** Geometry Visualization
*** [[https://www.geogebra.org/][Geogebra]] (Web) GeoGebra is dynamic mathematics software for all levels of education that brings together geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package.
[[Geogebra][./geogebra.png]]
*** [[http://www.drgeo.eu/][Dr.Geo]] [[Dr.Geo][./drgeo.gif]]
*** [[http://openscience.org/kseg/][KSEG]] KSEG is an open-source Linux program for exploring Euclidean geometry. [[KSEG][./kseg.png]]
*** [[][Geometer's Sketchpad]]
*** [[http://poincare.matf.bg.ac.rs/~janicic/gclc/][GCLC]] GCLC (from "Geometry Constructions -> LaTeX Converter") is a tool for visualizing geometry, and for producing mathematical illustrations. [[GCLC][./gclc.gif]]
*** [[https://github.com/paulmasson/mathcell][MathCell]] Interactive mathematics in the browser
*** [[http://euclid.js.org/][Euclid]] Euclidean geometric construction in javascript.
[[Euclid][./euclid.png]]
** Algebra
*** [[https://duetosymmetry.com/tool/polynomial-roots-toy/][Polynomial Roots]]
*** [[https://twitter.com/elzr/status/1374291155869966336][Prototype from Elzr]]
** Group Theory
*** [[https://nathancarter.github.io/group-explorer/][Group Explorer]]
** Topology
*** [[https://homepages.loria.fr/BLevy/GEOGRAM/geogram_demo_Evert.html][Thurston Sphere Eversion]]
** Computation
*** [[https://www.wolframalpha.com/][Wolfram Alpha]] (Web) [[Wolfram][./wolfram.png]]
** Category theory
*** [[http://cartographer.id/][Cartographer]] (Web) [[Cartographer][./cartographer.png]]
*** [[http://quantomatic.github.io/][Quantomatic]] (Native) [[Quantomatic][./quantomatic.png]]
*** [[http://globular.science/][Globular]] (Web) [[Globular][./globular.png]]
*** [[http://homotopy.io][Homotopy]] (Web) [[Homotopy][./homotopy.png]]
** Diagram generation
*** [[http://www.texample.net/tikz/][Tikz]] [[Tikz][./tikz.png]]
*** [[https://penrose.ink][Penrose]] [[Penrose][./penrose.gif]]
*** [[https://tug.org/applications/Xy-pic/][Xypic]] [[Xypic][./xypic.png]]
*** [[http://www.graphviz.org/][GraphViz]] [[GraphViz][./graphviz.png]]
*** [[https://tikzit.github.io][TikZit]] [[Tikzit][./tikzit.png]]
*** [[http://tikzcd.yichuanshen.de][TikzCD]] [[TikzCD][./tikzcd.png]]
*** [[http://omrelli.ug/g9/gallery/][G9]] [[G9][./g9.png]]
Languages ** [[https://asymptote.sourceforge.io/][Asymptote]] [[][LatexDraw]] *** [[http://tug.org/metapost.html][Metapost]]
** Theorem Proovers
** [[https://joom.github.io/proof-tree-builder/src/][Proof Tree Builder]] [[Proof Tree][./proof-tree.png]]
Calculation [[https://www.getguesstimate.com/][Guesstimate]] [[Guesstimate][./guesstimate.gif]]
*** [[https://instacalc.com/][InstaCalc]] (Web) [[InstaCalc][./instacalc.png]]
** LSystems
*** [[LSystem Explorer][https://anvaka.github.io/lsystem/]]
** Native Apps
[[https://soulver.app][Soulver]] [[Soulver][./soulver.png]] [[https://numi.app][Numi]] [[Numi][./numi.png]]
** Chaos Theory
*** [[https://duetosymmetry.com/tool/poincare-section-clicker-toy/][Poincaré Sections]]
** Probability and Statistics
*** [[http://www.infinitecuriosity.org/vizgp/][Gaussian Processes]] [[./gaussian-processes.gif]]
** Notebooks
*** [[https://www.mathcha.io/][Mathcha]] (Web) Mathcha provides sufficent Normal Text Editing Feature, and various sets of mathematical symbols/layouts, together with Drawing Features, which helps you to have a single place to create your own Mathematical document (Normal Text, Math Mode Text, Diagram/Graph). [[Mathcha][./mathcha.png]]
*** [[https://observablehq.com/][Observable]] (Web) [[ObservableHQ][./observablehq.png]]
*** [[https://jupyter.org/][Jupyter Notebooks]] (Web) [[Jupyter][./jupyternotebooks.png]]
** Lists
** Games https://kasperpeulen.github.io/
** Contributors
** To Process https://dev.to/zevanrosser/arctype---easy-math-documents-2e2k