L123: A Lotus 1-2-3–style terminal spreadsheet with modern Excel compatibility
Summary
L123 is a Rust-based recreation of the Lotus 1-2-3 DOS spreadsheet with modern Excel compatibility, offering a keyboard-first, slash-command driven interface, .xlsx round-trip, and a workflow-oriented feature set. The project emphasizes authentic DOS-era interaction alongside a modern engine (IronCalc) and a roadmap of milestones, making it a notable example of retro-spreadsheet tooling suitable for automation and data workflows.