Directory

AI tools and resources

Curated and current: the tools worth knowing, and material that goes deeper than the book.

LearningFree

3Blue1Brown: Neural Networks

Grant Sanderson's animated video series explains how neural networks learn, from a single neuron through backpropagation up to how a GPT-style transformer predicts the next word. No coding required; the best visual intuition for beginners.

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Images & designFreemium

Adobe Firefly

Adobe's generative image and design model, trained on licensed and public-domain content and integrated into Photoshop, Illustrator and Express. Positioned for commercial use where copyright provenance of training data matters.

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LearningFreemium

Ahead of AI

Sebastian Raschka's newsletter with technical deep dives into how specific LLM architectures and training techniques work, plus regular research roundups. Most core posts are free.

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LearningFree

Andrej Karpathy: Intro to Large Language Models

A one-hour, general-audience talk explaining what LLMs are, how they are trained and where the technology is heading, using analogies rather than code or math. A natural next step right after an introductory LLM book.

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LearningFree

Andrej Karpathy: Neural Networks: Zero to Hero

A video series that builds neural networks, a character-level language model and eventually a small GPT from scratch in Python, line by line. Intermediate to advanced, for readers who want to implement what a beginner book only described.

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LearningFree

Arena (LLM leaderboard)

A live leaderboard where users compare responses from different AI models head to head and vote, producing rankings based on human preference rather than a fixed test set. A beginner-friendly way to see which models are currently rated best.

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LearningFree

Artificial Analysis

An independent benchmarking site comparing over 250 LLMs side by side on intelligence, price, speed and context window, updated continuously as new models ship. Useful for putting numbers behind model claims.

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LearningFree

Attention Is All You Need (paper)

The 2017 paper that introduced the Transformer architecture underlying essentially every modern LLM. Dense original research, best read after one of the visual explainers, but worth having as the primary source.

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Images & designFreemium

Canva

Design platform for non-designers that has added AI image generation (Magic Media), background removal and text tools on top of its drag-and-drop editor. Free tier plus paid Pro plan.

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AssistantsFreemium

ChatGPT

OpenAI's general-purpose chat assistant for writing, coding, research and image generation, with a free tier and paid Plus/Pro tiers. The most widely used consumer AI assistant and a reasonable default choice for beginners.

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AssistantsFreemium

Claude

Anthropic's chat assistant, known for careful writing, long-document handling and coding via the separate Claude Code tool. Free with usage limits, plus paid Pro/Max plans.

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CodingFreemium

Claude Code

Anthropic's command-line coding agent that reads, edits, tests and runs code across a whole repository, used for larger refactors and multi-step programming tasks. Usage is billed through a Claude Pro/Max subscription or API credits.

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ResearchFreemium

Consensus

AI search engine over roughly 200 million peer-reviewed papers that summarizes what the evidence says on a research question and shows a visual consensus meter. Free tier with limited AI credits plus a paid plan.

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CodingFreemium

Cursor

A fork of VS Code rebuilt around AI pair-programming, with codebase-wide context, multi-file edits and an autonomous agent mode. Aimed at developers who want AI woven into the whole editor rather than bolted on as a plugin.

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WritingFreemium

DeepL Write

Writing assistant from the German-founded translation company DeepL that improves grammar, tone and phrasing in your own language rather than translating it. Included in DeepL's free plan, with more usage in paid plans.

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LearningFree

Elements of AI (deutsch)

A free, self-paced German-language introduction to AI from the University of Helsinki, requiring no math or programming background and completed by over 2 million people worldwide. Broader than just LLMs, a well-established starting point.

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Audio & videoFreemium

ElevenLabs

Text-to-speech and voice-cloning platform producing near-natural voices in many languages, used for audiobooks, dubbing and voiceovers. Free tier with limited characters plus paid usage-based plans.

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ResearchFreemium

Elicit

AI research assistant built on the Semantic Scholar database for finding, screening and extracting data from academic papers, aimed at literature reviews. Free tier plus paid plans for higher volume.

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LearningFree

fast.ai: Practical Deep Learning for Coders

Jeremy Howard's free, code-first deep learning course that has students training real models in the first lesson before circling back to theory. Intermediate level, some Python helpful, eventually covers the building blocks behind language models.

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AssistantsFreemium

Gemini

Google's chat assistant, deeply integrated into Search, Workspace (Docs, Gmail) and Android. Free tier plus paid Google AI subscriptions for higher limits and more capable models.

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CodingFreemium

GitHub Copilot

AI coding assistant built into VS Code, JetBrains IDEs and GitHub.com, offering autocomplete, chat and agent-style multi-file edits. Limited free tier plus paid individual/business plans.

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WritingFreemium

Grammarly

Writing assistant that checks grammar, tone and clarity across browsers, Word and other apps, now with generative AI rewriting added on top of its original correction engine. Free tier plus paid Premium/Business plans.

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Audio & videoFreemium

HeyGen

AI avatar and video-translation tool that can lip-sync a video into other languages or generate a talking avatar from a script. Free tier plus paid plans.

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Local & open sourceFreemium

Hugging Face

The largest hub for open-weight models, datasets and demo apps (Spaces), plus paid inference and training infrastructure. The default place to find and download open models before running them locally.

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LearningFree

Hugging Face LLM Course

A free, hands-on, 12-chapter course from Hugging Face that teaches how to use and fine-tune real transformer models with their open-source libraries. Requires basic Python, for readers who want to start building.

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LearningFree

Hugging Face Trending Papers

A daily-updated feed of the AI research papers gaining the most attention, each linked to its code, discussion and arXiv page. Effectively the successor to the retired Papers with Code.

