Free CS & AI courses that actually get you job-ready.
100+ structured tracks built from the best free YouTube lessons on the planet โ curated, sequenced, and translated into 9 languages. No signup. No paywall. Start any course in 10 seconds.
Every course is a hand-picked YouTube playlist organized into modules and lessons, with quizzes, prerequisites, and an estimated completion time. Available in 9 languages. Built by engineers who hire engineers.
137 of 180 courses fully loaded with video lessons โ new tracks unlock every week.
AI Agents โ ReAct & AutoGPT
AI Agents โ ReAct & AutoGPT โ self-paced course in advanced.
AI Cost Optimization
AI Cost Optimization โ self-paced course in advanced.
AI Observability โ LangSmith & Arize
AI Observability โ LangSmith & Arize โ self-paced course in advanced.
AI Red Teaming & Prompt Security
AI Red Teaming & Prompt Security โ self-paced course in advanced.
AI Safety & Alignment
AI Safety & Alignment โ self-paced course in advanced.
AI๋ฅผ ์ํ Python โ ์ ๋ก๋ถํฐ ์์ด์ ํธ๊น์ง
AI๋ฅผ ์ํ Python โ ์ ๋ก๋ถํฐ ์์ด์ ํธ๊น์ง โ self-paced course in beginner.
Android Jetpack Compose Mastery
Android Jetpack Compose Mastery โ self-paced course in advanced.
Apache Airflow Deep Dive
Apache Airflow Deep Dive โ self-paced course in advanced.
Apache Cassandra โ Wide-Column Store
Apache Cassandra โ Wide-Column Store โ self-paced course in advanced.
Apache Druid โ Real-Time OLAP
Apache Druid โ Real-Time OLAP โ self-paced course in advanced.
Apache Flink โ Real-Time Stream Processing
Apache Flink โ Real-Time Stream Processing โ self-paced course in advanced.
Apache Kafka โ ์ด๋ฒคํธ ์คํธ๋ฆฌ๋ฐ ํ๋ซํผ
Apache Kafka โ ์ด๋ฒคํธ ์คํธ๋ฆฌ๋ฐ ํ๋ซํผ โ self-paced course in advanced.
Apache Spark โ ๋น ๋ฐ์ดํฐ ์ฒ๋ฆฌ
Apache Spark โ ๋น ๋ฐ์ดํฐ ์ฒ๋ฆฌ โ self-paced course in advanced.
API Design Patterns Advanced
API Design Patterns Advanced โ self-paced course in advanced.
API Documentation โ OpenAPI 3
API Documentation โ OpenAPI 3 โ self-paced course in intermediate.
API Gateway Patterns
API Gateway Patterns โ self-paced course in advanced.
API Rate Limiting & Throttling
API Rate Limiting & Throttling โ self-paced course in intermediate.
API Versioning Strategies
API Versioning Strategies โ self-paced course in intermediate.
Application Security โ SAST & DAST
Application Security โ SAST & DAST โ self-paced course in advanced.
AR/VR Development โ WebXR
AR/VR Development โ WebXR โ self-paced course in advanced.
Astro โ The Content-Focused Framework
Astro โ The Content-Focused Framework โ self-paced course in intermediate.
Authentication & OAuth 2.1
Authentication & OAuth 2.1 โ self-paced course in advanced.
AWS ํด๋ผ์ฐ๋ ์ปดํจํ
AWS ํด๋ผ์ฐ๋ ์ปดํจํ โ self-paced course in intermediate.
Backend for Frontend (BFF)
Backend for Frontend (BFF) โ self-paced course in intermediate.
Backstage โ Developer Portals
Backstage โ Developer Portals โ self-paced course in advanced.
Bluetooth Low Energy (BLE)
Bluetooth Low Energy (BLE) โ self-paced course in intermediate.
Brain-Computer Interfaces
Brain-Computer Interfaces โ self-paced course in advanced.
Browser Extensions
Browser Extensions โ self-paced course in intermediate.
Browser Internals โ V8 & Rendering
Browser Internals โ V8 & Rendering โ self-paced course in advanced.
Calculus for Deep Learning
Calculus for Deep Learning โ self-paced course in intermediate.
CDN & Edge โ Cloudflare Workers
CDN & Edge โ Cloudflare Workers โ self-paced course in intermediate.
