> For the complete documentation index, see [llms.txt](https://docs.langx.io/litepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.langx.io/litepaper/welcome.md).

# Welcome

- [Practice, Learn, Succeed!](https://docs.langx.io/litepaper/welcome/readme.md): An overview of LangX, a free and open-source language exchange app designed to connect language learners with native speakers. This document covers the app's features, how it works, how to contribute.