All 137 Free Courses
Every course is 5 days, self-paced, and free forever. No account needed — click any course and start reading. Each day takes 45–90 minutes and ends with working code you built yourself.
Showing 137 courses
5 Days
Free
Engineering & Career
Agile & Scrum
Free 5-day Agile and Scrum course. Sprints, ceremonies, user stories, estimation, and tools — practical for developers...
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5 Days
Free
AI & Tools
AI Agents Course: Build Autonomous AI Systems
Free 5-day AI agents course. Build autonomous AI systems from scratch — tools, memory, multi-agent systems, and produc...
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Free
5 Days
Free
AI & Tools
AI Automation: No Code
Free no-code AI automation course. Learn Zapier + AI, Make, n8n, automated email and document workflows, and build a c...
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Free
5 Days
Free
Business & Industry
AI for Consultants
Free 5-day course for consultants. Learn to use AI for research, deliverables, client engagement, and strategy. Practi...
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5 Days
Free
Business & Industry
AI for Education
Free AI course for teachers and educators. Learn AI tools for lesson planning, grading, assessment, academic integrity...
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Free
5 Days
Free
Business & Industry
AI for Finance Professionals
Free AI course for finance professionals. Learn AI tools for financial analysis, automated reconciliation, forecasting...
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5 Days
Free
Business & Industry
AI for Freelancers
Free 5-day course for freelancers. Use AI to find clients, price your work, write proposals, deliver faster, and scale...
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5 Days
Free
Business & Industry
AI for Healthcare Professionals
Free AI course for healthcare professionals. Learn clinical AI tools, AI for documentation, ethics, and how to build A...
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5 Days
Free
Business & Industry
AI for HR Professionals
Free 5-day course for HR professionals. Use AI for recruiting, performance reviews, policy writing, and HR analytics.
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5 Days
Free
Business & Industry
AI for Legal Professionals
Free AI course for lawyers and legal professionals. Learn AI for contract review, legal research, due diligence, confi...
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5 Days
Free
Business & Industry
AI for Managers
Free 5-day course for managers and business leaders. Evaluate AI tools, build business cases, lead pilots, and create...
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5 Days
Free
Business & Industry
AI for Marketing
Learn to use AI for content creation, SEO, social media, email, and building an AI-first marketing strategy. Free 5-da...
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5 Days
Free
Business & Industry
AI for Project Managers
Learn how AI transforms project management in 5 days. Planning, scheduling, status reporting, risk management, and lea...
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5 Days
Free
Business & Industry
AI-Powered Research
Free 5-day course on AI-powered research with Claude and Perplexity. Query patterns, research briefs, deep analysis, a...
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5 Days
Free
Business & Industry
AI for Sales Professionals
Learn how to use AI in your sales process. Prospecting, outreach, deal management, and forecasting — 5 days, no techni...
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Free
5 Days
Free
Business & Industry
AI for Small Business Owners
Free 5-day course for small business owners. Use AI for customer service, marketing, operations, financial analysis, a...
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Free
5 Days
Free
AI & Tools
Web Analytics
Free 5-day web analytics course. GA4 setup, event tracking, conversion measurement, dashboards, and reporting that dri...
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Free
5 Days
Free
Frontend & Mobile
Angular
Free 5-day Angular in 5 Days course. Build full-featured web applications with Angular's powerful component architectu...
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5 Days
Free
Hardware & Systems
Google Antigravity
Free 5-day Google Antigravity in 5 Days course. Google Antigravity is agent-first development — set up your project, d...
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Free
5 Days
Free
Backend & Data
API Development for AI
Free 5-day course on building AI-powered APIs with FastAPI. Build REST endpoints, add AI capabilities, handle auth and...
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Free
5 Days
Free
Cloud & DevOps
AWS for AI
Learn AWS for AI in 5 days. AWS Bedrock, S3, Lambda, Knowledge Bases, and deploying AI apps. Free self-paced course fo...
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Free
5 Days
Free
Cloud & DevOps
Deploy to AWS
Learn to deploy on AWS from scratch in 5 days. Static sites, Python apps, RDS databases, custom domains, HTTPS.
