I used Open Source Apps for 90 days. Here are my favorites

How To Build An App In 2026 (Complete Guide)

Electron JS in 100 Seconds

How I Built A $6.5 Billion App Called Duolingo | Founder Effect

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Android App Development Tutorial for Beginners - Your First App

Google Antigravity - Full Tutorial 2026: How To Build an App

How to Make an App for Beginners (2020) - Lesson 1