OpenLang.ai
SOURCE
Open-source language-learning games, driven by AI
More Languages

Technology Stack

Product How It's Used Owner
Gemini 3 Pro Design and code generation for games Google
Sonnet 4.5 Design and packaging of installable apps Anthropic
JavaScript Core game logic and interactivity Oracle / OpenJS Foundation
React User Interface library Meta
Tailwind CSS Styling framework Tailwind Labs
PWA Progressive Web App standards for installation W3C / Google
Web Speech Browser-based Speech Synthesis W3C
Cloud Text-to-Speech Ukrainian voice Google

Features

  • Hundreds of free and open-source games.
  • Support for 50 langauges.
  • Easy install on mobile.
  • Apps with no ads or in-app purchases.
  • Human-like speech for many popular languages.
  • Leverage the power of frontier AI models.
  • Vibe code customized apps (instructions provided).

Open Source for Everyone

The Open Source movement was a revolution for programmers, allowing them to freely reuse existing tools and systems.

With the advent of mass market AI, anyone can build with Open Source. Every page on this site has a "Source" button in the top corner. You can download the source prompt for any game, change it to for your needs, and produce a fully-functional customized game.

Use Case Prompt Game Link
American venture capitalist in Ukraine "Generate a list of 20 key vocabulary words and short phrases related to venture capital, investment, and startups in Ukrainian." Play
Polish tourist visiting Germany "Create a list of essential travel phrases for a Polish speaker visiting Germany, focusing on directions, food, and hotels." Play
Philosophy Student Studying French "Generate a vocabulary list of key philosophical terms and concepts in French suitable for a university student." Play
Virusoligist attending Chinese conference "Create a list of specialized medical and virology terms in Chinese for an academic conference setting." Play
Pupil in Ireland learning Irish Gaelic "Generate simple words and phrases for a primary school student learning Irish Gaelic, focusing on school items and greetings." Play