Teal (https://teal-language.org/book/fonts/fonts.css)    (index.html#about) about  | (index.html#playground) play  | (index.html#download) download  | (index.html#documentation) docs  | (index.html#community) community       The Teal programming language     About Teal Teal is a statically-typed dialect of (https://www.lua.org) Lua .
It extends Lua with type annotations, allowing you to specify arrays, maps and records,
as well as interfaces, union types and generics.  It aims to fill a niche similar to that of TypeScript in the JavaScript world,
but adhering to Lua's spirit of minimalism, portability and embeddability.  Is it implemented as a compiler, (https://github.com/teal-language/tl) tl ,
which compiles .tl source code into .lua files.   A taste of Teal Here is a quick taste of what Teal code looks like:  local function add(a: number , b: number ): number return a + b end local s = add(1, 2)
print(s)  ...or check out this page's source code!  You can also play with the Teal compiler right from your browser,
using the (https://teal-playground.netlify.app/) Teal Playground .   Install Teal If you're using (https://luarocks.org) LuaRocks , you can install the compiler with:  luarocks install tl  You can also find (https://github.com/teal-language/tl/releases) pre-compiled
binaries for Linux and Windows. To build larger projects, you probably won't want to run tl on each
file individually. We recommend using (https://github.com/teal-language/cyan) Cyan ,
the build tool designed for Teal.  You can also install (https://github.com/teal-language/vscode-teal/) vscode-teal for
Visual Studio Code integration, (https://github.com/teal-language/teal-language-server/) teal-language-server for NeoVim and others, and (https://github.com/teal-language/awesome-teal) more .   Documentation You can browse the Teal documentation (https://teal-language.org/book/latest/index.html) online .  Here are some recorded talks discussing the history of Lua and types,
outlining the motivations behind Teal and talking about the project's progress:  (https://www.youtube.com/watch?v=OPyBQRndLUk) Minimalism versus types (2019)  (https://www.youtube.com/watch?v=HfnjUCRzRKU) Minimalistic typed Lua is here (2020)  (https://www.youtube.com/watch?v=OqXbnaDR8QY) What's next for Teal (2021)  (https://www.youtube.com/watch?v=68F5Qs91izQ) Five years of Teal: minimalism versus growth in language design (2024)  (https://www.youtube.com/watch?v=Uq_8bckDxaU) What should Teal be? - musings on FOSS project directions (2025)    Community Development happens on (https://github.com/teal-language) GitHub .  We have a (https://github.com/teal-language/tl/discussions) community forum hosted by GitHub.
You can also chat with us via Matrix at (https://matrix.to/#/#teal-language_community:gitter.im) #teal-language_community:gitter.im .  Teal is a project started by (https://hisham.hm) Hisham Muhammad ,
developed by a (https://github.com/teal-language/tl/graphs/contributors) growing number of contributors and is written using Teal itself!   License Teal is free and open source software. Its (https://github.com/teal-language/tl/blob/master/LICENSE) license is MIT, the same as Lua.