Coursera Plus Annual is 40% Off — Ends June 29.

Class Central

Rankings
Career Certificates

Subjects

View all

Computer Science
Health & Medicine
Mathematics
Business
Humanities
Engineering
Science
Education & Teaching
Social Sciences
Art & Design
Artificial Intelligence
Data Science
Programming
Personal Development
Information Security (InfoSec)

View all Subjects

Universities
The Report

Courses from 1000+ universities

Rankings

Best Courses

Best of All Time
Best of the Year

Most Popular Courses

Most Popular of All Time
Most Popular of the Year

Career Certificates

Generative AI
UX Design
Data Science
Finance
DevOps
Project Management
View all Career Certificates

Computer Science

Algorithms and Data Structures
Internet of Things
Information Technology
Computer Networking
DevOps
Cryptography
Quantum Computing
Human-Computer Interaction (HCI)
Distributed Systems
Blockchain Development
Operating Systems
Computer Graphics
Automata Theory
Compilers
Mainframe
Digital Image Processing
Computational Models
Algorithm Design
Information Theory
Algorithms
View all Computer Science

Health & Medicine

Nutrition & Wellness
Disease & Disorders
Public Health
Health Care
Nursing
Anatomy
Veterinary Science
Continuing Medical Education (CME)
Blood Pressure
Wellbeing
Women's Health
Dysphagia
Occupational Therapy
Hygiene
Healthcare Innovation
Music Therapy
Holistic Health
Ayurveda
Herbalism
Massage Therapy
View all Health & Medicine

Mathematics

Statistics & Probability
Foundations of Mathematics
Calculus
Discrete Mathematics
Trigonometry
Geometry
Algebra
Precalculus
Number Theory
Combinatorics
Mathematical logic
Linear Programming
Graph Theory
Set Theory
Group Theory
Differential Equations
Polynomials
Integration
Mathematical Analysis
Mathematical Thinking
View all Mathematics

Business

Management & Leadership
Finance
Entrepreneurship
Marketing
Strategic Management
Industry Specific
Business Intelligence
Project Management
Sales
Design Thinking
Business Software
Customer Service
Nonprofit Management
Operations Management
Corporate Governance
Business Plan
Business Proposal
Product Design
Crowdsourcing
Business Planning
View all Business

Humanities

History
Literature
Language Learning
Grammar & Writing
Philosophy
Religion
ESL
Culture
Sports
Journalism
Linguistics
Food
Library Science
Reading
Crisis Management
Games
Emergency Management
Performing Arts
Religious Studies
Spirituality
View all Humanities

Engineering

Electrical Engineering
Mechanical Engineering
Civil Engineering
Nanotechnology
GIS
Textiles
Manufacturing
BIM
CAD
Chemical Engineering
Energy Systems
Aerospace Engineering
Finite Element Analysis
SCADA
GD&T (Geometric Dimensioning and Tolerancing)
Geotechnical Engineering
Reliability Engineering
Petroleum Engineering
Control Theory
Environmental Engineering
View all Engineering

Science

Chemistry
Physics
Environmental Science
Astronomy
Biology
Agriculture
Materials Science
Earth Science
Applied Science
Forensic Science
Meteorology
Horology
Paleontology
Fire Science
Sensory Science
Ergonomics
Physical Sciences
Complex Systems
Scientific Method
Medicine
View all Science

Education & Teaching

K12
Higher Education
STEM
Teacher Professional Development
Course Development
Online Education
Pedagogy
Social-emotional Learning (SEL)
Instructional Design
Homeschooling
Special Education
Adult Education
Course Design
Educational Technology
Curriculum Development
Student-Centered Learning
Student Engagement
Classroom Management
Early Childhood Education
Elementary Education
View all Education & Teaching

Social Sciences

Sociology
Economics
Psychology
Anthropology
Political Science
Law
Urban Planning
Human Rights
Governance
Archaeology
Social Work
Early Childhood Development
Structural Equation Modeling
Cultural Studies
Community Engagement
Philanthropy
Behavioral Science
Media Studies
Global Development
Social Development
View all Social Sciences

Art & Design

Music
Digital Media
Visual Arts
Design & Creativity
Photography
Art Therapy
Art Composition
Character Design
Fashion Design
Golden Ratio
Copic Markers
Jewelry Design
Animal Illustration
Anime Drawing
Street Art
Observational Drawing
Greeting Cards
Clay Modeling
Epoxy Resin
Miniature Art
View all Art & Design

