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Open Source Initiative – The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
Open Source Initiative defines and promotes open source standards, offering resources, news, and guidance for the global open source software community.
Defines and guides open source standards
Open Source Initiative (OSI) is the globally recognized authority that defines what it means for software to be open source. Here, you'll find the official Open Source Definition, information about licenses, and updates on the evolving landscape of open source technology.
Whether you're a developer, company, or simply interested in open source, OSI offers guidance, educational resources, and a place to connect with others in the community. The site also shares news, blog posts, and initiatives to help strengthen and grow the open source ecosystem.
If you want to learn more about open source, contribute to its standards, or stay up to date on developments, OSI is a welcoming hub for knowledge and collaboration.
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Learn about web standards, specifications, and the latest updates from the W3C as organizations collaborate to shape the future of the social web.
The IETF develops and promotes internet standards, bringing together experts to advance the technology that powers the global Internet.
Official site for HDMI licensing, specs, and education—find technical details, compliance info, and updates on HDMI standards for devices and cables.
Get official RSS specifications, updates, and best practices from the RSS Advisory Board. Stay informed about Really Simple Syndication news and resources.
The WHATWG website is home to web standards and specifications, helping developers and browsers build and support modern web applications.
The Web Standards Project promotes web standards, making web technologies more accessible and consistent for everyone across browsers and devices.
OASIS Open brings people and organizations together to develop open standards and solutions for global technology challenges.
SNIA is an industry group offering global standards and educational resources for data storage technologies, connecting experts and advancing the field.
Dublin Core Metadata Initiative (DCMI) advances metadata standards, offers resources, and connects a global community through conferences and educational content.
Learn about the GraphQL Foundation, a neutral group supporting the GraphQL community with resources, events, and tools for developers worldwide.
ETSI creates global ICT standards for networks, systems, and services, supporting innovation and interoperability across industries worldwide.
The International Color Consortium sets global standards for color management, helping ensure consistent color across devices, software, and workflows.
ANSI coordinates U.S. voluntary standards and accreditation, helping industries and organizations ensure quality, safety, and compliance nationwide.
Learn about the DOI system and join a global community focused on persistent digital identification and standards for scholarly and digital content.
Schema.org offers shared vocabularies that help you add structured data to your website, making your content more understandable to search engines and apps.
ISO sets international standards that help businesses and consumers ensure quality, safety, and efficiency across products, services, and industries worldwide.
IAB Tech Lab is a non-profit group creating open technology standards that help build trust and growth in the global digital advertising ecosystem.
BIPM is the global organization where countries collaborate on measurement standards and metrology, providing guidance and resources for accurate measurements.
PHP-FIG brings together PHP projects to create shared standards and guidelines, helping developers build better, more compatible PHP software.
Ecma International sets industry standards for information and communication systems, offering resources, publications, and updates for tech professionals.
Browse up-to-date drafts of CSS standards from the official CSS Working Group, providing technical specs and documentation for web developers.
IPTC sets global technical standards for the news media, offering resources, guides, and membership for those shaping the future of digital news.
SECG is a group that creates open standards for efficient cryptography, helping technology companies ensure secure and compatible computing systems.
Official site of the International Civil Aviation Organization, offering aviation standards, guidance, and global resources in multiple languages.
Wi-Fi Alliance connects companies worldwide to develop Wi-Fi standards and certify products, helping you find trusted devices and industry updates.
Official USB standards website with resources for developers, compliance info, certified products, and updates on USB technology advancements.
ASTM International develops and publishes global standards that support quality, safety, and innovation across industries and products worldwide.
The Java Community Process website is where Java developers collaborate to define and update Java standards, sharing updates and resources for the Java platform.
The Open Group is a global consortium that develops open, vendor-neutral technology standards and certifications for organizations and professionals.
Archive of the International Digital Publishing Forum, the standards body for digital publishing, now merged with W3C. Find legacy info and resources here.
Worldwide Opensource.org Alternatives
Official site for the W3C Technical Architecture Group, sharing web standards, architecture guidance, and resources for developers and the tech community.
Access official NIST technical publications, research papers, and standards from the National Institute of Standards and Technology in one searchable library.
Activity Streams shares an open format for syndicating social activities across the web, helping sites and apps connect and display shared user activities.
Defines clear principles for open data and content, helping users understand and apply openness standards in various languages.
Defines how browsers and web apps handle requests and responses, offering detailed documentation for developers on the Fetch API standard.
The Extensible Web Manifesto advocates for a transparent, developer-driven approach to creating and prioritizing new web standards and features.
ATSC develops international standards and guidelines for digital TV broadcasting, offering resources, news, and membership for industry professionals.
OpenJS Foundation supports the growth and development of key JavaScript technologies, offering resources, events, and community for developers worldwide.
Official website of the JPEG committee, sharing news, standards, and resources about JPEG image formats and ongoing image compression developments.
The SD Association sets global standards for SD memory cards, helping companies create compatible devices and providing resources for industry members.
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