Chaos Engineering
Chaos Engineering โ self-paced course in advanced.
ClickHouse โ Analytics Database
ClickHouse โ Analytics Database โ self-paced course in advanced.
Clojure โ Lisp on the JVM
Clojure โ Lisp on the JVM โ self-paced course in advanced.
Cloud Security โ IAM Patterns
Cloud Security โ IAM Patterns โ self-paced course in advanced.
Compilers โ How Programming Languages Work
Compilers โ How Programming Languages Work โ self-paced course in advanced.
Computer Graphics & WebGL
Computer Graphics & WebGL โ self-paced course in advanced.
Computer Vision โ Object Detection
Computer Vision โ Object Detection โ self-paced course in advanced.
Container Security
Container Security โ self-paced course in advanced.
Contract Testing with Pact
Contract Testing with Pact โ self-paced course in advanced.
CRDTs โ Conflict-Free Data Types
CRDTs โ Conflict-Free Data Types โ self-paced course in advanced.
Cryptography in Practice
Cryptography in Practice โ self-paced course in advanced.
Data Mesh Architecture
Data Mesh Architecture โ self-paced course in advanced.
Database Internals โ Storage Engines
Database Internals โ Storage Engines โ self-paced course in advanced.
dbt โ Data Build Tool
dbt โ Data Build Tool โ self-paced course in intermediate.
DeFi Patterns
DeFi Patterns โ self-paced course in advanced.
DevOps์ CI/CD ํ์ดํ๋ผ์ธ
DevOps์ CI/CD ํ์ดํ๋ผ์ธ โ self-paced course in intermediate.
Diffusion Models Deep Dive
Diffusion Models Deep Dive โ self-paced course in advanced.
Discrete Mathematics for CS
Discrete Mathematics for CS โ self-paced course in intermediate.
Distributed Caching Patterns
Distributed Caching Patterns โ self-paced course in advanced.
Distributed Consensus โ Raft & Paxos
Distributed Consensus โ Raft & Paxos โ self-paced course in advanced.
Docker์ ์ปจํ ์ด๋
Docker์ ์ปจํ ์ด๋ โ self-paced course in intermediate.
Domain-Driven Design (DDD)
Domain-Driven Design (DDD) โ self-paced course in advanced.
Elasticsearch & Lucene
Elasticsearch & Lucene โ self-paced course in advanced.
Elixir & Phoenix โ Concurrent Web
Elixir & Phoenix โ Concurrent Web โ self-paced course in advanced.
Embedded Systems with Rust
Embedded Systems with Rust โ self-paced course in advanced.
Embeddings & Semantic Search
Embeddings & Semantic Search โ self-paced course in intermediate.
Event Sourcing & CQRS
Event Sourcing & CQRS โ self-paced course in advanced.
Event-Driven Architecture
Event-Driven Architecture โ self-paced course in advanced.
Firmware Development
Firmware Development โ self-paced course in advanced.
Flutter โ ํฌ๋ก์ค ํ๋ซํผ ๋ชจ๋ฐ์ผ ์ฑ
Flutter โ ํฌ๋ก์ค ํ๋ซํผ ๋ชจ๋ฐ์ผ ์ฑ โ self-paced course in intermediate.
Full-Text Search Strategies
Full-Text Search Strategies โ self-paced course in intermediate.
Game Development with Unity
Game Development with Unity โ self-paced course in intermediate.
Game Networking โ Multiplayer
Game Networking โ Multiplayer โ self-paced course in advanced.
Game Physics & Math
Game Physics & Math โ self-paced course in advanced.
GitOps with Argo CD
GitOps with Argo CD โ self-paced course in advanced.
Git๊ณผ GitHub โ ๊ฐ๋ฐ์๋ฅผ ์ํ ๋ฒ์ ๊ด๋ฆฌ
Git๊ณผ GitHub โ ๊ฐ๋ฐ์๋ฅผ ์ํ ๋ฒ์ ๊ด๋ฆฌ โ self-paced course in beginner.
Go โ ํด๋ผ์ฐ๋ ๋ค์ดํฐ๋ธ ๋ฐฑ์๋ ๊ฐ๋ฐ
Go โ ํด๋ผ์ฐ๋ ๋ค์ดํฐ๋ธ ๋ฐฑ์๋ ๊ฐ๋ฐ โ self-paced course in intermediate.
