* [Libre Calculator v0.1.0](https://github.com/tonyzedginidze/librecalculator) – Libre Calculator is a calculator engine library that explains each result with steps, diagrams, and lessons, supporting cached calculator packs across web and desktop.

* [Numara Calculator v7.6.0](https://github.com/bornova/numara-calculator) – Simple notepad calculator that evaluates expressions in real-time across multiple platforms.

* [FactorioLab v4.14.5](https://github.com/factoriolab/factoriolab) – Angular-based tool for calculating resource and factory requirements in factory games.