# Lib of Dev > Coder library and more Canonical page: [https://chrome-stats.com/d/com.lenfi.libofdev](https://chrome-stats.com/d/com.lenfi.libofdev) ## Overview - **ID:** `com.lenfi.libofdev` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** LenFi - **Category:** LIBRARIES\_AND\_DEMO - **Downloads:** 718 - **Rating:** 4.57 / 5 (14 ratings) - **Version:** 2.2.1 - **Last updated:** 2026-02-28 - **First published:** 2026-01-05 - **Publisher country:** DE - **Size:** 54 MB - **Data as of:** 2026-09-16 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.lenfi.libofdev) - **Website:** [https://www.lenfi.uk](https://www.lenfi.uk/) - **Privacy policy:** [https://info.lenfi.uk](https://info.lenfi.uk/) ## Description A massive mobile app serving as an offline-first developer learning platform with shadcn/ui-inspired design. Features 13 programming languages, AI/ML guides, IoT/Hardware tutorials, E-Commerce, Linux administration, 80+ developer hints, and 70+ official resource links. Lib of Dev is still evolving — and with your help, we'll reach its full potential together!

🌟 What Makes This Special
🤖Build in AI Chat with Groq*
📚 30,000+ Lines of Content - Meticulously curated for developers
🤖 AI & Machine Learning - Ollama, OpenAI, LangChain guides
🔌 IoT & Hardware - ESP32, Raspberry Pi, Arduino with real code
🛒 E-Commerce - Shopify, Stripe integration examples
🐧 Linux & DevOps - System administration, Proxmox virtualization
💡 80+ Developer Hints - Instant answers to "What should I use?"
🔗 70+ Official Links - Direct access to documentation and resources
100% Offline - All content bundled, no internet required**
📊 Content Overview
💻 Programming Languages (13)
Each with 100+ code examples, explanations, and best practices:

Web/Frontend: JavaScript, TypeScript, PHP
Mobile: Swift, Kotlin
Systems: C, Rust, Go
General Purpose: Python, Java, C#, Ruby
Database: SQL
🤖 AI & Machine Learning
Ollama - Run LLMs locally (LLaMA 2, Mistral, Code Llama)
AI APIs - OpenAI GPT-4, Anthropic Claude, Google Gemini
ML Training - PyTorch, TensorFlow with Python
Vector Databases - Pinecone, Weaviate, Qdrant for embeddings
AI Agents - LangChain, LlamaIndex frameworks
🔌 IoT & Hardware
Complete guides with 50+ working code examples:

ESP32/ESP8266 - WiFi setup, web servers, MQTT, sensors
Raspberry Pi - GPIO control, Pi Camera, web servers
Arduino - LED control, analog sensors, serial communication
Sensors - DHT22 temperature, HC-SR04 ultrasonic, and more
🏠 Home Assistant
Configuration and automation examples
ESPHome integration for ESP devices
MQTT sensor integration
YAML configuration templates
🛒 E-Commerce & Shopify
Shopify Liquid templates
Shopify Node.js app development
Shopify Storefront API (GraphQL)
Stripe payment processing
Headless commerce patterns
🐧 Linux & System Administration
Essential terminal commands
User & permission management
Nginx reverse proxy configuration
systemd service creation
Network troubleshooting
🖥️ Proxmox Virtualization
VM creation via CLI
LXC container management
Backup and restore procedures
🎨 UI Frameworks (Featured)
shadcn/ui ⭐ - Complete guide with 8 components
Tailwind CSS - Utility-first framework
Radix UI - Accessible primitives
🚀 Deployment Platforms (6)
Expo - Mobile development
Vercel - Web hosting & serverless
Cloudflare - CDN & edge computing
Netlify - JAMstack platform
Docker - Containerization
Firebase - Backend as a Service
💡 Developer Hints (80+ Scenarios)

This App is no longer an Open-Source project, reason are the user safety.

*Groq
You need to create a API Key, its for free
**Internet
For special features you need a working network connection. Else the App cannot deliver Features like Groq ## Rankings - #1,263,809 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.READ_EXTERNAL_STORAGE` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `android.permission.WRITE_EXTERNAL_STORAGE` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` - `com.lenfi.libofdev.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Libdev](https://chrome-stats.com/d/liberaservice.com.libdev) — 816 users - [Libdev](https://chrome-stats.com/d/kappela.com.libdev) — 42 users - [TechBookShelf](https://chrome-stats.com/d/com.dokuzi.books) — 1 users - [Code Library](https://chrome-stats.com/d/com.wCodeLibrary_17080177) — 3 users - [Dev Docs: Offline Coding Docs](https://chrome-stats.com/d/com.shahzaman.devdocs) — 5,790 users - [DevRef: Offline Dev Cheats](https://chrome-stats.com/d/com.clossal.devref) — 92 users - [DL: Learn to Schedule Courses](https://chrome-stats.com/d/com.desarrollo.libre) — 150 users - [Libraries for developers](https://chrome-stats.com/d/com.desarrollodroide.repos) — 235,232 users, 4.37 / 5 - [Last Days Devs](https://chrome-stats.com/d/com.neojeremiah.lastdaysdevs) — 40 users - [DevBytes-For Busy Developers](https://chrome-stats.com/d/com.candelalabs.devbytes) — 6,805,534 users, 4.51 / 5 - [DevelopersDen (DD)](https://chrome-stats.com/d/com.scholar.imt) — 78 users - [daily.dev: discover whats next](https://chrome-stats.com/d/dev.daily) — 748,277 users, 3.21 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.lenfi.libofdev)