Artificial Intelligence

Computer Vision
Natural Language Processing (NLP)
Neural Networks
Autonomous Vehicles
Chatbot
IBM Watson
Intelligent Systems
Genetic Algorithms
Intelligence
Heuristics
Ontology
Collective Intelligence
Constraint Programming
Semantics
Computational Linguistics
Computational Creativity
Evolutionary Algorithms
Speech Recognition
Bots
Speech Synthesis
View all Artificial Intelligence

Data Science

Bioinformatics
Big Data
Data Mining
Jupyter Notebooks
Process Mining
Stata
Text Mining
Social Network Analysis
Computational Analysis
Data Collection
Information Retrieval
Data Processing
Data Wrangling
Data Extraction
Data Manipulation
Network Analysis
Data Preparation
Big Data Analytics
Graph Analysis
Data Engineering
View all Data Science

Programming

Mobile Development
Web Development
Databases
Programming Languages
Software Development
Domain-Specific Languages (DSL)
Hardware Description Languages (HDL)
Aspect-oriented programming
Object-oriented programming
Visual Programming
Competitive Programming
Database Programming
Generic Programming
Programming Language Development
Leetcode
GNU Toolchain
Windsurf
Vibe Coding
Cloud Computing
Game Development
View all Programming

Personal Development

Communication Skills
Career Development
Self Improvement
Presentation Skills
Resilience
Gratitude
Growth Mindset
Self-Assessment
Survival Skills
Sleep Improvement
Career Planning
Empowerment
Generosity
Personal Growth
Courage
Humility
Social Skills
Dog Training
Passion
Life Coaching
View all Personal Development

Information Security (InfoSec)

Ethical Hacking
Digital Forensics
Reverse Engineering
Penetration Testing
Malware Analysis
DevSecOps
OSINT (Open Source Intelligence)
Red Team
Blue Team
Network Security
Cybersecurity
Threat Intelligence
View all Information Security (InfoSec)

A Simplilearn Certificate Goes on LinkedIn Each Minute; Here’s How Krishna Kumar Built It From a Blog

17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.

Class Central Team Jun 22, 2026

Latest

10 Best Spring Boot Courses for 2026: Beginner to Advanced
Massive List of Online Learning Platforms in China
Best SQL Courses for 2026: Top 14 from 3,300+
7 Best Free Prolog Courses Online for 2026
6 Best Oceanography Courses Online in 2026 (Free & Paid)

Write for The Report

Visit The Report

600 Free Google Certifications
Trending

Most common

Popular subjects

Cybersecurity
24,772 courses
Computer Science
52,146 courses
Communication Skills
4,606 courses

Popular courses

Design Patterns
University of Alberta
Machine Learning Foundations: A Case Study Approach
University of Washington
Functional Programming Principles in Scala
École Polytechnique Fédérale de Lausanne

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Providers
XuetangX

Free Online

XuetangX Courses

XuetangX is an open online learning platform for Chinese students. It offers massive courses in multiple disciplines, with a mission to build an affordable, quality learning environment for everyone.

13,034 courses

Showing 13,034 courses

Sort by Relevancy

Filter by

Filters

1. Free course (13,034)
2. With certificate (25)
3. From universities (7,886)
Level
1. Beginner (2,900)
2. Intermediate (7,757)
3. Advanced (2,373)
Duration
Subject
1. Science (2,375)
2. Business (1,856)
3. Engineering (1,758)
4. Humanities (1,454)
5. Social Sciences (1,357)
6. Health & Medicine (920)
7. Art & Design (892)
8. Data Science (696)
9. Computer Science (553)
10. Education & Teaching (474)
11. Artificial Intelligence (462)
12. Personal Development (442)
13. Mathematics (431)
14. Programming (351)
Language
1. English (1,420)
2. Chinese (11,528)
3. French (2)
4. Indonesian (2)
5. Italian (2)
6. Japanese (4)
7. Korean (4)
8. Pashto (1)
9. Russian (27)
10. Spanish (20)
11. Thai (24)

自动控制理论（2）

自动化是人类文明进步和现代化的标志。自动控制理论（2）从时域的角度揭示反馈原理是如何在各式各样的自动化系统设计中发挥核心的作用。
- XuetangX
- Self-Paced
- Free Online Course
新城市科学


