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Create modular technical documentation and publish it across languages and channels.

VidStats is a YouTube analytics platform with real-time tracking, competitor analysis, and creator tools.

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

A visual knowledge notebook for connecting research, highlights, and ideas on whiteboards.

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

A teaching whiteboard with video calls, lesson materials, and PDF or image annotation.

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.

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

Handwritten study notes, PDF markup, audio capture, and AI-assisted review for students.

Write and annotate handwritten notes on Android with page layouts, linked notes, and PDF tools.

Free conversion between lossless and lossy audio formats

Convert music libraries while retaining tags and folder structure

PDF remediation with automatic tagging and guided review

Create and automate PDFs on Windows

PDF content editing and organization on Windows and mobile

Audio tagging with batch edits and automation

Organize and batch-edit a photo collection

Compare compressed image copies in real time

AI presentation maker that turns prompts or files into editable slides

Store packet captures with searchable session metadata

An open emoji library with color fonts, image assets and metadata.

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

Read study PDFs and make notes as part of one annotation workflow.