fix: correct license to Unlicense across all language versions

CONTRIBUTING.md

@@ -267,7 +267,7 @@ Fragments are automatically collected into CHANGELOG.md during the release proce
 ├── .pre-commit-config.yaml  # Pre-commit hooks
 ├── CHANGELOG.md          # Project changelog
 ├── CONTRIBUTING.md       # This file
-├── LICENSE               # LGPL-3.0
+├── LICENSE               # Unlicense (public domain)
 └── README.md             # Project README
 ```
 

README.md

@@ -1,3 +1,4 @@
+[![Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)
 [![Open in GitHub Codespaces](https://img.shields.io/badge/Codespaces-open-blue?logo=github)](https://codespaces.new/linksplatform/Numbers)
 
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/d0f7cbadcfbe43f7b9c732ec8603d974)](https://app.codacy.com/gh/linksplatform/Numbers?utm_source=github.com&utm_medium=referral&utm_content=linksplatform/Numbers&utm_campaign=Badge_Grade_Settings)
@@ -14,3 +15,18 @@
 LinksPlatform's Platform.Numbers Library.
 
 Forked from: [Konard/LinksPlatform/Platform/Platform.Helpers/Numbers](https://github.com/Konard/LinksPlatform/tree/19902d5c6221b5c93a5e06849de28bb97edac5f8/Platform/Platform.Helpers/Numbers)
+
+## License
+
+This library is released to the **public domain** under the [Unlicense](http://unlicense.org/).
+
+The Unlicense is the most permissive license available — it places no
+restrictions whatsoever on users. You are free to copy, modify, publish,
+use, compile, sell, or distribute this software for any purpose,
+commercial or non-commercial, in any way you choose, with no conditions
+attached.
+
+Unlike LGPL, which forces users to redistribute modifications under the
+same license and comply with specific obligations (linking restrictions,
+source disclosure for modifications), the Unlicense imposes
+**no obligations at all**. It is truly free as in freedom.

changelog.d/20260321_000000_fix_license.md

@@ -0,0 +1,13 @@
+---
+bump: patch
+---
+
+### Fixed
+
+- Corrected license declaration in `rust/Cargo.toml` from `LGPL-3.0` to `Unlicense` (public domain)
+- Updated license description in `CONTRIBUTING.md` from `LGPL-3.0` to `Unlicense (public domain)`
+
+### Changed
+
+- Added Unlicense badge to all README files (root, Rust, C#, C++)
+- Added License section to all README files explaining the Unlicense and its advantages over LGPL

cpp/README.md

@@ -1,3 +1,4 @@
+[![Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)
 [![Actions Status](https://github.com/linksplatform/Numbers/workflows/Deploy%20new%20cpp%20version/badge.svg)](https://github.com/linksplatform/Numbers/actions?workflow=Deploy+new+cpp+version)
 
 # [Numbers](https://github.com/linksplatform/Numbers) for C++
@@ -41,3 +42,18 @@ target_link_libraries(your_target PRIVATE Platform.Numbers)
 
 - [Platform.Interfaces](https://github.com/linksplatform/Interfaces)
   (C++ version)
+
+## License
+
+This library is released to the **public domain** under the [Unlicense](http://unlicense.org/).
+
+The Unlicense is the most permissive license available — it places no
+restrictions whatsoever on users. You are free to copy, modify, publish,
+use, compile, sell, or distribute this software for any purpose,
+commercial or non-commercial, in any way you choose, with no conditions
+attached.
+
+Unlike LGPL, which forces users to redistribute modifications under the
+same license and comply with specific obligations (linking restrictions,
+source disclosure for modifications), the Unlicense imposes
+**no obligations at all**. It is truly free as in freedom.

csharp/README.md

@@ -1,3 +1,4 @@
+[![Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)
 [![NuGet Version and Downloads count](https://img.shields.io/nuget/v/Platform.Numbers?label=nuget&style=flat)](https://www.nuget.org/packages/Platform.Numbers)
 [![Actions Status](https://github.com/linksplatform/Numbers/workflows/CD/badge.svg)](https://github.com/linksplatform/Numbers/actions?workflow=CD)
 
@@ -54,3 +55,18 @@ with code for e-readers.
 
 - [Platform.Unsafe](https://github.com/linksplatform/Unsafe)
 - [Platform.Data](https://github.com/linksplatform/Data)
+
+## License
+
+This library is released to the **public domain** under the [Unlicense](http://unlicense.org/).
+
+The Unlicense is the most permissive license available — it places no
+restrictions whatsoever on users. You are free to copy, modify, publish,
+use, compile, sell, or distribute this software for any purpose,
+commercial or non-commercial, in any way you choose, with no conditions
+attached.
+
+Unlike LGPL, which forces users to redistribute modifications under the
+same license and comply with specific obligations (linking restrictions,
+source disclosure for modifications), the Unlicense imposes
+**no obligations at all**. It is truly free as in freedom.

rust/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.2.0"
 edition = "2021"
 rust-version = "1.70"
 authors = ["uselesssgoddess", "Linksplatform Team <linksplatformtechnologies@gmail.com>"]
-license = "LGPL-3.0"
+license = "Unlicense"
 repository = "https://github.com/linksplatform/Numbers"
 homepage = "https://github.com/linksplatform/Numbers"
 description = """

rust/README.md

@@ -1,3 +1,4 @@
+[![Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)
 [![Crates.io](https://img.shields.io/crates/v/platform-num?label=crates.io&style=flat)](https://crates.io/crates/platform-num)
 [![Rust CI/CD Pipeline](https://github.com/linksplatform/Numbers/workflows/Rust%20CI%2FCD%20Pipeline/badge.svg)](https://github.com/linksplatform/Numbers/actions?workflow=Rust+CI%2FCD+Pipeline)
 [![Docs.rs](https://docs.rs/platform-num/badge.svg)](https://docs.rs/platform-num)
@@ -98,3 +99,18 @@ assert_eq!(to_usize(42u32), 42usize);
   ([trees-rs](https://github.com/linksplatform/trees-rs))
 - [doublets](https://crates.io/crates/doublets)
   ([doublets-rs](https://github.com/linksplatform/doublets-rs))
+
+## License
+
+This crate is released to the **public domain** under the [Unlicense](http://unlicense.org/).
+
+The Unlicense is the most permissive license available — it places no
+restrictions whatsoever on users. You are free to copy, modify, publish,
+use, compile, sell, or distribute this software for any purpose,
+commercial or non-commercial, in any way you choose, with no conditions
+attached.
+
+Unlike LGPL, which forces users to redistribute modifications under the
+same license and comply with specific obligations (linking restrictions,
+source disclosure for modifications), the Unlicense imposes
+**no obligations at all**. It is truly free as in freedom.