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Free
5 Days
Free
Cloud & DevOps
Azure
Free 5-day Azure in 5 Days course. Azure is the cloud platform of choice for enterprise and government. Learn the port...
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5 Days
Free
Hardware & Systems
Build a PC
Free 5-day PC building course. Components, compatibility, assembly, BIOS setup, and troubleshooting.
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5 Days
Free
Math & Theory
Calculus for AI
Free 5-day calculus for AI course. Derivatives, gradients, chain rule, optimization, and gradient descent.
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5 Days
Free
Security & Networking
CCNA Prep
Free 5-day CCNA prep course. Routing, switching, IP services, security, and automation for the Cisco CCNA exam.
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Free
5 Days
Free
AI & Tools
Build an AI Chatbot with Node.js
Free 5-day course. Build a production AI chatbot with Node.js, Express, and the Anthropic Claude API. Streaming, RAG,...
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5 Days
Free
AI & Tools
ChatGPT Course
Free 5-day ChatGPT course. Go from basic chat to Custom GPTs, data analysis, AI stacks, and workflows that save 5+ hou...
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5 Days
Free
Cloud & DevOps
CI/CD
Free 5-day CI/CD in 5 Days course. Continuous Integration and Continuous Deployment automate testing and shipping. Lea...
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5 Days
Free
Hardware & Systems
Circuit Basics
Free 5-day electronics course. Voltage, current, resistors, capacitors, and hands-on breadboard projects.
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Free
5 Days
Free
Security & Networking
Cisco Networking
Free 5-day Cisco networking course. IOS CLI, routing protocols, ACLs, NAT, and CCNA exam prep.
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Free
5 Days
Free
AI & Tools
Claude Code Course
Free 5-day Claude Code course. Learn to use Anthropic's CLI coding agent for multi-file projects, debugging, testing,...
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5 Days
Free
AI & Tools
Claude Desktop Course
Free 5-day Claude Desktop course. Learn MCP, projects, file access, and advanced workflows. Go from beginner to Claude...
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5 Days
Free
AI & Tools
How to Use Claude AI
Free 5-day course: learn how to use Claude AI for real work. Documents, writing, projects, and advanced workflows. Pra...
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5 Days
Free
Engineering & Career
Clean Code
Free 5-day clean code course. Naming, functions, SOLID principles, refactoring techniques, and running effective code...
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5 Days
Free
Security & Networking
CompTIA A+
Free 5-day CompTIA A+ prep course. Hardware, networking, mobile, troubleshooting, and exam strategies.
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5 Days
Free
Hardware & Systems
Computer Architecture
Free 5-day computer architecture course. CPU design, memory hierarchy, cache, pipelines, and GPU architecture explaine...
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5 Days
Free
Programming
C#
Free 5-day C# course. .NET fundamentals, ASP.NET Core APIs, Entity Framework, Blazor UI, and deploying to the cloud.
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5 Days
Free
Business & Industry
CTO Skills
Free 5-day CTO skills course. Architecture decisions, team building, tech strategy, vendor management, and board commu...
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5 Days
Free
AI & Tools
Cursor IDE Mastery
Master the Cursor IDE in 5 days. Tab completion, Composer, .cursorrules, and Claude Code integration. Free self-paced...
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Free
5 Days
Free
Security & Networking
Cybersecurity + AI
Learn how AI is transforming cybersecurity. Threat detection, LLM-powered log analysis, AI vulnerability scanning, and...
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Free
5 Days
Free
AI & Tools
Data Analysis with AI
Learn data analysis with AI in 5 days. Go from spreadsheets to Python, pandas, and AI-powered insights. Free self-pace...
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5 Days
Free
Backend & Data
Data Engineering
Free 5-day Data Engineering in 5 Days course. Data engineers build the pipelines that make data useful. Learn ETL, dat...
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5 Days
Free
Backend & Data
Data Modeling
Free 5-day data modeling course. ER diagrams, normalization, dimensional modeling, NoSQL patterns, schema evolution.
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5 Days
Free
AI & Tools
Data Visualization with Python
Learn data visualization with Python in 5 days. Matplotlib, Seaborn, Plotly, design principles, and a complete visual...