Explore the evolution of urban science through technological revolutions, examining new data-driven methods and emerging technologies that shape future cities and human behavior patterns.
- XuetangX
- Self-Paced
- Free Online Course
量子力学前沿选题


课程目的是加深量子力学基础概念的理解，并帮助学生了解更多量子力学在基础物理学和其他分支方面的重要应用. 课程帮助学生在他们选择研究方向时可以更容易通过文献阅读过程而进入课题。
- XuetangX
- Self-Paced
- Free Online Course
光电仪器设计


本课程传承经典设计理论，追踪光电技术前沿，面向测量行业应用，教你怎样设计好光电仪器。
- XuetangX
- Self-Paced
- Free Online Course
现代电子系统设计


本课程系统介绍基于片上系统SoC的现代电子系统，包括系统组成、设计方法、最新技术、设计样例、实验内容及实验结果展示等。帮助学生系统全面地掌握现代电子系统的设计方法，同时培养创新设计思想。
- XuetangX
- Self-Paced
- Free Online Course
建筑冷热源


系统讲述制冷、热泵、锅炉等建筑冷热源设备与系统、冷热量输配系统的原理、结构、性能调控与发展动因，培养学生创新和解决建筑冷热源问题的能力。
- XuetangX
- Self-Paced
- Free Online Course
电磁兼容


电磁兼容是电类及机电类工科研究生及高年级本科生必须掌握的基本技能，在科学研究、设备开发、电路板及微电子设计、解决实际工程问题等方面都具有非常重要的作用。
- XuetangX
- Self-Paced
- Free Online Course
水力学


水，是人类生活不可或缺的资源。水力学是人类开发利用水资源的有力工具。本课教你认识和掌握水流静止和运动的力学规律，了解在相关领域的工程应用。
- XuetangX
- Self-Paced
- Free Online Course
大气污染控制工程


大气污染是当前人类面临的共同挑战。本课程主要讲授大气污染的来源、影响、传输扩散和控制技术，教会学生主要大气污染物控制的基本原理和工艺计算方法。
- XuetangX
- Self-Paced
- Free Online Course
线性系统理论


线性系统理论是控制科学与工程学科的一门最为基本的理论性课程，也是进一步学习控制理论其它系列课程必备的基础。本课程强调严格的逻辑训练与培养研究生创新思维并重。
- XuetangX
- Self-Paced
- Free Online Course
柔性电子技术


探索柔性电子技术的基础理论、设计方法和实际应用，掌握从材料选择到器件制造的核心知识，为未来柔性电子领域的研究和创新打下基础。
- XuetangX
- Self-Paced
- Free Online Course
光学


Delve into classical optics and electromagnetic waves, exploring wave properties, interference, diffraction, and polarization while building foundations for quantum mechanics through rigorous mathematical analysis.
- XuetangX
- Self-Paced
- Free Online Course
绿色创新理论与实践


Explore environmental governance and green innovation through expert perspectives on policy, technology, finance, and sustainable development in China's ecological transformation.
- XuetangX
- Self-Paced
- Free Online Course
数字超大规模集成电路设计


Dive into digital VLSI circuit design fundamentals, covering MOS transistors, logic gates, timing, power consumption, and interconnect technologies for modern nanoscale integrated circuits.
- XuetangX
- Self-Paced
- Free Online Course
高等化工热力学（上）

“经典热力学是唯一具有普遍性的物理理论”（爱因斯坦语），让我们一起掌握“热力学之匙”打开新时代化学工程理论与应用之门。
- XuetangX
- Self-Paced
- Free Online Course

Career Certificates

Generative AI
UX Design
Data Science
Finance
DevOps
Project Management
All Subjects

Coursera
edX
Noble Desktop
Simplilearn
CodeSignal
Boot.dev
All Universities

The Report by Class Central RSS Feed

Series Finale of Online Education
Udemy Earns More, Pays Less
Duolingo's 2026 Strategy
1000s of Free Certificates
Best Courses Guides
Best of All Time
Most Popular of All Time

About Class Central

Class Central aggregates courses from many providers to help you find the best courses on almost any subject, wherever they exist.

Facebook
Twitter
LinkedIn
YouTube
Bluesky

Class Central © 2011-2026 Privacy Policy

About Us
Join Us
Write for Us
Help Center
Contact Us

Share

Facebook
Twitter
Bluesky
Email

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free

Someone learning on their laptop while sitting on the floor.