I used Geogebra a lot, but it's too heavy and slow for the web. So I built my own geometry builder that based on hotkeys, so much faster to build and load the interactive geometry for the web. Major features are:
As a Twitch user for 10 yrs, the chat is very good for basic communication. But, it's very limited to the viewers to express their thought in science, including math and coding. So I decide to start to improve it by building a Chrome extension called LaTeX4TwitchChat.(Firefox version) Here are the features I've implemented so far:
Install LaTeX4TwitchChat to see the rendered LaTeX within your browser. !help to get the commands list supported.
Just a programmer from Taiwan.