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5 Days
Free
Backend & Data
Database Internals
Free 5-day database internals course. B-trees, WAL, MVCC, query planning, and storage engines.
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5 Days
Free
Engineering & Career
Design Patterns
Free 5-day Design Patterns in 5 Days course. Design patterns are proven solutions to recurring software problems. Lear...
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5 Days
Free
Math & Theory
Discrete Math
Free 5-day discrete mathematics course. Logic, sets, graph theory, combinatorics, and mathematical proofs.
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Free
5 Days
Free
Math & Theory
Distributed Systems
Free 5-day distributed systems course. CAP theorem, consensus, replication, sharding, and eventual consistency.
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Free
5 Days
Free
Backend & Data
Django
Free 5-day Django in 5 Days course. Django is the fastest way to build a production-ready web application in Python. B...
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Free
5 Days
Free
Cloud & DevOps
Docker for AI Applications
Free 5-day course on Docker for AI apps. Build, containerize, compose, and deploy Python AI applications to AWS with D...
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Free
5 Days
Free
Engineering & Career
Data Structures & Algorithms
Free 5-day data structures and algorithms course. Arrays, trees, graphs, sorting, and dynamic programming with clear e...
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Free
5 Days
Free
Business & Industry
Email Marketing
Free 5-day email marketing course. List building, automation sequences, design, A/B testing, and analytics using Mailc...
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Free
5 Days
Free
AI & Tools
Excel to AI Data Skills Upgrade
Go from Excel power user to Python + AI in 5 days. Learn pandas, automate reports, and let AI analyze your spreadsheet...
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Free
5 Days
Free
Backend & Data
Express.js
Free 5-day Express.js in 5 Days course. Express is the most popular Node.js framework. Build REST APIs, connect to Mon...
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Free
5 Days
Free
Business & Industry
AI for Federal Employees
Free 5-day course for federal employees. Understand AI, comply with OMB M-25-21, write use cases, and build your agenc...
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Free
5 Days
Free
Backend & Data
Firebase
Free 5-day Firebase in 5 Days course. Firebase is Google's app development platform. Get authentication, a NoSQL datab...
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Free
5 Days
Free
Backend & Data
Flask
Free 5-day Flask in 5 Days course. Flask is a lightweight Python web framework that gives you just what you need — no...
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Free
5 Days
Free
Frontend & Mobile
Flutter
Free 5-day Flutter in 5 Days course. Flutter uses Dart and renders its own UI — pixel-perfect on iOS, Android, web, an...
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Free
5 Days
Free
AI & Tools
Build a Full-Stack AI App
Learn to build a complete full-stack AI app in 5 days. Frontend, API, database, Claude AI integration, and production...
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Free
5 Days
Free
Cloud & DevOps
Google Cloud
Free 5-day Google Cloud in 5 Days course. Google Cloud powers YouTube, Gmail, and thousands of enterprise systems. Lea...
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Free
5 Days
Free
Engineering & Career
Git and GitHub for AI Projects
Free 5-day Git and GitHub course. Learn commits, branches, pull requests, GitHub Actions, and managing AI projects wit...
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Free
5 Days
Free
Backend & Data
Go
Free 5-day Go course. Goroutines, channels, HTTP servers, CLI tools, and deploying Go applications to production.
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Free
5 Days
Free
Backend & Data
GraphQL
Free 5-day GraphQL in 5 Days course. GraphQL replaces REST for complex APIs. Clients ask for exactly what they need —...
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Free
5 Days
Free
Hardware & Systems
How CPUs Work
Free 5-day course on CPU internals. Transistors, logic gates, ALU, instruction execution, and modern CPU design.
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Free
5 Days
Free
Programming
Java
Free 5-day Java course. OOP, collections, Spring Boot REST APIs, JDBC database access, and deploying Java applications...
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Free
5 Days
Free
Programming
JavaScript AI Development
Free 5-day course on building AI apps with JavaScript and the Anthropic Claude API. Streaming, Express servers, file p...
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Free
5 Days
Free
Programming
Kotlin
Free 5-day Kotlin course. Kotlin syntax, Android basics, Jetpack Compose UI, Room database, and publishing to the Play...
