Orange: Interactive data analysis
OctoPrint is the snappy web interface for your 3D printer
Berkeley Quantum Synthesis Toolkit
QuTiP: Quantum Toolbox in Python
A Python library for quantum programming using Quil
a parametric 3D CAD modeler
Software tools for processing taxonomic descriptions in DELTA format
An advanced network simulator to design and configure virtual networks
Portable Scientific Python 2/3 32/64bit Distribution for Windows
32/64 bit multi-platform Ethernet S7 PLC communication suite
many useful snippets for using python in a laboratory
Free and open source pattern design software
Data Visualization and Analysis
GNU Health - The Free/Libre Hospital and Health Information System
SPPAS - the automatic annotation and analyses of speech
Molecular dynamics by NMR data analysis
PyAMS (Python for Analog and Mixed Signals) CAD approach
Ab initio simulator for thermal transport and lattice anharmonicity
Approximate solvation free energy calculator
An interactive program for statistical analysis of texts
AERMOD, visualisation, input, modelling and compiling tool
LibrePLM integrates CAD editors in Odoo / LibrERP
An eXtended Finite Element Method (XFEM) Software.
A tool for low-power CMOS voltage reference designs
Software to control and analyze Tausand Abacus coincidence devices