148 free resources to keep leveling up
Hand-picked free courses, tools, docs and platforms — from roadmap.sh and freeCodeCamp to local AI apps, agent frameworks and automation tools. “Free” means free to learn or use, or a genuinely useful free tier.
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freeCodeCamp
Thousands of hours of free, certified curricula: web dev, Python, data analysis, ML, and more.
Visit ↗roadmap.sh
Community-built visual roadmaps for every tech role — including AI Engineer, AI Agents and Prompt Engineering.
Visit ↗The Odin Project
Project-based full-stack JavaScript and Ruby curriculum, completely free and open source.
Visit ↗Harvard CS50
Harvard's legendary intro to computer science, plus CS50 AI and CS50 Python tracks.
Visit ↗Full Stack Open
University of Helsinki's modern web dev course: React, Node, GraphQL, TypeScript.
Visit ↗MDN Web Docs
The definitive reference for HTML, CSS, JavaScript and web APIs.
Visit ↗JavaScript.info
A thorough, modern JavaScript tutorial from basics to advanced topics.
Visit ↗Eloquent JavaScript
A free book that teaches programming through JavaScript, with interactive examples.
Visit ↗Automate the Boring Stuff
Free Python book aimed at automating everyday office tasks — perfect for freelancers.
Visit ↗Python Official Tutorial
The official, always-current Python tutorial.
Visit ↗Khan Academy
Free courses in computing, math and statistics — great foundations for ML.
Visit ↗W3Schools
Quick, example-driven references for web languages, SQL and Python.
Visit ↗Exercism
Coding practice in 70+ languages with free human mentoring.
Visit ↗Codewars
Level up with bite-sized coding challenges ranked by difficulty.
Visit ↗Frontend Mentor
Real-world front-end challenges with professional designs to build against.
Visit ↗web.dev
Google's courses on performance, accessibility and modern web best practices.
Visit ↗GitHub Skills
Interactive courses on Git, GitHub Actions, Copilot and more — run inside GitHub.
Visit ↗The Missing Semester (MIT)
Shell, Git, editors, debugging — the tools school never teaches.
Visit ↗Pro Git Book
The complete Git book, free online.
Visit ↗MIT OpenCourseWare
Free lecture videos, notes and exams from thousands of MIT courses.
Visit ↗free-programming-books
A massive, curated list of free programming books in dozens of languages.
Visit ↗fast.ai — Practical Deep Learning
Top-down, code-first deep learning course for people who already code a little.
Visit ↗Hugging Face Learn
Free courses on LLMs, NLP, diffusion, audio, computer vision and RL.
Visit ↗Hugging Face Agents Course
Build agents from scratch with smolagents, LlamaIndex and LangGraph — with certification.
Visit ↗DeepLearning.AI Short Courses
1–2 hour courses on agents, RAG, prompting, MCP, fine-tuning and more.
Visit ↗Google ML Crash Course
Google's fast-paced, practical introduction to machine learning.
Visit ↗Kaggle Learn
Hands-on micro-courses: Python, Pandas, ML, deep learning, SQL — in free notebooks.
Visit ↗Elements of AI
A gentle, non-technical intro to AI for business people and beginners.
Visit ↗Microsoft AI for Beginners
12-week, 24-lesson curriculum covering classic AI through neural networks.
Visit ↗Microsoft ML for Beginners
12-week classic machine learning curriculum with quizzes and projects.
Visit ↗Microsoft Generative AI for Beginners
21 lessons on building generative AI applications.
Visit ↗Microsoft AI Agents for Beginners
Lessons on agent design patterns, tool use, planning and multi-agent systems.
Visit ↗Neural Networks: Zero to Hero
Andrej Karpathy builds neural nets and a GPT from scratch, step by step.
Visit ↗3Blue1Brown — Neural Networks
Beautifully animated intuition for how neural networks and transformers work.
Visit ↗Dive into Deep Learning
Interactive deep learning textbook with runnable code in multiple frameworks.
Visit ↗Stanford CS224N
Stanford's NLP with deep learning course — lectures and materials.
Visit ↗Made With ML
Learn to design, develop, deploy and iterate on production ML systems.
Visit ↗LangChain Academy
Free courses on LangGraph, agent architectures and LLM app development.
Visit ↗Google Cloud Skills Boost
Free generative AI learning paths and labs from Google Cloud.
Visit ↗Coursera (audit mode)
Audit many AI courses for free, including Andrew Ng's classics.
Visit ↗edX
Free audit tracks from Harvard, MIT and more on AI, data and CS.
Visit ↗Anthropic Prompt Engineering Guide
Official, practical prompting techniques for Claude models.
Visit ↗Anthropic Courses (GitHub)
Free notebooks: prompt engineering tutorial, real-world prompting, tool use.
Visit ↗OpenAI Cookbook
Code examples and guides for common LLM tasks.
