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Official repository for Open Web Analytics which is an open source alternative to commercial tools such as Google Analytics. Stay in control of the data you collect about the use of your website or app. Please consider sponsoring this project.
The OpenAI Agents SDK is a lightweight Python package for building agentic AI applications with few abstractions. It provides primitives including agents with instructions and tools, handoffs for delegating tasks between agents, and guardrails for validating inputs and outputs. It includes built-in tracing for visualizing and debugging agentic flows. The SDK uses the Responses API by default for OpenAI models and wraps model calls in a higher-level runtime.
OpenAI Cookbook is a GitHub repository that provides examples and guides for using the OpenAI API. The collection helps developers integrate OpenAI models into their applications. It includes code samples, best practices, and documentation. The project is open source and accepts community contributions.
OpenAQ is a nonprofit environmental technology organization that provides open access to ground-level air quality data. It aggregates data from hundreds of sources worldwide and harmonizes them on an open-source platform. Users can access data through a REST API, an interactive map, and the OpenAQ Explorer web application. The platform provides physical measurements rather than aggregated values such as air quality indexes.
Lobster is an Openclaw-native workflow shell described as a typed, local-first macro engine that turns skills and tools into composable pipelines and automations. Workflows use JSON-first typed pipelines and can include approval and input gates that OpenClaw presents to the user. It requires Node.js 22 or newer and the pnpm version pinned in package.json. Captured process output is unlimited by default unless an output byte limit is set.
OpenCode is an open source AI coding agent available as a terminal-based interface, desktop app, or IDE extension. It supports multiple LLM providers and local models, and does not store code or context data. Enterprise options include centralized configuration, SSO integration, and an internal AI gateway.
OpenDyslexic is a typeface designed against some common symptoms of dyslexia. The newest version uses the SIL-OFL license, permitting personal, business, educational, commercial, books, ebook readers, applications and websites. It can be downloaded and used for free without mandatory fees, and optional donations and Patreon subscriptions are offered.
OpenEI is an open energy information platform that provides access to crowdsourced energy data, information, and applications from industry and government agencies. It covers hundreds of energy-related topics including geothermal, solar, wind, hydrogen, utilities, buildings, and smart grid. Its resources support education, data exploration, and industry decision-making, and include initiatives such as the Open Energy Data Initiative, Utility Rate Database, and specialized data repositories and toolkits.
openHAB is a vendor- and technology-agnostic open source automation software for the home, developed in Java on Apache Karaf. Its pluggable architecture supports over 400 technologies and thousands of devices, with rules driven by time, events, scripts, actions, notifications and voice control. It runs on Linux, macOS, Windows, Raspberry Pi, Docker and Synology, and is accessed through web, iOS and Android apps. It runs on local hardware without requiring cloud services.
Find and access economic policy, applied economics research data, with indexed dataset.
OpenLearning (Open eLearning) is a free, open source desktop e-learning authoring tool. It allows users to create engaging multimedia courses and educational games without coding. As a standalone installed application, it offers responsive performance that does not rely on an internet connection, and can be used to build and share course content at any time.
OpenMTP is a free, open-source Android file transfer application for macOS that moves files between Mac and MTP devices such as Android phones, Kindle, Garmin, FujiFilm and Meta Quest VR. It supports Apple Silicon and Intel Macs, offers drag-and-drop, file renaming, SD card access and dark mode.
A page listing email applications across Windows, macOS, Android, iOS, Linux, browser plugins and webmail providers that support the OpenPGP standard, either directly or with additional software. The page states that its authors do not actively participate in developing these third-party apps and have not performed security audits.
Open-source project that applies AI to data analysis, extraction, visualization, or business intelligence.
OpenQuack is a menu-bar voice dictation app for macOS. Pressing a hotkey and speaking places the transcript at the cursor. Speech recognition runs locally via WhisperKit on Apple Silicon, with no cloud, account, or signup by default. The project is written in Swift and released under the MIT license.
Explore railway infrastructure on a world map.
OpenRGB is open source RGB lighting control software that does not depend on manufacturer software. It runs on Windows, Linux and MacOS, replacing proprietary RGB apps with a lightweight interface. It offers a network-based SDK with bindings for multiple languages and a plugin interface. Version 1.1 is referenced.
OpenSpeedTest is a browser-based HTML5 internet speed test that measures download, upload, ping, and jitter without Flash or Java. It works on phones, TVs, consoles, and computers. A free and open-source self-hosted server can be deployed, and a speed test widget can be embedded on websites or apps.
OpenTodoList is a todo and task managing application written in Qt with a QML user interface. It targets typical desktop environments such as Windows, Linux and Mac OS X, as well as mobile devices like Android phones.
Open-source project that applies AI to data analysis, extraction, visualization, or business intelligence.
Openwork describes a system where AI agents called Claws execute tasks while human Pilots oversee them, forming Crews that complete missions. Mission rewards are escrowed on-chain on Base with a 7-day submit deadline and 3-day verify period. Pilots set oversight levels and approve checkpoints; participants earn $OPENWORK tokens, with a stated 3% platform fee.
Optunity is a Python library containing various optimizers for hyperparameter tuning. It provides several approaches to solving tuning problems, including cross-validation facilities and score functions. The documentation states it is supported in R, MATLAB, GNU Octave and Java through Jython, and is free software under a BSD-style license.
Oracle is an interactive web program that analyzes patterns in a user's left and right arrow key inputs to predict their next keystroke. It is typically correct around 70% of the time, as humans struggle to act randomly. The program records each keystroke, compares the frequency of subsequent left or right inputs after matching four-keystroke sequences, and guesses the more common outcome. A similar approach can be applied to Rock-Paper-Scissors.
Oracle Cloud Free Tier lets users build, test and deploy applications on Oracle Cloud. It includes Always Free cloud services usable for an unlimited time and a US$300 cloud credit to use within 30 days on all OCI services. After 30 days, accounts continue to receive Always Free services.