Godot โ Open Source Game Engine
Godot โ Open Source Game Engine โ self-paced course in intermediate.
Google Cloud Platform (GCP)
Google Cloud Platform (GCP) โ self-paced course in intermediate.
GraphQL โ ๋ชจ๋ API ์ค๊ณ
GraphQL โ ๋ชจ๋ API ์ค๊ณ โ self-paced course in intermediate.
gRPC & Protocol Buffers
gRPC & Protocol Buffers โ self-paced course in advanced.
Haskell โ Functional Programming
Haskell โ Functional Programming โ self-paced course in advanced.
Helm Charts โ Kubernetes Packaging
Helm Charts โ Kubernetes Packaging โ self-paced course in intermediate.
Hexagonal & Clean Architecture
Hexagonal & Clean Architecture โ self-paced course in advanced.
Information Theory
Information Theory โ self-paced course in advanced.
Internationalization (i18n)
Internationalization (i18n) โ self-paced course in intermediate.
iOS Animations & SwiftUI Mastery
iOS Animations & SwiftUI Mastery โ self-paced course in advanced.
IoT โ MQTT & CoAP
IoT โ MQTT & CoAP โ self-paced course in intermediate.
Java โ ์ ๋ก๋ถํฐ ์ํฐํ๋ผ์ด์ฆ๊น์ง
Java โ ์ ๋ก๋ถํฐ ์ํฐํ๋ผ์ด์ฆ๊น์ง โ self-paced course in beginner.
Jest๋ฅผ ์ฌ์ฉํ ํ ์คํธ ์ฃผ๋ ๊ฐ๋ฐ
Jest๋ฅผ ์ฌ์ฉํ ํ ์คํธ ์ฃผ๋ ๊ฐ๋ฐ โ self-paced course in intermediate.
Kotlin๊ณผ Android ๊ฐ๋ฐ
Kotlin๊ณผ Android ๊ฐ๋ฐ โ self-paced course in intermediate.
Kubernetes โ ๋๊ท๋ชจ ์ปจํ ์ด๋ ์ค์ผ์คํธ๋ ์ด์
Kubernetes โ ๋๊ท๋ชจ ์ปจํ ์ด๋ ์ค์ผ์คํธ๋ ์ด์ โ self-paced course in advanced.
LangChain โ LLM ์ ํ๋ฆฌ์ผ์ด์ ๊ตฌ์ถ
LangChain โ LLM ์ ํ๋ฆฌ์ผ์ด์ ๊ตฌ์ถ โ self-paced course in intermediate.
Layer 2 โ Optimistic Rollups
Layer 2 โ Optimistic Rollups โ self-paced course in advanced.
Linear Algebra for ML
Linear Algebra for ML โ self-paced course in intermediate.
Linux์ Bash โ ๊ฐ๋ฐ์๋ฅผ ์ํ ์ปค๋งจ๋ ๋ผ์ธ
Linux์ Bash โ ๊ฐ๋ฐ์๋ฅผ ์ํ ์ปค๋งจ๋ ๋ผ์ธ โ self-paced course in beginner.
LLM Evaluation & Benchmarking
LLM Evaluation & Benchmarking โ self-paced course in advanced.
LLM Fine-Tuning with LoRA & QLoRA
LLM Fine-Tuning with LoRA & QLoRA โ self-paced course in advanced.
Logging at Scale โ ELK & Loki
Logging at Scale โ ELK & Loki โ self-paced course in intermediate.
Microsoft Azure for Developers
Microsoft Azure for Developers โ self-paced course in intermediate.
MLOps โ ํ๋ก๋์ ์ ๋จธ์ ๋ฌ๋
MLOps โ ํ๋ก๋์ ์ ๋จธ์ ๋ฌ๋ โ self-paced course in advanced.
Mobile App Performance Tuning
Mobile App Performance Tuning โ self-paced course in advanced.
Mobile Push Notifications
Mobile Push Notifications โ self-paced course in intermediate.
Mobile Testing โ XCTest & Espresso
Mobile Testing โ XCTest & Espresso โ self-paced course in intermediate.
