openlang.ai

Open-source language-learning games, produced by AI

Source

Choose a Language

Technology Stack

Product How It's Used Owner/Standards Body
Gemini 3 Pro Top level design and code generation Google
JavaScript Core application logic and interactivity ECMA International
React User Interface component library Meta
TailwindCSS Utility-first CSS styling framework Tailwind Labs
PWA Offline capabilities and app-like experience W3C
Web Speech Text-to-speech synthesis and recognition W3C

Open Source for Everyone

The Open Source movement was a revolution for programmers, allowing them to reuse existing tools and systems. With the advent of vibe coding, anyone can build with Open Source. Every page on this site has a "Source" button in the top corner. You can download the source text for any game, change it to for your needs, and produce a fully-functional customized game.

Use Cases

Use Case Prompt Game Link
American venture capitalist in Ukraine "Generate a list of Ukrainian vocabulary words and phrases related to venture capital, startup equity, due diligence, and angel investing." Play
Polish tourist visiting Germany "Create a list of essential German phrases for a Polish speaker regarding train travel, ordering schnitzel, and finding accommodation." Play
Philosophy Student Studying French "Generate French vocabulary and short phrases focusing on existentialism, phenomenology, and Cartesian logic for a university student." Play
Virusoligist attending Chinese conference "Produce a list of Chinese technical terms regarding epidemiology, viral transmission vectors, and vaccine efficacy." Play