Directory

Infrastructure-as-code tool that provisions cloud and SaaS resources from HCL configurations through a plan-and-apply workflow, licensed under BSL 1.1

Apple's beta distribution service for sharing pre-release iOS, macOS, watchOS, tvOS and visionOS builds with internal and external testers through App Store Connect

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

PostgreSQL extension for time-series data adding hypertables, compression and continuous aggregates, from the company now named Tiger Data

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

Cloud-native reverse proxy and ingress controller that discovers routes from Docker, Kubernetes and other providers and automates TLS through ACME

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

Open-source framework for fine-tuning and running LLMs with reduced memory, covering LoRA, QLoRA, full fine-tuning and RL, GGUF export, Dynamic quantizations and a local Studio/Desktop UI

Self-hosted uptime monitor with HTTP, TCP, DNS, ping and keyword checks, many notification channels and public status pages

Python library for vectorized backtesting and portfolio analysis built on pandas, NumPy and Numba, with a commercial PRO edition

Declarative Python visualization library that compiles concise chart specifications to Vega-Lite JSON for interactive, grammar-of-graphics plots

Front-end build tool and development server that serves native ES modules during development and bundles for production, with a plugin API shared by many frameworks

Vite-native unit test framework for JavaScript and TypeScript with a Jest-compatible API, watch mode, coverage and browser mode

The Internet Archive's public web archive for browsing historical snapshots of web pages, with Save Page Now, Availability, CDX and Memento APIs

W3C standard defining the browser API for creating and using public-key credentials, the basis of passkeys and FIDO2 hardware-key authentication

OpenAI's open-source multilingual speech recognition model family with MIT-licensed code and weights, a Python package and CLI for transcription, translation and language identification

Free access to World Bank development indicators by country and year through a web portal, bulk downloads and a public REST API

Open-source Python library that downloads price history, fundamentals, options chains and fund data from Yahoo Finance's unofficial endpoints for research and education

Native, GPU-rendered code editor written in Rust by Zed Industries, with built-in collaboration, language servers and optional AI assistance

Community-maintained fork of Quantopian's Zipline, an event-driven Python backtester with data bundles and the Pipeline API