MongoDB์ NoSQL ๋ฐ์ดํฐ๋ฒ ์ด์ค
MongoDB์ NoSQL ๋ฐ์ดํฐ๋ฒ ์ด์ค โ self-paced course in intermediate.
Multimodal Models โ CLIP & BLIP
Multimodal Models โ CLIP & BLIP โ self-paced course in advanced.
Mutation Testing
Mutation Testing โ self-paced course in advanced.
Next.js โ ํ์คํ React ํ๋ ์์ํฌ
Next.js โ ํ์คํ React ํ๋ ์์ํฌ โ self-paced course in intermediate.
NFT Smart Contracts
NFT Smart Contracts โ self-paced course in advanced.
NLP์ ๋๊ท๋ชจ ์ธ์ด ๋ชจ๋ธ
NLP์ ๋๊ท๋ชจ ์ธ์ด ๋ชจ๋ธ โ self-paced course in advanced.
Node.js โ ์๋ฒ ์ฌ์ด๋ JavaScript
Node.js โ ์๋ฒ ์ฌ์ด๋ JavaScript โ self-paced course in intermediate.
Numerical Computing
Numerical Computing โ self-paced course in intermediate.
OpenTelemetry & Distributed Tracing
OpenTelemetry & Distributed Tracing โ self-paced course in advanced.
Operating Systems Concepts
Operating Systems Concepts โ self-paced course in advanced.
Performance Testing with k6
Performance Testing with k6 โ self-paced course in intermediate.
Platform Engineering
Platform Engineering โ self-paced course in advanced.
PostgreSQL โ ๊ณ ๊ธ ์ฟผ๋ฆฌ ๋ฐ ์ฑ๋ฅ
PostgreSQL โ ๊ณ ๊ธ ์ฟผ๋ฆฌ ๋ฐ ์ฑ๋ฅ โ self-paced course in intermediate.
Probability & Statistics
Probability & Statistics โ self-paced course in intermediate.
Prometheus & Grafana
Prometheus & Grafana โ self-paced course in intermediate.
Property-Based Testing
Property-Based Testing โ self-paced course in advanced.
Pulumi โ Infrastructure as Code
Pulumi โ Infrastructure as Code โ self-paced course in intermediate.
PWAs & Service Workers
PWAs & Service Workers โ self-paced course in intermediate.
Python์ผ๋ก ๋ฐฐ์ฐ๋ ๋จธ์ ๋ฌ๋
Python์ผ๋ก ๋ฐฐ์ฐ๋ ๋จธ์ ๋ฌ๋ โ self-paced course in intermediate.
PyTorch๋ฅผ ์ฌ์ฉํ ์ปดํจํฐ ๋น์
PyTorch๋ฅผ ์ฌ์ฉํ ์ปดํจํฐ ๋น์ โ self-paced course in advanced.
Quantum Computing Fundamentals
Quantum Computing Fundamentals โ self-paced course in advanced.
RabbitMQ โ Message Queues
RabbitMQ โ Message Queues โ self-paced course in intermediate.
RAG System Design Advanced
RAG System Design Advanced โ self-paced course in advanced.
React Native โ Cross-Platform Mobile
React Native โ Cross-Platform Mobile โ self-paced course in intermediate.
React.js โ ๋ชจ๋ UI ๊ฐ๋ฐ
React.js โ ๋ชจ๋ UI ๊ฐ๋ฐ โ self-paced course in intermediate.
Real-Time Operating Systems (RTOS)
Real-Time Operating Systems (RTOS) โ self-paced course in advanced.
Recommendation Systems
Recommendation Systems โ self-paced course in advanced.
Redis โ ์บ์ฑ ๋ฐ ์ธ๋ฉ๋ชจ๋ฆฌ ๋ฐ์ดํฐ
Redis โ ์บ์ฑ ๋ฐ ์ธ๋ฉ๋ชจ๋ฆฌ ๋ฐ์ดํฐ โ self-paced course in intermediate.
Reinforcement Learning
Reinforcement Learning โ self-paced course in advanced.
REST API โ ์ค๊ณ์ ๊ตฌ์ถ
REST API โ ์ค๊ณ์ ๊ตฌ์ถ โ self-paced course in intermediate.
Rust โ ๋๋ ค์ ์๋ ์์คํ ํ๋ก๊ทธ๋๋ฐ
Rust โ ๋๋ ค์ ์๋ ์์คํ ํ๋ก๊ทธ๋๋ฐ โ self-paced course in advanced.
