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Arrange PDF pages for several booklet and binding schemes

Receipt scanning app and mail in scanning service for expense tracking.

AI essay grading with rubric-based feedback for teachers and schools.

IB and MYP exam prep with question banks, notes, and AI feedback

AI research tools for finding papers and generating cited reports.

Serverless hosting for open language models through one API key.

Digital sheet-music organisation for Apple devices

School-exam past papers and revision resources across sciences, maths, English and other subjects.

Reflow PDFs and DjVu documents for smaller screens

Scan documents into searchable, organized PDFs

Automatically crop PDF margins with detailed controls

Pen-oriented PDF markup with review and sharing tools

A mobile time clock that can automatically punch workers in and out at scheduled job geofences.

Math and personal-finance calculation tools

A notepad that calculates alongside written working

Mechanical-design calculators with documented methods

Household carbon arithmetic with visible assumptions

Natural-language calculation beside short notes

Scientific expressions with dimensions checked as types

Molecular-biology quantities with visible formulas

Mathematical calculators arranged by course topic

Art materials sold in individual and project-sized formats

PDF editing with desktop, online, and scanner apps

UK home-energy research with calculators and regional tools