franken_lean. A ground-up, native-Rust reimplementation of the entire Lean 4 toolchain — drop-in at the binary surfaces (.olean, C ABI, LSP, CLI), deterministic under parallelism, declaration-granular incremental, with a ≤12 KLOC dual-engine kernel that ships receipts.

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.