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.
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 Plateforme de Streaming d'รvรฉnements
Apache Kafka โ Plateforme de Streaming d'รvรฉnements โ self-paced course in advanced.
Apache Spark โ Traitement Big Data
Apache Spark โ Traitement Big Data 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.
APIs REST โ Conception et Construction
APIs REST โ Conception et Construction 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.
Architecture d'Apps Mobiles โ Propre et Scalable
Architecture d'Apps Mobiles โ Propre et Scalable 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.
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.
Bases de Donnรฉes Vectorielles et RAG
Bases de Donnรฉes Vectorielles et RAG 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 Computing avec AWS
Cloud Computing avec AWS โ self-paced course in intermediate.
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.
Computer Vision avec PyTorch
Computer Vision avec PyTorch โ self-paced course in advanced.
Conception de Systรจmes โ Scalabilitรฉ et Architecture
Conception de Systรจmes โ Scalabilitรฉ et Architecture 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.
Deep Learning et Rรฉseaux Neuronaux
Deep Learning et Rรฉseaux Neuronaux โ self-paced course in advanced.
DeFi Patterns
DeFi Patterns โ self-paced course in advanced.
Design Patterns et Low-Level Design
Design Patterns et Low-Level Design โ self-paced course in intermediate.
Dรฉveloppement Kotlin et Android
Dรฉveloppement Kotlin et Android โ self-paced course in intermediate.
Dรฉveloppement Pilotรฉ par les Tests avec Jest
Dรฉveloppement Pilotรฉ par les Tests avec Jest โ self-paced course in intermediate.
Dรฉveloppement Swift et iOS
Dรฉveloppement Swift et iOS โ self-paced course in intermediate.
DevOps et Pipelines CI/CD
DevOps et Pipelines CI/CD 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.
Docker et Conteneurs
Docker et Conteneurs 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 Apps Mobiles Multiplateformes
Flutter โ Apps Mobiles Multiplateformes โ self-paced course in intermediate.
Fondamentaux de la Cybersรฉcuritรฉ
Fondamentaux de la Cybersรฉcuritรฉ โ self-paced course in intermediate.
Fondamentaux des Rรฉseaux
Fondamentaux des Rรฉseaux โ self-paced course in intermediate.
Fondamentaux du Dรฉveloppement Web
Fondamentaux du Dรฉveloppement Web โ self-paced course in beginner.
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.
Git et GitHub โ Gestion de Versions pour Dรฉveloppeurs
Git et GitHub โ Gestion de Versions pour Dรฉveloppeurs โ self-paced course in beginner.
GitOps with Argo CD
GitOps with Argo CD โ self-paced course in advanced.
Go โ Dรฉveloppement Backend Cloud-Native
Go โ Dรฉveloppement Backend Cloud-Native 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 Conception d'APIs Moderne
GraphQL โ Conception d'APIs Moderne โ self-paced course in intermediate.
gRPC & Protocol Buffers
gRPC & Protocol Buffers โ self-paced course in advanced.
Hacking รthique et Pentesting
Hacking รthique et Pentesting 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 De Zรฉro ร l'Entreprise
Java โ De Zรฉro ร l'Entreprise โ self-paced course in beginner.
JavaScript Moderne โ De ES6 ร Async/Await
JavaScript Moderne โ De ES6 ร Async/Await โ self-paced course in intermediate.
Kubernetes โ Orchestration de Conteneurs ร Grande รchelle
Kubernetes โ Orchestration de Conteneurs ร Grande รchelle โ self-paced course in advanced.
LangChain โ Construire des Applications LLM
LangChain โ Construire des Applications LLM 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.
Linux et Bash โ Ligne de Commande pour Dรฉveloppeurs
Linux et Bash โ Ligne de Commande pour Dรฉveloppeurs 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.
Machine Learning avec Python
Machine Learning avec Python โ self-paced course in intermediate.
Microservices โ Patterns et Pratiques
Microservices โ Patterns et Pratiques โ self-paced course in advanced.
Microsoft Azure for Developers
Microsoft Azure for Developers โ self-paced course in intermediate.
MLOps โ Machine Learning en Production
MLOps โ Machine Learning en Production 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.
MongoDB et Bases NoSQL
MongoDB et Bases NoSQL 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 Framework React Full-Stack
Next.js โ Framework React Full-Stack โ self-paced course in intermediate.
NFT Smart Contracts
NFT Smart Contracts โ self-paced course in advanced.
NLP et Large Language Models
NLP et Large Language Models โ self-paced course in advanced.
Node.js โ JavaScript Cรดtรฉ Serveur
Node.js โ JavaScript Cรดtรฉ Serveur 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.
Pipelines d'Ingรฉnierie de Donnรฉes
Pipelines d'Ingรฉnierie de Donnรฉes โ self-paced course in advanced.
Platform Engineering
Platform Engineering โ self-paced course in advanced.
PostgreSQL โ Requรชtes Avancรฉes et Performance
PostgreSQL โ Requรชtes Avancรฉes et Performance 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.
Prompt Engineering et Agents IA
Prompt Engineering et Agents IA 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.
Python pour l'IA โ De Zรฉro ร Agent
Python pour l'IA โ De Zรฉro ร Agent โ self-paced course in beginner.
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 Dรฉveloppement d'UI Moderne
React.js โ Dรฉveloppement d'UI Moderne 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 Caching et Donnรฉes en Mรฉmoire
Redis โ Caching et Donnรฉes en Mรฉmoire โ self-paced course in intermediate.
Reinforcement Learning
Reinforcement Learning โ self-paced course in advanced.
Rust โ Programmation Systรจme Sans Peur
Rust โ Programmation Systรจme Sans Peur 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 Smart Contracts sur Ethereum
Solidity โ Smart Contracts sur Ethereum โ self-paced course in advanced.
Speech Recognition with Whisper
Speech Recognition with Whisper โ self-paced course in intermediate.
SQL et Bases de Donnรฉes โ De Zรฉro ร Maรฎtre des Requรชtes
SQL et Bases de Donnรฉes โ De Zรฉro ร Maรฎtre des Requรชtes โ self-paced course in beginner.
Stable Diffusion โ Gรฉnรฉration d'Images IA
Stable Diffusion โ Gรฉnรฉration d'Images IA โ self-paced course in intermediate.
Strangler Fig โ Legacy Migration
Strangler Fig โ Legacy Migration โ self-paced course in advanced.
Structures de Donnรฉes et Algorithmes
Structures de Donnรฉes et Algorithmes โ self-paced course in intermediate.
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.
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 Infrastructure as Code en Profondeur
Terraform โ Infrastructure as Code en Profondeur 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 JavaScript avec Superpouvoirs
TypeScript โ JavaScript avec Superpouvoirs 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 Framework Frontend Progressif
Vue.js โ Framework Frontend Progressif 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 Web Haute Performance
WebAssembly โ Web Haute Performance 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.
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