OpenNum lets you distribute solvers with a nice graphical interface
Matplotlib 3.1 cheat sheet
Lightweight profiler library for c++
PID controller design and tuning
3D Charts - Templates for PovRay(TM)
Software defined radio for Linux and Mac
xmgrace and qtgrace plotting interface in python
Interactive gnuplot script editor
GTK+iostream, Data plots, ORB, Neural Networks, WSOLA
Direct tissue-level image quantification package for Mathematica
Client/Server based experiment and instrument control system
C++ Chart Library for wxWidgets
Extendible 2D color plotting tool.
chinese remainder theorem - progressive solving, n-soln, extras
Application for managing land searches for missing persons.
Interval Calculator for Engineer
Analyse dynamical systems, plot its phase space and critical points.
A DAQ solution in Python 2 for your Ardruino
Modular Java framework for meta-heuristic optimization
QPlot - 2d plotting tool based on Qwt
A PHP class for creating graphs, plots, charts