OpenAudio is a list of open-source audio software projects, covering apps, plugins and libraries. The intent is to catalog open-source audio apps, plugins such as VSTs, and other resources that are either fully featured or useful examples with non-trivial features. It includes sections for audio plugins, collections, audio apps, development libraries and APIs, code samples and open data resources.
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OpenAPI Converter is a GitHub repository or organization with source code, releases, documentation, or project resources.
Create customized software using natural language idea (through llm-powered multi-agent collaboration).
The AI coding agent built for the terminal.
OpenColorIO is an open-source color management solution geared towards motion picture production, with an emphasis on visual effects and computer animation. OCIO is integrated and ready to use in many major software packages.
OpenCVE is a searchable database of CVEs and security vulnerabilities, showing results with vendor, product, update date and CVSS scores. It also offers example searches such as CVEs in KEV and CVEs with high EPSS scores.
OpenDroneMap is drone mapping software that generates maps, point clouds, 3D models and DEMs from images taken by any camera in any orientation. Its ecosystem includes ODM, a command line toolkit for processing aerial images from drones, balloons or kites, plus NodeODM, CloudODM, PyODM, ClusterODM and other projects.
OpenFOAM is free, open source computational fluid dynamics software written in C++, owned by the OpenFOAM Foundation and distributed under the General Public Licence. It calculates fluid motion and forces, heat transfer, thermodynamics and chemistry in fluids and solids. It is produced by the core maintenance team at CFD Direct and is used in industry, government research and academia.
OpenGameArt.org is a site for browsing and sharing game art. Its categories include 2D art, 3D art, concept art, textures, music, sound effects and documents. The site also hosts forums, art challenges and user art collections, and users can submit and collect art.
OpenGeofiction is a user-made map of a fictional world, created using the OpenStreetMap software platform. The site is run by volunteers and funded by donations, and use of the website or other provided infrastructure is subject to the Terms of Use. It offers a way to learn more and start mapping.
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.
OpenMPT (Open ModPlug Tracker) is a free tracker software for Windows that is a step sequencer supporting many tracker module formats. It can create and play back music, import a wide variety of module formats, and natively edit Impulse Tracker, FastTracker, Scream Tracker and ProTracker module files. It offers a native GUI, VST plugins and ASIO output.
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.
Openpanel is a GitHub repository or organization with source code, releases, documentation, or project resources.
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.
OpenRabbit is a free, open-source, self-hosted GitHub pull request reviewer. It analyzes PR diffs, consults a pluggable LLM provider such as Groq or OpenRouter, and posts a summary with inline comments. It runs entirely in GitHub Actions, so no server or hosting subscription is required, and code stays in the user's runner.
Explore railway infrastructure on a world map.
OpenSCA-CLI is a GitHub repository or organization with source code, releases, documentation, or project resources.
OpenSCAD is free software for creating solid 3D CAD models, available for Linux/UNIX, Windows and Mac OS X. It is not an interactive modeller; instead it reads a script file describing an object and renders the model. It focuses on CAD aspects rather than artistic modelling and provides constructive solid geometry and extrusion of 2D outlines.
Continue is an open source coding agent. It is hosted on the GitHub repository continuedev/continue, which includes project documentation and notes a final 2.0.0 release. Contributors can engage with the project by creating a GitHub account.
Kilo - Open-source AI coding assistant for VS Code, JetBrains, and the CLI.
Model Context Protocol - An open standard for connecting AI models to external tools and data sources. MCP Registry.
Vanna is an open source tool that enables users to interact with SQL databases via natural language. It uses large language models and agentic retrieval to generate accurate text-to-SQL queries.