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A file-based knowledge app with a block editor, databases, workspaces, and live collaboration.

A Markdown writing and notes app with folder and Library modes for Apple devices.

An open-source notebook for multimedia notes, attachments, and personal reference material.

Compare colour references, build complements and convert colour data.

An iPad-first tutoring board that saves lessons as A4 pages in a book for each student.

An open-source classroom whiteboard with shared rooms and private student canvases.

Structure team knowledge in a page tree with rich blocks and links to active work.

AI reader that explains confusing text in research papers

Chrome extension that saves ChatGPT conversations as PDF, Markdown, Text, CSV, JSON, or Image files.

Programming lessons with online compilers close at hand

A supplemental maths programme built around visual puzzles and animated feedback.

Interactive school maths practice, games and worksheets with class and assignment tools.

Family maths word problems and resources for bringing maths into home and school routines.

Maths worksheets and learning resources organised by topic and school grade.

Maths puzzles, logic games, spatial challenges and problem-solving activities.

Mathematical worksheets with natural notation and units

Mathematical calculators arranged by course topic

Translate LaTeX into structured XML and web publications

A maths fact programme with an online tutor and a printable partner-practice route.

Formulas and notes arranged on a mathematical worksheet

Scientific and everyday calculations with units

Mathematical calculators organized by learning topic

Symbolic and numerical mathematics with notebook interfaces

Symbolic calculation through a compact command interface