Sagas & Distributed Transactions
Sagas & Distributed Transactions โ self-paced course in advanced.
Scala for Backend Development
Scala for Backend Development โ self-paced course in advanced.
Search Relevance & BM25
Search Relevance & BM25 โ self-paced course in advanced.
Search UI Patterns
Search UI Patterns โ self-paced course in intermediate.
SEO Engineering for Developers
SEO Engineering for Developers โ self-paced course in intermediate.
Serverless with AWS Lambda Advanced
Serverless with AWS Lambda Advanced โ self-paced course in advanced.
Service Mesh โ Istio & Linkerd
Service Mesh โ Istio & Linkerd โ self-paced course in advanced.
Site Reliability Engineering (SRE)
Site Reliability Engineering (SRE) โ self-paced course in advanced.
Snowflake โ Cloud Data Warehouse
Snowflake โ Cloud Data Warehouse โ self-paced course in intermediate.
Solana Development
Solana Development โ self-paced course in advanced.
Solid.js โ Fine-Grained Reactivity
Solid.js โ Fine-Grained Reactivity โ self-paced course in intermediate.
Solidity โ Ethereum์ ์ค๋งํธ ์ปจํธ๋ํธ
Solidity โ Ethereum์ ์ค๋งํธ ์ปจํธ๋ํธ โ self-paced course in advanced.
Speech Recognition with Whisper
Speech Recognition with Whisper โ self-paced course in intermediate.
SQL๊ณผ ๋ฐ์ดํฐ๋ฒ ์ด์ค โ ์ ๋ก๋ถํฐ ์ฟผ๋ฆฌ ๋ง์คํฐ๊น์ง
SQL๊ณผ ๋ฐ์ดํฐ๋ฒ ์ด์ค โ ์ ๋ก๋ถํฐ ์ฟผ๋ฆฌ ๋ง์คํฐ๊น์ง โ self-paced course in beginner.
Stable Diffusion โ AI ์ด๋ฏธ์ง ์์ฑ
Stable Diffusion โ AI ์ด๋ฏธ์ง ์์ฑ โ self-paced course in intermediate.
Strangler Fig โ Legacy Migration
Strangler Fig โ Legacy Migration โ self-paced course in advanced.
Supply Chain Security
Supply Chain Security โ self-paced course in advanced.
Svelte & SvelteKit โ Compiled UI
Svelte & SvelteKit โ Compiled UI โ self-paced course in intermediate.
Swift์ iOS ๊ฐ๋ฐ
Swift์ iOS ๊ฐ๋ฐ โ self-paced course in intermediate.
Synthetic Biology + Computing
Synthetic Biology + Computing โ self-paced course in advanced.
Tailwind CSS v4 โ Utility-First Styling
Tailwind CSS v4 โ Utility-First Styling โ self-paced course in intermediate.
Terraform โ ์ฌ์ธต Infrastructure as Code
Terraform โ ์ฌ์ธต Infrastructure as Code โ self-paced course in advanced.
Theory of Computation
Theory of Computation โ self-paced course in advanced.
Time-Series with InfluxDB
Time-Series with InfluxDB โ self-paced course in intermediate.
TypeScript โ ์ํผํ์๋ฅผ ๊ฐ์ง JavaScript
TypeScript โ ์ํผํ์๋ฅผ ๊ฐ์ง JavaScript โ self-paced course in intermediate.
Unreal Engine for Programmers
Unreal Engine for Programmers โ self-paced course in advanced.
Vector Search with FAISS
Vector Search with FAISS โ self-paced course in advanced.
Visual Regression Testing
Visual Regression Testing โ self-paced course in intermediate.
Vue.js โ ํ๋ก๊ทธ๋ ์๋ธ ํ๋ก ํธ์๋ ํ๋ ์์ํฌ
Vue.js โ ํ๋ก๊ทธ๋ ์๋ธ ํ๋ก ํธ์๋ ํ๋ ์์ํฌ โ self-paced course in intermediate.
Web Accessibility (WCAG 2.2)
Web Accessibility (WCAG 2.2) โ self-paced course in intermediate.
Web Animations โ GSAP & CSS
Web Animations โ GSAP & CSS โ self-paced course in intermediate.