Visit ↗Prompt Engineering Guide
Open guide to prompting techniques, agents, RAG and model behavior.
Visit ↗Learn Prompting
Free, beginner-friendly prompt engineering course.
Visit ↗Google Gemini API Docs
Docs, cookbooks and a free tier for Gemini models.
Visit ↗Ollama Docs
API reference, Modelfile syntax, GPU setup and FAQs for running local models.
Visit ↗Hermes Agent (Nous Research)
Open-source, self-improving agent harness with memory, skills, MCP and messaging gateways.
Visit ↗Model Context Protocol
The open standard for connecting AI agents to tools, data and apps.
Visit ↗MCP Servers Directory
Reference and community MCP servers: files, Git, databases, browsers and more.
Visit ↗Claude Agent SDK
Build production agents on the same harness that powers Claude Code.
Visit ↗OpenAI Agents SDK
Lightweight Python framework for multi-agent workflows with handoffs and guardrails.
Visit ↗LangGraph
Build stateful, controllable agents as graphs — with persistence and human-in-the-loop.
Visit ↗CrewAI
Orchestrate role-playing teams of agents that collaborate on tasks.
Visit ↗Microsoft AutoGen
Framework for multi-agent conversations and agentic applications.
Visit ↗smolagents
Hugging Face's minimal library for agents that think in code.
Visit ↗Pydantic AI
Type-safe Python agent framework from the Pydantic team.
Visit ↗LlamaIndex
Framework for RAG and document agents over your own data.
Visit ↗OpenHands
Open-source autonomous software-engineering agent platform.
Visit ↗Aider
AI pair-programmer in your terminal; works with local and cloud models.
Visit ↗Dify
Open-source visual platform for building LLM apps, RAG and agents (self-hostable).
Visit ↗Flowise
Drag-and-drop builder for LLM flows and agents, open source.
Visit ↗Langflow
Visual, low-code builder for agents and RAG apps; open source.
Visit ↗Agent Skills
Open standard for portable, shareable agent skills.
Visit ↗Ollama
The easiest way to download and run open models locally on Mac, Windows and Linux.
Visit ↗Ollama Model Library
Browse open models (Llama, Qwen, Gemma, Mistral, DeepSeek, gpt-oss…) with one-line pulls.
Visit ↗LM Studio
Desktop app to discover, download and chat with local models; exposes an OpenAI-compatible server.
Visit ↗Jan
Open-source, offline ChatGPT-style desktop app.
Visit ↗llama.cpp
The high-performance C/C++ engine behind most local LLM tools.
Visit ↗Open WebUI
Self-hosted, feature-rich web chat UI for Ollama and OpenAI-compatible APIs.
Visit ↗GPT4All
Private, local chat app that runs on ordinary laptops, with local document chat.
Visit ↗AnythingLLM
All-in-one desktop app for local RAG, agents and document chat.
Visit ↗LocalAI
Self-hosted, OpenAI-compatible API for text, images and audio on consumer hardware.
Visit ↗vLLM
High-throughput inference server for serving open models on GPUs.
Visit ↗Hugging Face Model Hub
Over a million open models to download, compare and run.
Visit ↗Whisper (OpenAI)
Open speech-to-text model you can run locally for transcription.
Visit ↗ComfyUI
Node-based interface for running image-generation models locally.
Visit ↗n8n
Fair-code workflow automation with native AI agent nodes; free to self-host.
Visit ↗Activepieces
Open-source Zapier alternative with AI pieces; self-hostable.
Visit ↗Node-RED
Flow-based, open-source low-code tool for wiring together APIs and devices.
Visit ↗Windmill
Open-source platform for scripts, workflows and internal tools.
Visit ↗Zapier (free plan)
Connect 7,000+ apps; the free plan covers simple two-step automations.
Visit ↗Make (free plan)
Visual scenario builder with a free monthly operations allowance.
Visit ↗Pipedream (free tier)
Code-level workflows connecting APIs, with a generous free tier.
Visit ↗Google AI Studio
Prototype with Gemini models for free and grab an API key.
Visit ↗Groq Console
Ultra-fast inference for open models with a free developer tier.
Visit ↗OpenRouter
One API for hundreds of models, including many free-to-use models.
Visit ↗Cloudflare Workers AI
Run open models at the edge with a free daily allocation — pairs with Pages.
Visit ↗Hugging Face Spaces
Try thousands of AI demos in the browser, or host your own for free.
Visit ↗Google Colab
Free Jupyter notebooks in the cloud with limited free GPU access.
Visit ↗Kaggle Notebooks
Free notebooks with weekly GPU/TPU quotas and thousands of datasets.
Visit ↗Claude.ai (free plan)
Chat, write, analyze files and code with Claude on the free plan.
Visit ↗Cloudflare Pages
Free static hosting with global CDN — this very site runs here.
Visit ↗GitHub Pages
Host static sites directly from a GitHub repository.
