Open Source BSD Calculators

PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script.

phpipam is an open-source web IP address management application (IPAM). Its goal is to provide light, modern and useful IP address management. It is php-based application with MySQL database backend, using jQuery libraries, ajax and some HTML5/CSS3 features.

An automated, Web based IP address management (IPAM) software. It features powerful search and filter functions for both networks and host, as well as many tools (e.g. a subnet calculator) helping Administrators to plan and handle complex IP networks

BigAl is a free open source and platform independent software for calculating really BIG numbers. It supports not only standard arithmetic, but also exact period determination, predefined factorials, fibonacci with seeds, factorization, nth root, etc

Goal of this project is, creating a calculator that can handle all date and time operations that a user may need. You can operate with milliseconds as months, years or dates. Examples: 2013-11-25 + 3d => 2013-11-28 2013-11-25 - 2013-10-20 => 36d 1h 5h + 6h => 11h 1382220000t => 2013-10-20

Calculator software helping to determine L-T4 and L-T3 substitution dosage according to the algorithms provided by the European Thyroid Association (ETA).

Easy-to-use command-line calculator for basic and scientific calculations.

The BE-Calculator is a Java application, written to ease the average diabetic's life. It currently only calculates how many I.U. you have to inject, but aims at providing a full, multilingual diabetic's diary. This project has been superseded by GGC!

Baculator is a Reverse Polish Notation (RPN) calculator program with an infinite scrollable stack and support for most common mathematical operations as well as some more esoteric operations. Available for Unix/Gtk+, Mac OS X, and MS Windows.

The Calculator File-Xferer, transfers files from and to a casio calculator through a serial interface.

Cocktail Alcohol Calculator is a little tool for a barmiss or a bartender to calculate the amount of alcohol in a cocktail or another mixed alcoholic drink.

Easy Funktion is an easy to use function plotter that supports complex numbers as well as real numbers. Additional features are equation solving, approximation functions and a built in pocket calculator.

My goal is to develop an almost true copy of the HP 32II Calculator. This includes equation solving and integrating and keycode programming.

Multilanguage calculator for movable holidays (eg. Eastern) on the Sharp Zaurus.

The ISOTOPIC PATTERN CALCULATOR is a small linux tool for mass spectrometry. It calculates the isotopic distribution for a given chemical formula or peptide sequence. GIPS is a GUI Version of the Isotopic Pattern Calculator.

JCalc is a large Calculator written in Java. It support the standard basic opations (+,-,*,/) and the scientific calculator (sin, cos, tan, sqrt, ...). Calculate and translate with the different numbering systems. And it can solve simple equations.

A little calculator applet for the kicker

Programmable scientific desctop calculator, able to work in decimal, hex, octal and binary bitwise logical functions implemented

A basic loan/credit calculator written in qt 4.x for linux but could also be ported to windows/mac.

Web-based nutrition calculator for adult intensive care patients (for enteral and parenteral nutrition).

The fast powerful CALC is a desktop scientific calculator, still is under development and tests. The objective is offer a good and easy to use mathematical tool. I hope you enjoy it.

This tool allows you to perform some calculations related to DIY and dosing fertilizers in planted aquariums.

Calculates the size of the tcp-payload on a system via packet capturing and connectiontracking at the user level instead of the ip level.