Web Components & Lit
Web Components & Lit โ self-paced course in intermediate.
Web Performance โ Core Web Vitals
Web Performance โ Core Web Vitals โ self-paced course in intermediate.
WebAssembly โ ๊ณ ์ฑ๋ฅ ์น
WebAssembly โ ๊ณ ์ฑ๋ฅ ์น โ self-paced course in advanced.
WebAssembly Component Model
WebAssembly Component Model โ self-paced course in advanced.
WebGPU & 3D on the Web
WebGPU & 3D on the Web โ self-paced course in advanced.
Webhook Patterns
Webhook Patterns โ self-paced course in intermediate.
WebSockets & Real-Time Backend
WebSockets & Real-Time Backend โ self-paced course in intermediate.
Zig โ Modern Systems Programming
Zig โ Modern Systems Programming โ self-paced course in advanced.
zkSNARKs & Zero-Knowledge Proofs
zkSNARKs & Zero-Knowledge Proofs โ self-paced course in advanced.
๋ฐ์ดํฐ ์์ง๋์ด๋ง ํ์ดํ๋ผ์ธ
๋ฐ์ดํฐ ์์ง๋์ด๋ง ํ์ดํ๋ผ์ธ โ self-paced course in advanced.
๋์์ธ ํจํด๊ณผ ๋ก์ฐ ๋ ๋ฒจ ๋์์ธ
๋์์ธ ํจํด๊ณผ ๋ก์ฐ ๋ ๋ฒจ ๋์์ธ โ self-paced course in intermediate.
๋ฅ๋ฌ๋๊ณผ ์ ๊ฒฝ๋ง
๋ฅ๋ฌ๋๊ณผ ์ ๊ฒฝ๋ง โ self-paced course in advanced.
๋ง์ดํฌ๋ก์๋น์ค โ ํจํด๊ณผ ์ค์ฒ
๋ง์ดํฌ๋ก์๋น์ค โ ํจํด๊ณผ ์ค์ฒ โ self-paced course in advanced.
๋ชจ๋ JavaScript โ ES6๋ถํฐ Async/Await๊น์ง
๋ชจ๋ JavaScript โ ES6๋ถํฐ Async/Await๊น์ง โ self-paced course in intermediate.
๋ชจ๋ฐ์ผ ์ฑ ์ํคํ ์ฒ โ ํด๋ฆฐํ๊ณ ํ์ฅ ๊ฐ๋ฅํ
๋ชจ๋ฐ์ผ ์ฑ ์ํคํ ์ฒ โ ํด๋ฆฐํ๊ณ ํ์ฅ ๊ฐ๋ฅํ โ self-paced course in advanced.
๋ฒกํฐ ๋ฐ์ดํฐ๋ฒ ์ด์ค์ RAG
๋ฒกํฐ ๋ฐ์ดํฐ๋ฒ ์ด์ค์ RAG โ self-paced course in advanced.
์ฌ์ด๋ฒ ๋ณด์ ๊ธฐ์ด
์ฌ์ด๋ฒ ๋ณด์ ๊ธฐ์ด โ self-paced course in intermediate.
์์คํ ๋์์ธ โ ํ์ฅ์ฑ๊ณผ ์ํคํ ์ฒ
์์คํ ๋์์ธ โ ํ์ฅ์ฑ๊ณผ ์ํคํ ์ฒ โ self-paced course in advanced.
์น ๊ฐ๋ฐ ๊ธฐ์ด
์น ๊ฐ๋ฐ ๊ธฐ์ด โ self-paced course in beginner.
์ค๋ฆฌ์ ํดํน๊ณผ ์นจํฌ ํ ์คํ
์ค๋ฆฌ์ ํดํน๊ณผ ์นจํฌ ํ ์คํ โ self-paced course in advanced.
์๋ฃ๊ตฌ์กฐ์ ์๊ณ ๋ฆฌ์ฆ
์๋ฃ๊ตฌ์กฐ์ ์๊ณ ๋ฆฌ์ฆ โ self-paced course in intermediate.
์ปดํจํฐ ๋คํธ์ํน ๊ธฐ์ด
์ปดํจํฐ ๋คํธ์ํน ๊ธฐ์ด โ self-paced course in intermediate.
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