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Images & designFreemium

Ideogram

AI image generator distinguished by its ability to render legible text inside images, useful for posters, logos and social graphics. Free tier plus paid plans.

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LearningFree

Import AI

A weekly newsletter by Anthropic co-founder Jack Clark covering AI research papers, policy and where the field is headed. Denser and more research-focused than The Batch, widely read among practitioners.

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WritingPaid

Jasper

AI writing platform aimed at marketing teams, with brand-voice controls and templates for ads, blog posts and campaigns. No permanent free tier, only paid plans after a trial.

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LearningFree

KI-Campus: Transformer verstehen

A free German-language course (about 10 hours, with an English toggle) explaining the Transformer architecture behind modern LLMs, covering attention conceptually without code or heavy math. One of the few solid LLM explainers written natively in German.

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AssistantsFreemium

Le Chat

Chat assistant from the French AI lab Mistral, built on Mistral's own open and proprietary models. Free tier, paid Pro/Team plans, notable as a European alternative with EU-based data handling.

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Images & designFreemium

Leonardo.Ai

AI image generator aimed at game and product designers, with fine-grained control over style, custom models and consistent characters. Free tier with daily credits plus paid plans.

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Local & open sourceOpen source

Llama (Meta)

Meta's family of open-weight language models, downloadable and runnable locally or via cloud providers, widely used as the base for fine-tuned and local chatbots. Free for most organizations under Meta's community license.

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LearningFree

LLM Visualization

Brendan Bycroft's zoomable 3D walkthrough of a working GPT-style network, tracing every matrix multiplication from input tokens to output logits. More granular than Transformer Explainer, suited to intermediate readers.

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Local & open sourceFree

LM Studio

Desktop app with a chat interface and local API server for running open-weight models on your own computer, aimed at people who want a graphical alternative to Ollama's command line. Free to use, closed source.

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Automation & agentsFreemium

Make

Visual, node-based automation platform similar to Zapier but with a more detailed flow editor, popular for complex multi-branch automations. Free tier plus paid plans by operations count.

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Images & designPaid

Midjourney

AI image generator known for its distinctive, stylized visual output, used through Discord or its own web app. Subscription-only, with no permanent free tier.

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Automation & agentsFreemium

n8n

Workflow automation tool that is fair-code licensed and free to self-host, with a paid cloud version for those who don't want to run their own server. Popular with developers who want automation without vendor lock-in.

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ResearchFreemium

NotebookLM

Google's source-grounded research and note-taking tool that answers questions and generates audio summaries strictly from documents you upload, which limits (but does not eliminate) the risk of invented facts. Free for any Google account; a paid tier is bundled into Google AI subscriptions.

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Local & open sourceOpen source

Ollama

Command-line tool for downloading and running open-weight language models locally on your own machine, with a simple model registry and an OpenAI-compatible local API. Free and open source.

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AssistantsFreemium

Perplexity

AI answer engine that searches the web and cites sources for each claim, positioned as a research tool rather than a general chatbot. Free tier plus a paid Pro tier with more searches and file uploads.

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Automation & agentsPaid

Relevance AI

No-code platform for building and orchestrating AI agents that connect to business tools and data, aimed at teams automating multi-step work rather than single tasks. Paid plans, with enterprise onboarding.

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CodingFreemium

Replit

Browser-based coding environment with an AI agent that can scaffold, run and deploy full applications from a prompt. Aimed at beginners and rapid prototyping rather than navigating a large existing codebase.

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Audio & videoFreemium

Runway

AI video generation and editing tool for text-to-video, image-to-video and video-to-video effects, aimed at filmmakers and motion designers. Free tier with limited credits plus paid plans.

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LearningFree

Simon Willison's blog

A frequently updated blog tracking how LLMs actually behave in practice, through plain-language write-ups of new model releases, prompt injection risks and open tools. Trusted for being hype-free.

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Local & open sourceOpen source

Stable Diffusion (Stability AI)

Open-weight image generation model family that can run locally via free tools like ComfyUI, or through Stability AI's paid API. Older versions (SDXL) are fully open; newer ones require an enterprise license above $1M annual revenue.

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Audio & videoFreemium

Suno

AI music generator that produces full songs, including vocals, from a text prompt or lyrics. Free tier with limited generations plus paid plans that add commercial usage rights.

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Audio & videoFreemium

Synthesia

AI avatar video generator that turns text scripts into presenter-led videos with synthetic voices, used mainly for training and explainer content. Free tier plus paid plans billed by video minutes.

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LearningFree

The Batch

Andrew Ng's weekly newsletter summarizing that week's AI research and industry news in plain language with a short personal commentary. Beginner-friendly, a good habit for staying current.

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LearningFree

The Illustrated Transformer

Jay Alammar's visual walkthrough of the Transformer architecture behind GPT and other LLMs, using diagrams instead of equations to show attention and encoder-decoder layers. The natural first stop after finishing a beginner LLM book.

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LearningFree

Transformer Explainer

An interactive, in-browser tool from Georgia Tech that runs a live GPT-2 model on text you type, visualizing tokenization, embeddings, attention heads and next-token prediction as they happen. Built for people with no programming background.

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WritingFreemium

Writesonic

AI writing tool for marketing copy, SEO articles and ad text, positioned as a cheaper alternative to Jasper with similar template-driven workflows. Free trial plus paid plans.

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Automation & agentsFreemium

Zapier

No-code automation platform connecting thousands of apps via triggers and actions, with AI features (Zapier Agents, Copilot) added on top of its original workflow engine. Free tier with limited monthly tasks plus paid plans by task volume.

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