# Category Top 2 Sub Categories
1 Mathematics Matrix Theory Graph Theory
2 File IO Data Type Data Formats
3 Graphics (ComputerVision](https://en.wikipedia.org/wiki/Category:Computer_vision) Infographics
4 AI Machine Learning NLP
5 Optimization UNCLASSIFIED NonlinearProgramming
6 Super Computing Parallel Computing GPGPU
7 Biology Genomics Bioinformatics
8 Programming Paradigms Automata Macro
9 Probability-Statistics REGRESSION TEMPORAL
10 Server Web WIDE
11 API JavaScript R
12 DevOps Packaging Unit Tests
13 Utilities Terminal Microsoft Windows
14 Desktop Applications GUI Documentation Tools
15 ActuarialScience FINANCE ECONOMETRICS
16 Machines Audio-Video Robots
17 Physics QuantumPhysics Thermodynamics
18 Earth Science GIS Aeronautics
19 Database In-Memory Storage PostgreSQL
20 Chemistry SimulationMethods Chemoinformatics
21 Space Science Astro Libraries JuliaAstro
22 Algorithms Pattern Matching Sorting
23 Data Science Software Biomedical Research
24 Resources Cookbooks Slides
25 i18n-L10n - -