Vega Visualization Grammar - Visualization grammar for creating, saving, and sharing interactive visualization designs
GPU.JS - Single-file JavaScript library for GPU acceleration
Cervinodata - Cervinodata Makes it super easy to present your campaign performance data in Klipfolio, Google Data Studio and others. Free plan available.
GeoGebra - GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching.
gpgpu.js - JavaScript library to use the GPU in the browser through WebGL
Monokl - Monokl is an open source downloadable desktop tool that works across all platforms and provides a simple way to visualize the performance of your Kafka cluster.