Open Source

Tools born from the front lines.

A curated collection of high-performance, open source utilities maintained by Finite Field, K.K. Built for simplicity, speed, and developer experience.

Featured OSS

Small, focused libraries that remove friction in production systems and developer tooling.

Dart v0.0.1

miniriverpod

A reimplementation of Riverpod for educational purposes and lightweight state management. Focused on core principles without the bloat, making it ideal for smaller applications or embedded systems.

Dart v0.0.1

declarative_nav

Declarative navigation and screen-local overlays for Flutter. Drive Navigator 2.0 pages without push/pop or global dialog state.

Multi-language v0.2.0

mask-pii

A multi-language masking library suite for emails and phone numbers, with implementation guides for each runtime.

Rust v0.1.0

ironframe

A Rust-based CLI toolchain that prototypes Tailwind CSS v4.1-equivalent behavior with scanner, generator, and config crates.

Looking for something specific? Let us know and we will share our roadmap.