Focalboard is an open source, self-hosted alternative to Trello, etc.
Precision Trigonometry: Advanced Calculator for Complex Math
Open pharmacovigilance data extraction, mining and analysis tool
Complex quaternion calculator with Lorentz boosts and rotations
Open Source Astronomy Tools
A software components library
Partial Differential Equations, Complex Analysis, Mathematica, Farlow
Software for analysis of patch-clamp recordings and other wave data
C++ complex calculator with arrays, matrices, eigenvectors, functions
JQM - Java Quine McCluskey for minimization of Boolean functions.
An open-source approximate logic design tool
Best IDE for Beginners
a browser based ballistics calculator for arrows and bullets
An interactive tool to test logical structures and expressions
Portable feed & speed calculator for turning and milling
A lightweight logic expression parser
PotOdds calculator V1.0 didactic program for concept PotOdds /CallOdds
Grepolis utility
A Calculator to perform logical operations
Programmable Calculator (IP functions, create user functions)
Relativistic two-body kinematics calculator for nuclear reaction