Calcpad

About

Calcpad is a lightweight, free, and open-source mathematical platform developed in Bulgaria, designed for both cloud and desktop environments. Launched as open source in January 2022, it specializes in parsing simple text scripts to generate professional HTML reports, with additional functionality to export to Word. The platform offers extensive support for complex numbers, variables, functions, graphing, units, and various numerical methods, making it a versatile tool for engineering and structural calculations. Its comprehensive feature set includes a graphing calculator, math solver, unit converter, and the ability to import CSV data, all while emphasizing user privacy with no registration, no tracking, and offline functionality. Calcpad is portable and provides WYSIWYG support, available on Windows (requiring .NET 8.0), Linux (via Sublime + Chromium for non-GUI use), and online. Users praise its simplicity, ease of learning, and effectiveness for engineering calculation notes. While specific details regarding its founding history, leadership, revenue, employee count, market position, and competitors are not available, its presence on GitHub (github.com/Proektsoftbg/Calcpad) underscores its community-driven, open-source nature within the technology sector.