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Free
5 Days
Free
Cloud & DevOps
Kubernetes
Free 5-day Kubernetes in 5 Days course. Kubernetes is the industry standard for container orchestration. Learn pods, s...
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Free
5 Days
Free
AI & Tools
LangChain
Learn LangChain in 5 days. Build chains, memory, RAG pipelines, agents, and LangGraph workflows. Free self-paced cours...
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Free
5 Days
Free
Math & Theory
Linear Algebra for ML
Free 5-day linear algebra for machine learning course. Vectors, matrices, eigenvalues, PCA, and AI applications.
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Free
5 Days
Free
Cloud & DevOps
Linux Administration
Free 5-day Linux administration course. Users, services, storage, networking, and shell automation.
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Free
5 Days
Free
Cloud & DevOps
Linux
Free 5-day Linux in 5 Days course. Every server runs Linux. Learn the terminal, file system, permissions, process mana...
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Free
5 Days
Free
AI & Tools
Machine Learning Fundamentals
Learn machine learning from scratch in 5 days. Supervised learning, scikit-learn, decision trees, model evaluation, an...
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Free
5 Days
Free
Backend & Data
Microservices
Free 5-day microservices course. Learn architecture patterns, API gateways, service communication, and production depl...
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Free
5 Days
Free
Backend & Data
MongoDB
Free 5-day MongoDB in 5 Days course. MongoDB stores data as flexible JSON documents — perfect for modern apps. Learn C...
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Free
5 Days
Free
AI & Tools
Multi-Agent AI Systems
Free 5-day course on building multi-agent AI systems with Claude. Orchestrators, debate loops, parallel pipelines, and...
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Free
5 Days
Free
Security & Networking
Network Administration
Free 5-day network administration course. Switches, routers, VLANs, DHCP, DNS, and monitoring.
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Free
5 Days
Free
Security & Networking
Networking for Developers
Free 5-day Networking for Developers course. DNS, HTTP, TCP/IP, load balancers, CDNs — you use these every day. Unders...
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Free
5 Days
Free
Frontend & Mobile
Next.js Full-Stack
Learn Next.js from scratch in 5 days. Pages, routing, server components, API routes, Prisma, Auth, and Vercel deploy....
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Free
5 Days
Free
Engineering & Career
Open Source
Free 5-day open source course. Finding issues, making pull requests, understanding licenses, maintaining a repo, and b...
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Free
5 Days
Free
Hardware & Systems
How Operating Systems Work
Free 5-day operating systems course. Processes, memory, file systems, scheduling, and virtual memory.
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Free
5 Days
Free
Hardware & Systems
PCB Design
Free 5-day PCB design course. Schematics, layout, component selection, KiCad, and manufacturing.
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Free
5 Days
Free
Programming
PHP
Free 5-day PHP course. PHP syntax, Laravel framework, Eloquent ORM, authentication, and deploying to production.
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Free
5 Days
Free
Backend & Data
PostgreSQL for Developers
Learn PostgreSQL from scratch in 5 days. SELECT to window functions, pgvector for AI, and production deployment.
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Free
5 Days
Free
Business & Industry
Product Management
Free 5-day product management course. Discovery, roadmaps, metrics, stakeholder management, and shipping products that...
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Free
5 Days
Free
AI & Tools
Prompt Engineering Course
Learn prompt engineering in 5 days. Master chain-of-thought, few-shot prompting, system prompts, structured output, an...
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Free
5 Days
Free
Programming
Python for AI
Learn Python for AI in 5 days. Build real data pipelines, call AI APIs, and analyze data with pandas. Free self-paced...
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Free
5 Days
Free
Hardware & Systems
Raspberry Pi
Free 5-day Raspberry Pi course. Setup, GPIO, Python projects, sensors, and IoT integration.
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Free
5 Days
Free
Frontend & Mobile
React + AI
Free 5-day course on building AI-powered web apps with React. Call AI APIs, build streaming chat interfaces, add RAG,...
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Free
5 Days
Free
Frontend & Mobile
React Native
Free 5-day React Native in 5 Days course. Write one codebase and ship iOS and Android apps. React Native uses real nat...