Visit ↗Netlify (free tier)
Deploy sites and serverless functions with a free starter plan.
Visit ↗Vercel (hobby)
Free hobby hosting for front-end frameworks and AI apps.
Visit ↗Supabase (free tier)
Postgres, auth, storage and pgvector for AI apps — free tier included.
Visit ↗VS Code
Free, extensible code editor used by most developers.
Visit ↗GitHub Codespaces
Cloud dev environments with free monthly hours for personal accounts.
Visit ↗Docker Docs
Learn containers — essential for self-hosting n8n, Open WebUI and agents.
Visit ↗DevDocs
Fast, offline-capable combined API documentation browser.
Visit ↗regex101
Build, test and explain regular expressions interactively.
Visit ↗Postman (free)
Test and document APIs, including LLM APIs.
Visit ↗public-apis
A huge list of free public APIs to power projects and agent tools.
Visit ↗OWASP Top 10 for LLM Apps
Security risks for LLM applications — prompt injection, data leakage and more.
Visit ↗Figma (free plan)
Design UIs, mockups and prototypes collaboratively.
Visit ↗Canva (free)
Quick social graphics, decks and brand assets with built-in AI tools.
Visit ↗Excalidraw
Hand-drawn style whiteboard for diagrams and agent architectures.
Visit ↗Mermaid Live Editor
Write diagrams as text — great for documenting workflows.
Visit ↗Unsplash
Free high-quality stock photos for websites and content.
Visit ↗Google Fonts
Free, open-source fonts for any project.
Visit ↗Coolors
Generate and explore color palettes in seconds.
Visit ↗Grow with Google
Free digital skills training, including AI essentials for small businesses.
Visit ↗Google Skillshop
Free certifications for Google Ads, Analytics and more.
Visit ↗HubSpot Academy
Free courses on marketing, sales, CRM and AI-powered marketing.
Visit ↗Microsoft Learn
Free learning paths for Azure AI, Copilot and Power Automate.
Visit ↗AWS Skill Builder (free)
Free digital courses on cloud and generative AI fundamentals.
Visit ↗Y Combinator Startup School
Free program on building and growing a startup.
Visit ↗Kaggle Datasets
Hundreds of thousands of public datasets for practice and projects.
Visit ↗Hugging Face Datasets
Open datasets for training, evaluating and fine-tuning models.
Visit ↗Google Dataset Search
Search engine for datasets published across the web.
Visit ↗Our World in Data
Open, well-documented global data on hundreds of topics.
Visit ↗Hugging Face Open LLM Leaderboard
Compare open models on standard benchmarks before you download one.
Visit ↗LMArena
Crowd-sourced, head-to-head model rankings — and a free way to try many models.
Visit ↗ChatGPT (free)
OpenAI's assistant with a free tier for chat, writing and analysis.
Visit ↗Gemini
Google's assistant with Workspace integration and a free tier.
Visit ↗Microsoft Copilot
Free AI assistant integrated with Windows and Microsoft 365.
Visit ↗NotebookLM
Chat with and summarize your own sources; generates audio overviews.
Visit ↗Perplexity
Search-first AI answers with citations; useful for quick research.
Visit ↗Mistral Le Chat
Free assistant from Mistral AI, a leading open-weight model lab.
Visit ↗Anthropic — Building Effective Agents
The most practical guide to agent design patterns — short and essential.
Visit ↗12-Factor Agents
Principles for building reliable, production-grade LLM agents.
Visit ↗LLM Course (mlabonne)
Free roadmap and notebooks covering LLM fundamentals to fine-tuning.
Visit ↗Awesome LLM Apps
Dozens of runnable example apps: RAG, agents, multi-agent teams.
Visit ↗OpenAI Academy
Free workshops and guides on using AI at work.
Visit ↗Simon Willison's Weblog
Clear, practical writing on LLMs, prompt injection and tools.
Visit ↗arXiv (cs.AI / cs.CL)
Free access to the latest AI research papers.
Visit ↗NIST AI Risk Management Framework
Free framework for managing AI risks responsibly.
Visit ↗National Privacy Commission (PH)
Official guidance on the Philippine Data Privacy Act.
Visit ↗whisper.cpp
Fast local speech-to-text on CPUs and Apple Silicon.
Visit ↗Piper TTS
Fast, local neural text-to-speech with many voices.
Visit ↗Unsloth
Free notebooks to fine-tune open models faster with less memory.
Visit ↗LiteLLM
One OpenAI-style API in front of 100+ providers, including Ollama.
Visit ↗Chroma
Open-source vector database for RAG apps.
Visit ↗Qdrant
Open-source vector search engine with a free cloud tier.
Visit ↗Tailscale
Private networking to reach your local AI securely — free for personal use.
Visit ↗Cloudflare Tunnel
Expose self-hosted tools like n8n securely without opening ports.
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