Coursera Plus Annual is 40% Off — Ends July 13.

Class Central

Rankings
Career Certificates

Subjects

View all

Technology
Business
Creative
STEM
Health & Wellness
People & Society
Personal Growth & Lifestyle

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

Technology

Computer Science
Artificial Intelligence
Data Science
Web Development
Programming
Databases
IT & Networking
DevOps
UX/UI Design
Blockchain & Cryptocurrency
Generative AI
Cloud Computing
Cybersecurity
Game Development
Product Management
View all Technology

Business

Management & Leadership
Finance
Entrepreneurship
Marketing
Strategic Management
Project Management
Sales
Business Software
Real Estate
Professional Development
Accounting
Supply Chain Management
Business Strategy
Human Resources
View all Business

Creative

Music
Digital Media
Visual Arts
Design
Crafts
Performing Arts
AI Art
View all Creative

STEM

Mathematics
Engineering
Science
Statistics & Probability
Chemistry
Physics
Environmental Science
Astronomy
Biology
Agriculture
View all STEM

Health & Wellness

Disease & Disorders
Public Health
Health Care
Nursing
Mental Health
Continuing Medical Education (CME)
Medicine
Wellness
Nutrition
View all Health & Wellness

People & Society

Humanities
Education & Teaching
Social Sciences
History
Literature
Sociology
Economics
Psychology
Anthropology
Political Science
Law
Language Learning
Writing
Philosophy
Religion
View all People & Society

Personal Growth & Lifestyle

Personal Development
Sports & Recreation
Personal Finance
Parenting & Family
Food & Drink
Self-Defense & Martial Arts
Gardening
Productivity & Time Management
Games
Study Skills
Travel
Pets & Pet Care
Beauty & Makeup
Home & Living
Critical Thinking
View all Personal Growth & Lifestyle

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

7 Best Latin Courses Online in 2026 (Free & Paid)
6 Best Arduino Courses for 2026: From First LED to AI Robot
I Built 6 Projects in 60 Hours at Noble Desktop’s Claude Code Bootcamp
[2026] Learn MATLAB for Free: 24 Courses with Free Certificates
[2026] 50+ Free Certificates from Wolfram U: Expand Your Computational Universe

Write for The Report

Visit The Report

600 Free Google Certifications
Trending

Most common

Popular subjects

SQL
5,257 courses
Data Visualization
7,642 courses
Graphic Design
4,865 courses

Popular courses

Introduction to Indoor Air Quality
The Hong Kong University of Science and Technology
Greening the Economy: Sustainable Cities
Lund University
Cryptography I
Stanford University

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Languages
Korean

Free Online

Korean Courses

2,219 courses

Showing 2,219 courses

Sort by Relevancy

Filter by

Filters

1. Free course (1,461)
2. With certificate (1,557)
3. Career certificates (3)
4. From universities (70)
Level
1. Beginner (646)
2. Intermediate (891)
3. Advanced (338)
Duration
1. < 30 mins (435)
2. 30 - 60 mins (177)
3. 1 - 2 hours (627)
4. 2 - 5 hours (309)
5. 5 - 10 hours (149)
6. 10+ hours (174)
Subject
1. Technology (1,723)
2. Business (276)
3. Certifications (99)

SK AI SUMMIT 2024
고객 상담의 뉴 레벨 - RAG 기술로 상담사를 업그레이드하다: 기술적 노하우와 베스트 프랙티스

Discover how RAG technology revolutionizes customer service by optimizing information retrieval and enhancing consultant performance through real-time knowledge access and Telco-specific LLM strategies.
- YouTube
- 26 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
24시간 무인 순찰 로봇 가온과 비전 AI의 융합 - 반도체 공장 안전 시스템

Discover how SK Hynix integrates Vision AI with Ga-On, a 24-hour autonomous patrol robot, revolutionizing semiconductor factory safety through advanced AI and robotics fusion technology.
- YouTube
- 22 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
Digital Workforce - AI 기반 업무 자동화 Agent로 실현하는 일하는 방식의 혁신

생성형 AI 기반 업무 자동화 Agent를 통해 기업의 생산성을 극대화하는 혁신적인 방법과 실제 적용 사례를 탐구하며 미래 업무 환경의 변화를 이해합니다.
- YouTube
- 25 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
Sustainability in the Era of AI - Environmental Solutions Through Artificial Intelligence

Discover how AI accelerates environmental sustainability through Microsoft's initiatives in data centers, agriculture, water management, biodiversity, and climate change solutions.
- YouTube
- 23 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
AI 고객 타겟팅 툴 TASTE - ML과 LLM을 활용한 마케터 맞춤형 솔루션

Discover how TASTE, an innovative AI targeting tool, empowers marketers with ML and LLM capabilities for enhanced customer segmentation and data-driven decision making through intuitive interfaces.
- YouTube
- 23 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
웹 해킹의 숨바꼭질 - AI 기술로 숨은 공격을 찾아내다

Discover how AI technology enhances web security by detecting hidden attacks and efficiently managing security logs, based on 17 years of cybersecurity expertise at SK Telecom.
- YouTube
- 21 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
AI를 활용한 재생에너지 제어 솔루션

Discover how AI technology optimizes renewable energy control systems through precise prediction and management of power generation, addressing grid stability challenges.
- YouTube
- 22 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
LLM을 응용한 생성형 AI 전략과 사례

Discover how AI and LLM technologies transform manufacturing through quality control, maintenance, and supply chain optimization, with practical insights from industry implementations.
- YouTube
- 28 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
생성형 AI 시대의 On-Device AI - 메모리의 새로운 도전과 기회

Explore the memory requirements, performance metrics, and energy consumption patterns of on-device AI inference across different computing units, with insights into multimodal model implementation.
- YouTube
- 24 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
AI와 ESG의 만남 - AI-driven ESG와 지속가능한 기업 가치 창출

Discover how SK Telecom leverages AI technology to enhance ESG initiatives, solve social challenges, and establish robust AI governance frameworks while creating sustainable business opportunities.
- YouTube
- 23 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
AI-native Network Evolution: Base Station, Core, and Wired Networks

Discover how SK Telecom integrates AI into 5G networks across base stations, core, and wired infrastructure to enhance performance, quality, energy efficiency, and security through real-world implementation cases.
- YouTube
- 23 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
SmartBee - 업무와 서비스에 생성형 AI를 적용하는 가장 쉬운 방법

Discover how SmartBee simplifies generative AI integration into business services through widgets, portals, and RAG-based tools, enabling rapid AI transformation for both developers and business experts.
- YouTube
- 24 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
안전한 AI 활용을 위한 생성형 AI 해킹기법 및 보안전략

Discover 생성형 AI의 보안 위협과 대응 전략을 통해 기업과 개발자를 위한 LLM 애플리케이션의 안전한 구축 및 활용 방법을 파악하세요.
- YouTube
- 26 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
기술적 도전과 우리의 혁신 - 생성형 AI의 미래와 GPAA 서비스

Explore the future of generative AI and its transformative impact on human productivity through SK Telecom's innovative AI platforms GIP and GPAA, featuring insights on personal AI agents and global telecommunications partnerships.
- YouTube
- 21 minutes
- Self-Paced
- Free Video
SK AI SUMMIT 2024
Enterprise AI 혁신을 이끄는 RAG 최적화 전략과 사례

Discover SK텔레콤's optimization strategies and real-world cases for RAG technology implementation, focusing on enterprise AI transformation and B2B solution development for enhanced LLM performance.
- YouTube
- 25 minutes
- Self-Paced
- Free Video

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.