Pentaho Data Integration ( ETL ) a.k.a Kettle
GPL software which renders realistic skies in real time
Toolkit for working with and mapping geospatial data
Open source finite element software for multiphysical problems
Viewer and exporter for Unreal Engine 1-4 assets
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
An implementation of the Grammar of Graphics in R
Cross-platform app for displaying and navigating events on a timeline.
The simplest, fastest way to share business intelligence and analytics
The Time Series Visualization Tool that you deserve
Generate diagrams from textual description
2D & 3D TeX-Aware Vector Graphics Language
Gephi the open graph Viz platform
Multi-purpose serial data visualization & processing
KeyCastr, an open-source keystroke visualizer
Syntax Tree Drawing Software (Linguistics)
A state-of-the-art facial behavior analysis toolkit
Unreal Engine Archives Explorer
Viking is a free/open source program to manage GPS data
Apache Superset is a data visualization and data exploration platform
Installable / Portable Python Distribution for Everyone.