rougers
RustPython
ROUGE scores identical to Google's rouge-score, 30–80× faster on one core and up to 350× with all cores.
pip install rouge-score-rsLibraries
Everything we maintain
Grouped by the job they do. Versions and download counts update live from crates.io, PyPI and RubyGems.
Evaluation
Score model outputs and estimate what a test actually measures.
irt_ruby
Ruby
Item response theory in Ruby: Rasch, 2PL and 3PL models with missing-data strategies and adaptive optimisation.
gem install irt_rubyruby-llm-eval
PythonRuby
Measure how well an API model writes Ruby: pass@1 on your own private tasks, run in a Docker sandbox.
git clone https://github.com/kholdrex/ruby-llm-eval && pip install -e ./ruby-llm-evalText processing
Rust cores for Python text tools, with the same output as the originals.
langdetect-rs
RustPython
Language detection identical to Python's langdetect, bit for bit, 40–52× faster on one core and up to 315× with all cores.
pip install langdetect-rsScientific computing
Recurrent networks and Bayesian inference in Rust, checked against reference implementations.
rust-lstm
Rust
LSTM, GRU and BiLSTM networks with full backpropagation through time, gradients checked against finite differences and PyTorch.
cargo add rust-lstmbayes-rs
Rust
Bayesian inference in Rust: Metropolis–Hastings, Gibbs and HMC samplers with R-hat, effective sample size and multi-chain runs.
cargo add bayes-rsRuby and Rails
Gems for Rails apps: agent memory, fast reads and guarded text-to-SQL.
engram
Ruby
Long-term memory for AI agents in Ruby: recall the facts that matter and add them to the prompt, stored in your own Postgres.
gem install engramsimple_query
Ruby
A chainable query builder for ActiveRecord with struct results, read models, bulk updates and streaming on PostgreSQL and MySQL.
gem install simple_querycode_to_query
Ruby
Turn plain-English questions into parameterized SQL for Rails, with table allowlists, policy filters and EXPLAIN checks.
gem install code_to_queryExperiments
Small learning projects, kept for reference.