OFA Records is a resource maintained by the Orthopedic Foundation for Animals that provides access to canine health information. It offers an advanced search function for health-tested dogs, along with options to order DNA tests, pay bills, and log in to user accounts. The site includes information on funded research, the organization’s DNA repository, guidance on interpreting OFA numbers, fee schedules, educational resources, publications, quarterly reports, policies, the Canine Health Information Center (CHIC) program, breed-specific data on conditions including hip dysplasia, elbow dysplasia, eye disease, cardiac disease, respiratory function, patellar luxation, thyroid issues, and DNA-based disease tests, disease statistics by breed, and health clinic applications.
Directory
Search results
Published directory entries matching your search.
Open source video editor focused on quick clipping, trimming, and browser-based media edits.
An online microphone test that checks whether a mic is working and properly configured. Users allow browser access, then a moving line shows when the mic picks up sound. It includes a troubleshooting guide and states that tests run client side, so voice is not recorded.
OnlineInterview.io is a free remote code interview platform with an embedded video chat, a drawing board and an online code editor that runs code in the browser. Rooms are created with one click and support up to three users, such as one candidate and two interviewers.
OP.GG provides League of Legends statistics, match history, live games, and rankings for players, with search across Summoner's Rift, ARAM, Arena, and other game modes. A pro game watching guide describes requirements for spectating pro matches, including that the LoL client must be installed and that spectating is not possible on mobile devices.
A free online tool that opens a list of URLs or links in separate browser tabs or windows with one click, with an optional delay between each. Lists are stored locally in the browser and are not uploaded.
The Open Data Commons for Traumatic Brain Injury is a free community platform for sharing and re-using data from pre-clinical traumatic brain injury research. It allows users to share data, publish data with a DOI and obtain citations, and offers tutorials, tools and a sample data management and sharing plan.
Open Sustainable Technology is a directory and analysis of the open source ecosystem in climate change, sustainable energy, biodiversity and natural resources. Its stated mission is to find, list, and share projects that preserve or analyze natural ecosystems through open technology, methods, data, intelligence, knowledge or tools. Contributions are invited via pull request or email.
OpenAsar is a client modification for Discord that aims to speed up startup and reduce size. It also offers basic theming through custom CSS and splash screens, plus configurable options, and is stated to work alongside other mods and across operating systems and Discord versions.
openmediavault is a free, open-source network attached storage solution based on Debian Linux. It provides services such as SSH, SMB/CIFS, RSync and a BitTorrent client, with web-based administration for storing, sharing and backing up data on hardware the user controls. Plugins extend the system with additional functionality.
OpenPanel is a multi-user web hosting control panel built around lightweight containers. Each user gets an isolated environment with a separate MySQL server, PHP version, Redis instance and root access. Administrators and resellers manage servers through the OpenAdmin panel, and the OpenPanel interface lets clients manage domains, websites, services and email. OpenCLI provides terminal commands for panel actions.
OpenToonz is open-source 2D animation production software based on Toonz, developed by Digital Video S.p.A. in Italy and customized by Studio Ghibli. Dwango launched the OpenToonz project with Digital Video and Studio Ghibli. It can be used free of charge for commercial and non-commercial projects.
A list of recommended OptiFine alternatives for Minecraft: Java Edition, organized into performance, cosmetic, shader, fog and utility categories. Listed mods must be publicly available and respect the Mojang EULA, and cheat clients are excluded. The page includes version ranges for entries such as Sodium on Fabric and NeoForge.
Orteil's homepage is the personal site of a developer who makes toys and games in JavaScript with help from Opti. It lists games including Cookie Clicker, Neverending Legacy, Nested, Genesis, and Murder Games, plus tools such as RandomGen, Idle Game Maker, and the Video Game Generator.
osu!droid is a free-to-play circle clicking rhythm game for Android devices, originally created by the osu! community and now developed by a small group of fans. Each beatmap has a leaderboard for competing with other players. The site states the game has never been released on Play Store and is not affiliated with osu! or ppy.
Outline is a tool for creating and running a personal VPN server. It consists of Outline Manager, a desktop application for setting up a server and sharing access keys, and Outline Client, an app for connecting to the server on mobile or desktop. Outline is open source and designed to be resistant to blocking, including DNS, content, and IP blocking.
Microsoft email and calendar service for personal, business, and web-based mail management.
Overlayed is an open-source Discord overlay for Mac, Windows and Linux. It shows a movable, transparent window listing who is speaking, muted and deafened in the current voice channel, stays always on top, and ignores mouse clicks. It is built with Tauri, a Rust framework.
Packet Sender is a free, open source utility for sending and receiving network packets, with support for TCP, UDP, SSL and DTLS. It includes a built-in HTTP client for GET/POST requests, panel generation, a command line interface for scripting, and runs on Windows, Mac and Linux.
PageGen is an AI page generator that creates web pages from text, screenshots and templates using Claude AI. The site lists real-time UI preview, AI-powered content search, animation support, dark mode preview and one-click publishing. AI page generation is offered through credit packs, including 30 credits for $9 as a one-time purchase.
paint.wtf is a drawing game judged by an AI. Players draw to prompts, and rankings of best drawings are shown for past prompts. It was created by roboflow and banana with OpenAI CLIP.
PairVPN Hotspot is an app for iPhone and Android intended to route traffic from a computer or tablet through a phone's connection so it appears as normal internet usage rather than hotspot usage. It requires mobile hotspot or USB tethering to be enabled, uses client mode on the computer and server mode on the phone, and currently connects only one device.
Pajhwok Afghan News is an independent news agency headquartered in Kabul with a nationwide network of reporters and correspondents. It delivers an average daily output of three dozen stories in Pashto, Dari and English, and provides photographs, video footage and audio clips to wire agencies, television and radio stations.
Panda CSS is a styling engine that generates atomic CSS from written styles at build time with no runtime cost. It supports design tokens, semantic tokens and themes, and recipes with variants, all type-safe. It runs through the CLI, PostCSS or a bundler, generating a typed styled-system directory for import.