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2,641–2,664 of 4,970 · Most stars

Java utilities: DeepEquals, Converter, LRUCache, CompactMap/Set, CaseInsensitiveMap, UniqueIdGenerator, FastReader/Writer, and more. Zero dependencies, JDK 8+

Fully hackable text editor developed for exact sciences with built-in KaTeX and AsciiMath support. Extensible via plugins and themes. Exportable as HTML, PDF and GFM.

The fastest automatic differentiation library for C++, with Python bindings. Forward, adjoint and higher-order derivatives, checkpointing, Eigen support and JIT. Reproducible benchmarks against CppAD, Adept and autodiff.

  • automatic-differentiation
  • aad
  • algorithmic-differentiation
  • autodiff

Build AI text detectors whose decisions are mechanistically grounded and human-auditable (EMNLP 2026)

  • ai-text-detection
  • explainable-ai
  • interpretability
  • mechanistic-interpretability

Exascale multiphase flow solver — 2025 Gordon Bell Prize Finalist | 200T grid points on 43K+ GPUs

  • gpu
  • exascale
  • cfd
  • fortran

This repository contains a subset of pointers to solutions with editorials and notes to my trainees (ACM ICPC, OJs, IOI, POI, CEOI, JOI, etc). For IOI/OI, I organized what I found on the web from official solutions and materials.

A framework for building decision-model harnesses for any kind of task. Your program offers the model a short list of next steps, and the model picks one at a time until it can answer.

  • classifiers
  • decision-models
  • evals
  • llm-harness

Gountries provides: Countries (ISO-3166-1), Country Subdivisions(ISO-3166-2), Currencies (ISO 4217), Geo Coordinates(ISO-6709) as well as translations, country borders and other stuff exposed as struct data.

Docile keeps your Ruby DSLs tame and well-behaved

  • dsl
  • ruby
  • builder-pattern
  • immutability