Free docs, tools, and communities I actually use. Organized by what you're building.
These are paid tools I use and recommend. The affiliate disclosure above applies to the links in this section.
automation
Open-source workflow automation platform. The tool I use for all my automation projects, from data pipelines to AI agent orchestration.
Commission structure: 30% recurring for 12 months
hosting
Deploy any app in seconds. My go-to for hosting n8n instances, Node.js projects, and anything that needs to run 24/7.
Commission structure: 15% for 12 months
hosting
Cloud VPS for Python agents. 6ドル/month Droplets with full root access, systemd process management, and predictable billing.
Commission structure: 10% recurring for 12 months
hosting
Low-latency VPS built for trading bots. The specialized host I migrated my Polymarket bot to when the strategy demanded sub-10ms fills, with locations near major exchanges.
Commission structure: 25% recurring monthly
hosting
The platform I deploy everything on. Instant previews, zero-config Next.js and SvelteKit, and global edge CDN. citability.dev runs here.
Commission structure: No formal affiliate program
learning
Interactive courses for developers. Where I learned system design patterns and advanced programming concepts.
Commission structure: 20% per sale
Official documentation for Claude Code, the AI coding tool. Setup, slash commands, CLAUDE.md, hooks, and everything you need to get productive fast.
Open Docs arrow_forwardOfficial collection of notebooks and examples for building with the Claude API. Real code for real problems: tool use, multimodal, agents, and more.
View on GitHub arrow_forwardFull API reference for the Claude API, models, messages, streaming, tool use, and token budgets. The ground truth for building Claude-powered apps.
Open Docs arrow_forwardThe proposed standard for telling AI crawlers what to index and how to cite your content. Place at your site root alongside robots.txt.
Read Spec arrow_forwardAI visibility audit tool. Runs 10 automated checks against any website to measure how likely AI search engines are to find and cite your content.
Run Free Scan arrow_forwardThe structured data vocabulary that search engines and AI systems use to understand content types. BlogPosting, FAQPage, and Person schemas are the most impactful for AEO.
Browse Schemas arrow_forwardTest whether your structured data is valid and eligible for rich results. Also confirms what AI engines can parse from your JSON-LD markup.
Test Your Page arrow_forwardThe open-source implementation behind chudi.dev, llms.txt, ai.txt, WebMCP, structured data, and the full AI visibility stack. Reference implementation you can fork.
View on GitHub arrow_forwardThe ground truth for how Google sees your site. Indexation status, search queries, click-through rates, and Core Web Vitals. Free and essential.
Open Console arrow_forwardMeasures Core Web Vitals (LCP, CLS, INP) for any URL. Lab data from Lighthouse plus real-world field data from Chrome UX Report.
Test Your Site arrow_forwardFree site audit and backlink checking for verified site owners. Shows domain rating, referring domains, and crawl issues. The free tier covers the basics.
Get Started arrow_forwardSelf-hostable workflow automation. Connects anything to anything. The open-source alternative to Zapier with full control over your data and logic.
Open Docs arrow_forwardThe n8n community forum, workflows, templates, troubleshooting, and integrations. Best place to find pre-built automations for your use case.
Join Community arrow_forwardNo-code automation platform. Great for connecting SaaS tools without hosting. Free tier covers the basics, upgrade when you need multi-step zaps.
Get Started arrow_forwardThe best place to deploy SvelteKit and Next.js apps. Zero-config, instant global CDN, preview deployments on every PR. Free tier is genuinely useful.
Read Docs arrow_forwardDeploy backends, databases, and workers in one click. No Kubernetes config. The easiest way to run Python services, Postgres, Redis, and more in production.
Read Docs arrow_forwardServerless at the edge. Free tier gives you 100k requests/day. Perfect for API proxies, webhooks, and any latency-sensitive compute.
Read Docs arrow_forwardOfficial SvelteKit documentation. Routing, load functions, form actions, hooks, everything you need to build full-stack apps with the fastest frontend framework.
Open Docs arrow_forwardOfficial Tailwind documentation. Utility classes, responsive design, dark mode, and the config system. The fastest way to build good-looking UIs without writing CSS.
Open Docs arrow_forwardThe official TypeScript handbook, from basics to advanced types. Essential reading if you use TypeScript with SvelteKit, Next.js, or any Node-based project.
Read Handbook arrow_forward