RedCrab Calculator
redcrab-software.comFormulas and notes arranged on a mathematical worksheet
Formulas and notes arranged on a mathematical worksheet
AI-native Markdown notes with encrypted sync for developers
Mathematical problem entry with a structured symbol palette
AI math solver and tutor with step-by-step answers, PDF homework help, and study tools.
Mathematical problem solving with displayed working
Teach on an infinite shared canvas with subject tools, document conversion, and reusable board templates.
AI platform for schools, teachers and students
Language videos with worksheets, podcasts and pronunciation practice.
A distraction-free Markdown editor for writing notes as readable documents.
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.
Turns everyday work, drawings, recordings, and observations into a living developmental profile for each child.
English explanations and exercises indexed by topic and level.
Eduaide is an AI toolkit for K-12 teachers to create lesson plans, assessments, and classroom materials.
Compare colour references, build complements and convert colour data.
Arithmetic, finance and practical calculation worksheets
Structure team knowledge in a page tree with rich blocks and links to active work.
AI reader that explains confusing text in research papers