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Free
5 Days
Free
Backend & Data
Redis
Free 5-day Redis in 5 Days course. Redis is an in-memory data store used for caching, sessions, pub/sub messaging, and...
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Free
5 Days
Free
Programming
Rust
Free 5-day Rust course. Ownership, borrowing, structs, traits, and async Rust — practical systems programming from fir...
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Free
5 Days
Free
Backend & Data
Build a SaaS with AI
Free 5-day course on building an AI-powered SaaS. MVP architecture, AI core features, Stripe payments, auth, and launc...
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Free
5 Days
Free
Security & Networking
Security+
Free 5-day CompTIA Security+ prep course. Threats, architecture, implementation, operations, and exam strategies.
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Free
5 Days
Free
Hardware & Systems
Sensors and Actuators
Free 5-day sensors and actuators course. Temperature, motion, light sensors, motors, and microcontroller integration.
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Free
5 Days
Free
Engineering & Career
SEO
Free 5-day SEO course. Keyword research, on-page SEO, technical SEO, content strategy, and link building that works in...
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Free
5 Days
Free
Engineering & Career
Shopify Development
Free 5-day Shopify development course. Themes, Liquid templating, Shopify apps, checkout customization, and store laun...
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Free
5 Days
Free
Backend & Data
SQL for AI and Data
Learn SQL in 5 days. Go from your first SELECT to window functions, CTEs, and building a full data pipeline with Pytho...
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Free
5 Days
Free
Math & Theory
Statistics for Data Science
Learn statistics for data science in 5 days. Descriptive stats, probability, hypothesis testing, regression, and stati...
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Free
5 Days
Free
Backend & Data
Stripe Integration
Free 5-day Stripe course. Checkout, subscriptions, webhooks, invoices, and Stripe Connect for marketplace payments.
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Free
5 Days
Free
Backend & Data
Supabase
Free 5-day Supabase in 5 Days course. Supabase is the open-source Firebase alternative. Get a full backend — auth, Pos...
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Free
5 Days
Free
Frontend & Mobile
Svelte
Free 5-day Svelte in 5 Days course. Svelte compiles away the framework at build time — no virtual DOM, smaller bundles...
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Free
5 Days
Free
Programming
Swift
Free 5-day Swift course. Swift syntax, SwiftUI views, networking, CoreData persistence, and App Store submission.
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Free
5 Days
Free
Engineering & Career
System Design
Free 5-day system design course. Learn scalability, caching, databases, load balancing, and how to design real systems...
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5 Days
Free
Frontend & Mobile
Tailwind CSS
Free 5-day Tailwind CSS in 5 Days course. Stop writing custom CSS. Tailwind's utility classes let you build beautiful,...
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5 Days
Free
Security & Networking
TCP/IP Deep Dive
Free 5-day TCP/IP course. OSI model, IP addressing, routing, TCP vs UDP, and hands-on Wireshark packet analysis.
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Free
5 Days
Free
Engineering & Career
Tech Interview Prep with AI
Free 5-day course on using AI to prepare for technical interviews. DSA practice, system design, behavioral stories, an...
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Free
5 Days
Free
Engineering & Career
Technical Writing
Free 5-day technical writing course. API docs, READMEs, tutorials, style guides, and docs-as-code workflows for develo...
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Free
5 Days
Free
Cloud & DevOps
Terraform
Free 5-day Terraform in 5 Days course. Terraform lets you define your entire cloud infrastructure as code. Version-con...
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Free
5 Days
Free
Engineering & Career
Software Testing
Free 5-day Software Testing in 5 Days course. Untested code is broken code you haven't found yet. Learn unit tests, in...
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Free
5 Days
Free
Engineering & Career
Twilio
Free 5-day Twilio course. SMS, voice calls, WhatsApp messaging, phone number verification, and video with Twilio.
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Free
5 Days
Free
Engineering & Career
UX Design
Free 5-day UX design course. User research, wireframes, Figma prototyping, usability testing, and developer handoff.
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Free
5 Days
Free
AI & Tools
Vibe Coding Course: Build Real Apps with AI
Free 5-day vibe coding course. Learn to build real web apps with AI using Cursor, Claude Code, and Replit — no coding...
