MuPDF tools
mupdf.readthedocs.ioRender, inspect, extract, and restructure PDFs from a terminal
Render, inspect, extract, and restructure PDFs from a terminal
Free footage, sound and templates with separate asset licences
WordPress contact, payment, and feedback forms built from fields or templates
Generate PDFs and images from reusable templates or HTML
Merge application data into reusable document layouts
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.
Merge JSON data into document templates and convert the output
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.
AI email tool that writes and designs emails for Klaviyo.
A handwriting notebook that links notes and searches handwriting, Markdown, and PDF text.
An open-source academic notebook that brings Markdown notes, PDF annotations, and literature management together.
Plan team projects with tasks, templates, reports, and DingTalk collaboration.
A handwriting notebook with note-linked audio, handwriting recognition, and PDF annotation.
Note taking tool with flashcards, PDF annotation, and AI study features
An iPhone and iPad notebook for handwriting, PDF markup, audio notes, and searchable study material.