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Ansible
Agentless IT automation - configure servers, deploy apps, orchestrate workflows with YAML playbooks
Angular
Google's enterprise-grade TypeScript framework - routing, forms, HTTP, testing all built-in, strong opinions included
ArgoCD
GitOps continuous delivery for Kubernetes - sync apps from Git, auto-heal, declarative deployments
AWS
World's largest cloud platform - compute, storage, databases, AI/ML, and 200+ services powering Netflix and Airbnb
Azure
Microsoft's enterprise cloud - seamless integration with Office 365, Active Directory, and hybrid infrastructure
Astro
Content-focused web framework - zero JS by default, islands architecture, use React/Vue/Svelte together
Bun
All-in-one JavaScript toolkit - ultra-fast runtime, bundler, test runner, and package manager in one
Bootstrap
World's most popular CSS framework - responsive grid, pre-built components, and JS plugins ready to use
Apache Cassandra
Distributed NoSQL database - linear scalability, no single point of failure, handles massive data volumes
Celery
Python distributed task queue - async execution, scheduling, retries, real-time processing
Coding
A curated collection of programming language quickstart guides
ClickHouse
Column-oriented OLAP database - blazing fast analytics on billions of rows, real-time aggregations
cURL
Transfer data from command line - test APIs, download files, and debug HTTP requests
C#
Versatile .NET language - web, desktop, games with Unity, and cloud apps with async/await and LINQ
Cypress
E2E testing with time-travel debugging - real-time reloads, automatic waiting, visual test runner
Deno
Secure JavaScript/TypeScript runtime - built-in TypeScript, secure by default, modern standard library
Django
Python batteries-included web framework - ORM, admin panel, auth, and security built-in from day one
Docker
Package and run applications in isolated containers - consistent environments from dev to production
.NET
Cross-platform development platform - modern C#, high performance, enterprise-ready with excellent tooling
Drizzle ORM
TypeScript ORM with SQL-like syntax - type-safe, zero dependencies, serverless ready
DynamoDB
AWS managed NoSQL key-value database - serverless, millisecond latency, auto-scaling
Elasticsearch
Distributed search and analytics engine - full-text search, log analysis, real-time data exploration
Electron
Cross-platform desktop apps with web tech - one codebase for Windows, macOS, and Linux using JS/HTML/CSS
Express.js
Node.js minimal web framework - unopinionated, middleware-based, the industry standard for Node backends
Expo
React Native app platform - no native setup, OTA updates, rich SDK, easy deployment
FastAPI
Python modern API framework - type hints become docs and validation, async-native, as fast as Node/Go
Flask
Python micro framework - minimal core, flexible architecture, add only what you need
Google Cloud
Google's cloud infrastructure - home of Kubernetes, BigQuery, and cutting-edge AI/ML with global network
Flutter
Google UI toolkit for cross-platform apps - single codebase, hot reload, native performance
Git
Track code changes, collaborate with teams, and maintain project history with distributed version control
Gin
Go's fastest web framework - httprouter-based, near-zero allocation, perfect for high-throughput APIs
GitHub Actions
Native GitHub CI/CD - automate workflows on push, PR, schedule with YAML, free for public repos
GitLab CI
Integrated GitLab CI/CD - pipelines, runners, auto DevOps, built into GitLab platform
Go
Simple, fast, concurrent - build reliable cloud services and CLI tools with Go
Grafana
Observability dashboards - visualize metrics from Prometheus, Loki, and 50+ data sources with alerting
GraphQL
Query language for APIs - request exactly what you need, get predictable results from a single endpoint
gRPC
High-performance RPC framework - Protocol Buffers, HTTP/2, streaming, polyglot support
Helm
Kubernetes package manager - define, install, upgrade apps with reusable Charts and templating
Homebrew
macOS package manager - install CLI tools and apps with one command, manage dependencies automatically
Hono
Ultrafast web framework on Web Standards - runs on Cloudflare Workers, Deno, Bun, Node.js, and AWS Lambda
HTMX
HTML with superpowers - AJAX, CSS transitions, DOM updates via attributes, zero JavaScript needed
Hugging Face
AI/ML model platform - 100k+ pretrained models, easy fine-tuning, pipeline API
