Directory
Published directory entries matching your search.
Gadgeteer is a technology site focused on free and open source software (FOSS). It hosts a large curated list of free and open source software, and runs a tech blog covering gadgets, technology news and open source projects. The site advises corporate and government users to vet software with their CIOs and notes concerns related to OpenCore.
FossHub is a software directory providing free software, software reviews and guides. It organizes software into categories such as file sharing, audio editors, utilities, graphic apps, video editors, multimedia, developer tools and operating systems, and lists popular open-source titles with download counts.
Open Source Security Software is a developer resource for coding, documentation, communities, security research, or software tools.
opensourcealternative.to is a free directory that bills itself as the world's largest collection of open source software alternatives to proprietary products. It hosts over 500 open source alternatives to popular proprietary tools, and reports that over 2 million users have replaced proprietary software with options found on the platform. Listed alternatives include game engines, business suites, observability platforms, communication tools, and databases.
The Software Heritage archive collects publicly available software in source code form together with its development history. It aims to replicate the collected material to support preservation and to share it with those who need it. The archive grows as new source code is crawled from software projects and development forges. A web interface and API are provided.
Open Source Design is a community of designers, developers and advocates working to improve the usability of open source software. It runs a job board connecting designers with projects, organizes events and conference design tracks, and shares openly licensed resources and open source design tools.
OpenAlternative is a curated collection of open source alternatives to everyday SaaS products. The site lists projects with repository stars, last commit times, licenses, and short descriptions, and notes support from partners and sponsors. It describes itself as a crowdsourced directory of open-source software.
Opensource Builders is a platform that helps users discover open source alternatives to popular proprietary software. It allows users to compare features and capabilities of different open source tools to identify the best options for their needs. The platform is an initiative of Openship, and its interface was adapted from a design by Maze Heart.
Fossies is a curated repository of selected free and open source software focused mainly on Internet, engineering and science. It lets users view archive contents and browse individual member files, and provides doxygen-generated source code documentation for most packages. It also offers package meta information and license file overviews.
Isitreallyfoss is a website where projects are evaluated against the rights and freedoms provided by open source and free software. The repository on Codeberg holds the site's source, including about pages, documented license and transparency issues, and the project entries shown on the site. The site is built with Astro, and requests and feedback are accepted through Codeberg issues.
A website that evaluates projects to see whether they are as free and open source as advertised. It publishes reviews of software projects, noting licensing, marketing and transparency concerns, and lists categories of concerns such as open washing and open-core models. Reviews are performed manually without legal expertise.
The ESCAPE Open-source Scientific Software Repository is a curated Zenodo community for sharing scientific software, services and datasets for astro-particle and particle physics communities. Submissions are reviewed for metadata, licensing and documentation, and hosted on Zenodo with persistent DOIs. A Python library supports CodeMeta metadata generation, validation and publishing automation.
Libera.Chat is an IRC network for collaboration on free and open source software projects. Its site publishes a bot and LLM policy update, addressing unsupervised LLM-driven bots on the network and announcing planned policy additions for 2026-05-30. It also provides a frequently asked questions guide covering accounts, channels, bans and staff contact.
OSSSoftware helps discover software alternatives, open source projects, or replacement apps.
Source 2 Viewer (S2V) is a free, open-source tool for browsing VPK archives and viewing, extracting and decompiling Source 2 assets, including maps, models, materials, textures, sounds and particles. The project is reverse-engineered without an official Source 2 SDK and is not affiliated with Valve Software. It supports games such as Counter-Strike 2, Dota 2, Deadlock and Half-Life: Alyx.
Software discovery site for finding alternatives to apps, services, and digital tools.
High Assurance Rust is a book about developing secure and robust software. It presents a project-based approach to systems programming and low-level software security, teaching Rust by re-implementing a major dynamic collection from its standard library. It discusses using open-source software assurance tools, including rustc, libFuzzer, rr, qemu, differential fuzzing and deductive verification.
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.
MyBrowserAddon is a community platform for open-source projects. It helps developers create and share open-source projects, and provides documentation, tutorials, frequently asked questions and bug report forms for open-source software. The platform is dedicated to developers interested in learning about and contributing to open-source projects.
OSS Gallery is a crowdsourced list of open-source projects on the internet. The site features projects with star counts and short descriptions, including Dub, shadcn/ui, freeCodeCamp, and roadmap.sh. Individual project pages present summaries such as Dify's LLM app development platform and LibreChat's ChatGPT clone.
Vinegar is a bootstrapper for Roblox Studio that has ease-of-use features, distributed as open-source software with open-source documentation. The site also documents Sober, an experimental software interoperability layer for running Roblox Player on Linux. VinegarHQ states it is not affiliated with Roblox Corporation.
Memtest86+ is a free, open-source, stand-alone memory testing tool for 32-bit and 64-bit computers, with support for both BIOS and UEFI boot. It provides more thorough memory checking than standard BIOS memory tests, and supports IA-32, x86-64, and LoongArch64 system architectures. The tool is released under the GNU GPL v2.0 license, and is not affiliated with the closed-source Memtest86 software owned by PassMark Software Pty Ltd.
RealityRipple Software is a site by Andrew Sachen offering applications, utilities, Mozilla extensions and themes, described as free and open source. It hosts over a dozen applications and 30 Pale Moon extensions, with source code available for most applications and digitally signed installers. The site dates its work to April 14, 2003.
EarthByte is a research group at the University of Sydney's School of Geosciences. It pursues geodata synthesis through space and time, building a deep-time virtual Earth, and is known for collaborative software development, big data analysis and open access digital data collections. It leads development of open-source virtual Earth software including GPlates and pyGPlates.
