Implementations ​
TOON has official and community implementations across multiple programming languages. All implementations are intended to conform to the same Specification to ensure compatibility and interoperability.
The code examples throughout this documentation site use the TypeScript implementation by default, but the format and concepts apply equally to all languages.
NOTE
When implementing TOON in other languages, please follow the spec to ensure compatibility across implementations. The conformance tests provide language-agnostic test fixtures that validate your implementation.
Official Implementations ​
These implementations are actively being developed by dedicated teams. Contributions are welcome! Join the effort by opening issues, submitting PRs, or discussing implementation details in the respective repositories.
| Language | Repository | Status | Maintainer |
|---|---|---|---|
| .NET | toon-dotnet | In Development | Official Team |
| Dart | toon-dart | In Development | Official Team |
| Go | toon-go | In Development | Official Team |
| Java | toon-java | ✅ Stable | Official Team |
| Julia | ToonFormat.jl | ✅ Stable | Official Team |
| Python | toon-python | ✅ Stable | Official Team |
| Rust | toon-rust | ✅ Stable | Official Team |
| Swift | toon-swift | ✅ Stable | Official Team |
| TypeScript/JavaScript | toon | ✅ Stable | Official Team |
Community Implementations ​
Community members have created implementations in additional languages:
| Language | Repository | Maintainer |
|---|---|---|
| Apex | ApexToon | @Eacaw |
| C | TOONc | @UsboKirishima |
| C++ | ctoon | @mohammadraziei |
| C# | ToonEncoder | @Cysharp |
| Clojure | toon | @vadelabs |
| Crystal | toon-crystal | @mamantoha |
| Delphi | delphi-toon | @ernestoalconada |
| Elixir | toon_ex | @kentaro |
| Gleam | toon_codec | @axelbellec |
| Go | gotoon | @alpkeskin |
| Java | json-io | @jdereg |
| Kotlin | ktoon | @lukelast |
| Laravel Framework | laravel-toon | @mischasigtermans |
| Lua/Neovim | toon.nvim | @thalesgelinger |
| Matlab | ctoon | @mohammadraziei |
| OCaml | ocaml-toon | @davesnx |
| Perl | Data::TOON | @ytnobody |
| PHP | toon-php | @HelgeSverre |
| Python (C++ backend) | ctoon | @mohammadraziei |
| Python (Rust backend) | toons | @alesanfra |
| R | toon | @laresbernardo |
| Ruby | toon-ruby | @andrepcg |
| Scala | toon4s | @vim89 |
| Zig | toon-zig | @montanaflynn |
Contributing an Implementation ​
Building a TOON implementation for a new language? Great! Here are some steps to get started:
- Follow the spec: Implement the latest specification.
- Add tests: Run the reference test suite.
- Document usage: Provide a clear README with installation and usage examples.
- Share it: Open a PR to add your implementation to the README at github.com/toon-format/toon.