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Library / Framework · Rust

ultima_db

Embedded transactional store for Rust on a copy-on-write MVCC B-tree, with the core proven in Lean 4

What it is

UltimaDB is a high-performance embedded database for Rust with MVCC, WAL, custom indexes, and vector search, featuring formal verification of its B-tree core via Lean.

  • b-tree
  • embedded-database
  • formal-verification
  • lean4
  • mvcc
  • rust
Scored at2ff660f6 Nov 2026Changes since

Merit describes the code at this commit. Later pushes count once the owner rescans. How merit is scored

Where it counts

  • NLP & LLMs50%
  • Machine Learning40%
  • Data Science30%
  • Computer Vision20%
  • MLOps20%
  • AI Agents10%

How much of the project is about each field, as scoring counts it. It ranks in the field it is most about.

Around it on the NLP & LLMs board

Whole board
  1. 04event-aware-SAE-trainerLibrary / Framework · Python75.2/100AdvancedRick
  2. 05, shared ranklegacy-necromancerAI Developer Tool · TypeScript74.9/100AdvancedMaksym Radko
  3. 05, shared rankultima_dbLibrary / Framework · Rust74.9/100AdvancedPeter Knego
  4. 07RegesMoEML Application · C++72.5/100AdvancedMaster Mind
  5. 08WebsearchRAG System · Python70.9/100AdvancedJens Mittelbach

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