Directory

R package that turns Markdown documents with embedded R (and Python or SQL) chunks into HTML, PDF, Word, slides, books and dashboards through knitr and Pandoc

Open-source message broker in Erlang supporting AMQP 0-9-1 and 1.0, MQTT, STOMP and Streams, with routing, acknowledgements and quorum queues

Open-source Python library for evaluating LLM and RAG applications with LLM-driven and custom metrics, experiments, dataset management and result tracking

Command-line program to sync, copy, mount and serve files across dozens of cloud storage providers and protocols, with optional client-side encryption

Python library for quantitative portfolio optimization with many risk measures, robust estimators and hierarchical clustering models

Compiled systems programming language with ownership-based memory safety, the Cargo build tool and no garbage collector

BSD-licensed Python machine-learning library for classification, regression, clustering, dimensionality reduction, preprocessing and model selection on NumPy and SciPy

Core open-source Python library for scientific computing on NumPy arrays: optimization, integration, interpolation, linear algebra, sparse matrices, statistics, signal processing

Python library for computing and training embedding, cross-encoder reranker, sparse and multi-vector retrieval models, maintained by Hugging Face with thousands of pretrained models on the Hub

Collection of accessible React components built on Radix primitives and Tailwind CSS that are copied into a project's source rather than installed as a dependency

Open-source cluster resource manager and job scheduler for Linux clusters, allocating nodes, launching jobs and managing queues on many HPC systems

Command-line tool that encrypts the values of YAML, JSON, ENV and INI files with age, PGP or cloud KMS keys so secrets can be committed to git

Python documentation generator using reStructuredText or MyST Markdown with cross-referencing, API autodoc and output to HTML, PDF via LaTeX, ePub and man pages

Cross-shell command prompt written in Rust that shows Git status, language versions, cloud context and more from one TOML configuration

Open-source backend platform built around a dedicated PostgreSQL database with auto-generated APIs, authentication, file storage, realtime subscriptions and edge functions

Pure-Python computer algebra system for symbolic algebra, calculus, equation solving, matrices, physics modules, code generation and LaTeX output

Utility-first CSS framework from Tailwind Labs that styles markup with composable class names and generates only the CSS a project uses

Open-source desktop LaTeX editor with integrated PDF viewer, autocompletion, wizards, spell checking and a structure view for Windows, macOS and Linux

Terminal multiplexer that keeps shell sessions alive on a server, splits a terminal into windows and panes, and lets sessions be detached and reattached

Hugging Face's model-definition library for text, vision, audio, video and multimodal models, with Pipeline, Trainer and generate APIs used as the reference by training and inference engines

Distributed SQL query engine that federates queries across data lakes, warehouses and databases through connectors, formerly PrestoSQL

Open-source scanner that finds known vulnerabilities, misconfigurations, exposed secrets and license issues in container images, file systems, git repositories, IaC and Kubernetes clusters

Build system for JavaScript and TypeScript monorepos from Vercel that runs package tasks in dependency order with local and remote caching

GPL-licensed in-memory search engine in C++ offering typo-tolerant instant search, faceting, vector and hybrid search, with Typesense Cloud hosting