Widely-used graphics library

1. imgui

   1 373 65,135 9.8 C++

   Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

   

   If you want a strict C++ equivalent to SDL the clear answer is SFML. If you just want to visualize 2D/3D data there's matplot++. If you want something slightly higher-level than SDL/SFML (with pre-made UI widgets and such) there's imGUI. If you need an all-in-one GUI solution for desktop or mobile apps there's Qt.

2. InfluxDB

   influxdata.com featured

   InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

   

3. SFML

   2 123 10,863 9.6 C++

   Simple and Fast Multimedia Library

   

   If you want a strict C++ equivalent to SDL the clear answer is SFML. If you just want to visualize 2D/3D data there's matplot++. If you want something slightly higher-level than SDL/SFML (with pre-made UI widgets and such) there's imGUI. If you need an all-in-one GUI solution for desktop or mobile apps there's Qt.

4. matplotplusplus

   3 26 4,542 4.6 C++

   Matplot++: A C++ Graphics Library for Data Visualization 📊🗾

   

   If you want a strict C++ equivalent to SDL the clear answer is SFML. If you just want to visualize 2D/3D data there's matplot++. If you want something slightly higher-level than SDL/SFML (with pre-made UI widgets and such) there's imGUI. If you need an all-in-one GUI solution for desktop or mobile apps there's Qt.

5. Skia

   4 59 9,715 9.9 C++

   Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

   

   Skia is pretty great if you can get it running.

Suggest a related project