Orange: Interactive data analysis
OctoPrint is the snappy web interface for your 3D printer
QuTiP: Quantum Toolbox in Python
Pandas on AWS, easy integration with Athena, Glue, Redshift, etc.
Selenium-python but lighter: Helium is the best Python library
Berkeley Quantum Synthesis Toolkit
a parametric 3D CAD modeler
An advanced network simulator to design and configure virtual networks
Portable Scientific Python 2/3 32/64bit Distribution for Windows
Molecular dynamics by NMR data analysis
Free and open source pattern design software
Data Visualization and Analysis
Precision Trigonometry: Advanced Calculator for Complex Math
Software tools for processing taxonomic descriptions in DELTA format
SPPAS - the automatic annotation and analyses of speech
A software package for quantitative analysis in Panbiogeography
Ab initio simulator for thermal transport and lattice anharmonicity
LibrePLM integrates CAD editors in Odoo / LibrERP
Simulate GPS+AIS sentences and send to a navigation SW
Approximate solvation free energy calculator
An interactive program for statistical analysis of texts
GNU Health - The Libre Digital Health ecosystem
Circuit simulator for power electronics
A Python script for estimating the grain size from thin sections