Gephi the open graph Viz platform
Linux system exploration and troubleshooting tool
Multithreaded package for working with tabular data in Julia
Browser-based interactive codebase and dependency visualization tool
Julia interface to GLFW, a multi-platform library for creating windows
Package to call the NLopt nonlinear-optimization library from Julia
Interactive data visualizations and plotting in Julia
A viewer for git and diff output
A premier mind-mapping software written in Java
... the open-source glide computer
Computer Algebra System written in Common Lisp
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
Support for legacy OpenGL in core profiles
SADSA (Software Application for Data Science and Analytics)
Draw vector graphics to scale using a descriptive language
Graph visualizing tool
3D slider puzzles for kids; helps teach solid geometry
SCADA HMI for substations, IoT and automation applications
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
rayshade and POV for Mathematica Export + view
Single C file, Realtime CPU/GPU Profiler with Remote Web Viewer
Interactive scientific graphing and data analysis software.
OpenGrADS provides extensions and interfaces for GrADS.
Complete solution for HDR photography
Pure Browser based Visualisation for PLCs