard that connects shared ideas to projects and tasks.

A developer SDK for embedding a real-time, collaborative whiteboard into web, mobile, and desktop applications.

A handwritten notebook for Apple Pencil notes, PDF markup, study tools, and creative pages.