30 Languages · Free Forever

Every Coding Language.
One Honest Guide.

What each language builds. What it pays in India. Which apps use it. Real opinions from people who have shipped software for two decades — not generic AI lists.

🔎
30+
Languages
30+
Real Apps
₹60L
Top Salary
2026
Updated
Browse

Pick Your Language

Tap any card for a real-talk guide — what it does, what it pays, where it is used.

All AI / Data / Web Web UI Library Web Frontend Databases Web Styling Web Foundation Backend / Cloud Web / Enterprise Web Backend (JavaScript) Enterprise / Android Android Apps Mobile Apps (Cross-Platform) Systems / Performance Blockchain / Web3 iOS Apps Game Dev / Enterprise Scripting / DevOps Web Backend Systems / Games Big Data / Functional Systems Backend / Real-time Statistics / Data CSS Preprocessor Telecom / Real-time Game Scripting Functional / Academic iOS Legacy Scripting / Legacy
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Kotlin
Android Apps
Google's preferred language for Android. A vast improvement over Java for mobile.
Intermediate ₹9–30 LPA
Behind the Apps

Apps You Use Daily — Built With These

Every app has a language stack. Some choices may surprise you.

📸
Instagram
Python + JavaScript + React + Swift
💬
WhatsApp
Erlang + React + Swift + Kotlin
🎬
YouTube
Python + Go + C++ + JavaScript
🎭
Netflix
Java + Node.js + Python + React
👥
Facebook
PHP + C++ + React + Python
🐦
X (Twitter)
Scala + Java + JavaScript + React
🎵
Spotify
Python + Java + JavaScript + Swift
🚗
Uber
Go + Python + Java + Swift
🏠
Airbnb
Ruby + Java + React + JavaScript
🐙
GitHub
Ruby + Go + JavaScript + React
📝
WordPress
PHP + JavaScript + React + SQL
📚
Wikipedia
PHP + JavaScript + SQL + Python
See all 30 platforms →

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