Yes, another attractor visualizer, but glChAoS.P allows you to explore interactively any attractor type, modifyng linearly the values and displaying the changes obtained, immediately, in 3D and in realtime.
OpenGL 4 with OpenTK in C# Part 1: Initialize the GameWindow; Author: Eowind; Updated: 27 Jan 2017; Section: OpenGL; Chapter: Multimedia; Updated: 27 Jan 2017
A simple open-source scene manager, and WavefrontOBJ file loader in C# and OpenGL (OpenTK). Runs on MacOS, Windows, and Linux.; Author: David Jeske; Updated: 27 Dec 2014; Section: OpenGL; Chapter: Multimedia; Updated: 27 Dec 2014
RenderDoc is a free MIT licensed stand-alone graphics debugger that allows quick and easy single-frame capture and detailed introspection of any application using Vulkan, D3D11, OpenGL & OpenGL ES or D3D12 across Windows 7 - 10, Linux, or Android.
Flex Engine is my personal rendering engine which currently supports both Vulkan and OpenGL. It was started in February 2017 as a way for me to better understand how rendering engines work. You can find the entire source code on my GitHub github.com/ajweeks/FlexEngine Follow my progress on this project on my blog at ajweeks.wordpress.com/tag/flex-engine