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Free
5 Days
Free
Frontend & Mobile
Vue.js
Free 5-day Vue.js course. Learn components, reactivity, Pinia state management, Vue Router, and deployment. Practical,...
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Free
5 Days
Free
Security & Networking
Web Security for AI Apps
Free 5-day course on web security for AI applications. JWT, OAuth 2.0, CSRF, XSS, rate limiting, and production securi...
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Free
5 Days
Free
Engineering & Career
Web3 Basics
Free 5-day Web3 course. Blockchain fundamentals, smart contracts in Solidity, wallets, DApps, and an honest look at We...
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Free
5 Days
Free
Engineering & Career
WebSockets
Free 5-day course on WebSockets and Socket.io. Build real-time chat, notifications, and scalable WebSocket servers fro...
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Free
5 Days
Free
Security & Networking
Windows Server
Free 5-day Windows Server course. Active Directory, Group Policy, IIS, PowerShell automation, and Hyper-V.
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Free
5 Days
Free
Security & Networking
Wireless Networking
Free 5-day wireless networking course. WiFi, Bluetooth, cellular, mesh networking, and wireless security.
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Free
5 Days
Free
Engineering & Career
WordPress
Free 5-day WordPress course. Setup, themes, plugins, WooCommerce e-commerce, and SEO for beginners and developers.
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Free
5 Days
Free
Hardware & Systems
Arduino
Free 5-day Arduino course. Microcontrollers, sensors, actuators, breadboard wiring, and your first embedded projects.
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Free
5 Days
Free
Programming
Assembly Language
Free 5-day assembly language course. x86-64 registers, memory, arithmetic, system calls, and calling conventions.
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Free
5 Days
Free
Programming
C Programming
Free 5-day C programming course. Pointers, memory management, structs, file I/O, and building command-line tools.
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Free
5 Days
Free
Security & Networking
Cryptography
Free 5-day cryptography course. Symmetric and asymmetric encryption, hashing, TLS, PKI, and applied crypto in code.
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Free
5 Days
Free
Hardware & Systems
Edge Computing
Free 5-day edge computing course. Edge vs cloud, latency-sensitive deployments, MQTT, and running AI models at the edge.
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Free
5 Days
Free
Programming
Elixir
Free 5-day Elixir course. Functional programming, pattern matching, OTP, GenServers, and building fault-tolerant systems.
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Free
5 Days
Free
Security & Networking
Ethical Hacking
Free 5-day ethical hacking course. Reconnaissance, scanning, exploitation, post-exploitation, and reporting on lab targets.
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Free
5 Days
Free
Hardware & Systems
Firmware Development
Free 5-day firmware development course. Bare-metal C, interrupt handling, UART, SPI, I2C, and deploying to real hardware.
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Free
5 Days
Free
Programming
Haskell
Free 5-day Haskell course. Pure functions, types, monads, functors, and building reliable programs through type safety.
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Free
5 Days
Free
Hardware & Systems
IoT
Free 5-day IoT course. Device provisioning, MQTT, cloud connectivity, sensor pipelines, and a full end-to-end IoT project.
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Free
5 Days
Free
Security & Networking
Network Security
Free 5-day network security course. Firewalls, VPNs, IDS/IPS, packet analysis with Wireshark, and hardening techniques.
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Free
5 Days
Free
Security & Networking
Penetration Testing
Free 5-day penetration testing course. Scoping, Kali Linux, Metasploit, web app attacks, and writing professional pentest reports.
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Free
5 Days
Free
Programming
R Programming
Free 5-day R programming course. Tidyverse, ggplot2, statistical modeling, and building reproducible data analysis reports.
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Free
5 Days
Free
Hardware & Systems
RTOS
Free 5-day RTOS course. Real-time operating systems, FreeRTOS tasks, queues, semaphores, and deterministic scheduling.
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Free
5 Days
Free
Programming
Scala
Free 5-day Scala course. Functional + object-oriented programming, Akka, Spark basics, and building type-safe applications.
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Free
5 Days
Free
Security & Networking
SOC Operations
Free 5-day SOC course. Triage, SIEM, threat hunting, incident response playbooks, and Level 1 analyst workflows.
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Free