Java
Enterprise-grade, platform-independent - build scalable backend systems and Android apps with mature tooling
Jenkins
Open-source automation server - build pipelines, extensible plugins, self-hosted CI/CD for any project
Jest
JavaScript testing framework - zero config, snapshots, mocking, and code coverage out of the box
jq
Command-line JSON processor - parse, filter, transform JSON data in shell scripts and pipelines
JUnit
Java unit testing framework - annotations, assertions, test lifecycle management for enterprise apps
JWT
JSON Web Token for stateless auth - compact, self-contained, works across domains
Apache Kafka
Distributed event streaming platform - high-throughput pub/sub, durable logs, real-time data pipelines
Julia
High-performance scientific computing - Python's ease with C's speed for numerical analysis and AI
Kubernetes
Orchestrate containerized applications at scale - automate deployment, scaling, and management across clusters
Kotlin
Modern, null-safe JVM language - official Android development with concise syntax and full Java interop
LangChain
LLM application framework - chain calls, connect data sources, agents, memory management
Laravel
PHP elegant full-stack framework - Eloquent ORM, Blade templates, Artisan CLI, batteries included for web artisans
Make
Build automation with Makefiles - define tasks, track dependencies, run parallel builds
Let's Encrypt
Free SSL/TLS certificate authority - automated renewal, widely trusted, easy setup
Linux Commands
Essential Linux commands every developer should know
MongoDB
Document database with flexible schemas - store JSON-like data, scale horizontally, query with ease
Markdown
Lightweight markup language - simple syntax for docs, READMEs, notes that converts to HTML
MySQL
Popular open-source relational database - ACID transactions, replication, widely supported
NATS
Cloud-native messaging system - simple, fast, lightweight, supports pub/sub and streaming
NestJS
Node.js backend framework with TypeScript - Angular-style architecture, dependency injection, enterprise-ready patterns
Neo4j
Native graph database - relationship-first modeling, powerful traversals, Cypher query language
Next.js
React full-stack framework for production - Server Components, file-based routing, fast by default
Nginx
High-performance web server and reverse proxy - load balancing, SSL termination, and static file serving
Node.js
JavaScript runtime for server-side development - build scalable network applications with non-blocking I/O
npm
Node.js default package manager - publish, install, and manage JavaScript dependencies with largest registry
NumPy
Python scientific computing foundation - fast arrays, broadcasting, linear algebra, data science basis
OAuth 2.0
Authorization framework for delegated access - secure third-party auth without sharing passwords
OpenAI API
Access GPT, DALL-E, Whisper models - function calling, embeddings, state-of-the-art AI
Nuxt
Vue full-stack framework with auto-imports - file-based routing, universal rendering, 200+ modules ready to use
Ollama
Run LLMs locally - Llama, Mistral, and more on your machine
OpenAPI
REST API specification standard - interactive docs, code generation, API testing
Pandas
Python data manipulation library - DataFrames, I/O, cleaning, aggregation, time series
PHP
Web's most deployed language - powers WordPress and Laravel with easy hosting and mature ecosystem
Phoenix
Elixir web framework for real-time apps - LiveView delivers interactive UIs without JavaScript, fault-tolerant by design
PlanetScale
Serverless MySQL with branching - git-like workflows, zero-downtime migrations, infinite scale
Playwright
Cross-browser E2E testing - auto-wait, trace viewer, test across Chromium, Firefox, and WebKit
pnpm
Disk-efficient package manager - hard links save space, strict dependencies, fast monorepo support
PostgreSQL
Powerful open-source relational database - advanced features, extensibility, and full SQL compliance
Postman
API development platform - visual testing, collections, environments, automated testing
Prometheus
Metrics-based monitoring - pull model, PromQL queries, alerting, ideal for cloud-native and Kubernetes
Prisma
Next-gen TypeScript ORM - type-safe queries, auto-generated client, visual DB browser, migrations
Pytest
Python testing made simple - fixtures, parametrize, plugins, and detailed assertion introspection
Python
