WIKI IT — IT Tools & Open Source

Tools, docs & AI for developers

Free IT tools, structured technical docs, video courses, AI news and notable open source projects — all in one place.

$ pnpm dlx wikiit-cli init
✔ WIKI IT — IT Tools & Open Source
→ 26+ tools · 14+ docs · AI · open source
26+
Tools
14+
Docs
8+
Projects

AI & Machine Learning

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🧠LLM

Auto-generating SEO descriptions with AI

Using an LLM to generate meta descriptions, alt text, and schema.org data right in the CMS publish flow.

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📚RAG & Vector DB

What is RAG, and when should you use it for internal docs

Comparing RAG with fine-tuning, and when to pick pgvector over a dedicated vector database.

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💬Prompt Engineering

Prompt engineering basics for a customer-support chatbot

Structuring system prompts, few-shot examples, and how to bound a chatbot's answer scope.

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Open source projects

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🏗️Framework

React

A component-based UI library with the largest ecosystem in the industry.

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🏗️Framework

Next.js

A full-stack React framework: SSR/SSG/ISR, App Router, SEO & performance built in.

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🏗️Framework

NestJS

A modular Node.js framework with strong TypeScript and dependency-injection support.

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Tech blog

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⚙️DevOps

Deploying multi-audience NestJS with Docker & K8s, horizontally

A guide to splitting API_AUDIENCE=web/cms into two independent services, scaling safely behind a load balancer.

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🔐Security

3-tier RBAC scope: global — tenant — site — how to design it right

Analyzing a scope-based permission model with delegate/self-assign for multi-tenant systems.

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🎨Frontend

Combining Ant Design v6 and Tailwind v4 without style conflicts

A PostCSS configuration strategy and shared CSS variables to avoid class collisions between the two design systems.

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