Readable syntax, vast ecosystem - from scripting to AI, web apps to data science
PyTorch
Python deep learning framework - dynamic graphs, Pythonic API, strong research community
R
Statistical computing specialist - data analysis and visualization with ggplot2 and Tidyverse ecosystem
RabbitMQ
Message broker with flexible routing - queues, exchanges, AMQP protocol for reliable async messaging
React
Build interactive UIs with components - declarative, efficient, and flexible JavaScript library for web interfaces
React Native
Build native mobile apps with React - code sharing, hot reload, native performance
Ruby on Rails
Ruby full-stack framework with convention over configuration - scaffold features in seconds, batteries included
Redis
In-memory data store for caching, sessions, and real-time analytics - blazing fast key-value operations
Ruby
Developer happiness-focused language - rapid web development with Rails and elegant, readable syntax
Sass
CSS preprocessor with superpowers - variables, nesting, mixins, and functions for maintainable stylesheets
Rust
Memory-safe systems programming - zero-cost abstractions with compile-time guarantees, no garbage collector
Scikit-learn
Python classical ML library - simple API, comprehensive algorithms, preprocessing, pipelines
Scala
Functional programming on JVM - powers Apache Spark for big data with strong types and Java interop
Spring Boot
Java enterprise framework with auto-configuration - embedded servers, zero XML, production-ready from day one
SQLAlchemy
Python SQL toolkit and ORM - flexible, powerful, raw SQL and ORM, database agnostic
SQLite
Serverless embedded SQL database - zero config, single file, perfect for mobile apps and prototypes
SSH
Secure remote server access - encrypted connections, key-based auth, tunneling for safe data transfer
Supabase
Open-source Firebase alternative - instant APIs, real-time, auth, storage on PostgreSQL
Svelte
Compile-time UI framework - no virtual DOM, surgically precise updates, smallest bundle sizes
Swift
Apple's fast, safe language - build iOS, macOS, and server apps with modern syntax and memory safety
SwiftUI
Apple declarative UI framework - cross-platform (iOS/macOS/watchOS/tvOS), live previews
Tailwind CSS
Utility-first CSS framework - design directly in HTML with atomic classes, zero context switching
Tauri
Lightweight desktop apps with web frontend and Rust - smaller than Electron, native performance
TensorFlow
Google ML framework - production-ready, TF Serving, mobile deployment, large ecosystem
tmux
Terminal multiplexer for persistent sessions - split panes, detach/attach, essential for remote work
Terraform
Infrastructure as Code - provision cloud resources declaratively across AWS, Azure, GCP with state management
TypeORM
TypeScript/JavaScript ORM - decorator-based entities, migrations, Active Record and Data Mapper
TypeScript
JavaScript with types - catch errors at compile time, better tooling and IDE support
Vite
Lightning-fast frontend build tool - instant dev server, optimized production builds with native ESM
Vim
Modal text editor for lightning-fast editing - keyboard-only workflow available on every server
Vitest
Blazing fast unit testing powered by Vite - native ESM, TypeScript support, Jest-compatible API
VS Code
Free extensible code editor - IntelliSense, debugging, Git integration, vast extension marketplace
Vue.js
Progressive JavaScript framework - reactive by default, scales from simple widgets to complex SPAs
Webpack
Module bundler for JavaScript - code splitting, loaders, plugins for complex build pipelines
Yarn
Fast JavaScript package manager - workspaces, caching, and Plug'n'Play for efficient dependency management
WebAssembly
Binary format for near-native performance in browsers - language agnostic (Rust/C/Go), secure sandbox
YouTube.js
A JavaScript client for YouTube's private API - access videos, comments, live chats, and streaming data without API keys or quotas
Zsh
Extended Bash shell with autocompletion, plugins, and themes - boost your terminal productivity
Be Rich
The ultimate shortcut to financial freedom - one simple trick that actually works
Basic Cooking
Master essential cooking techniques - save money, eat healthier, and impress everyone at the dinner table
Top Contributors
Thanks to everyone who helps maintain these guides.
Top Contributors
Thanks to everyone who helps maintain these guides.
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