Web Site Development Trade Associations

AIGA (the professional association for design)

The professional association for design in the U.S., supporting digital, interaction, and visual designers through 60+ chapters, education, and advocacy—highly relevant to web design teams.

https://www.aiga.org Membership: 22,000

Apache Software Foundation (ASF)

Nonprofit steward of hundreds of open‑source projects (including the Apache HTTP Server) that underpin much of the modern web; membership comprises individual voting members selected for merit.

https://www.apache.org Membership: 1,000

BIMA (British Interactive Media Association)

UK community for digital and tech—agencies, brands, and practitioners—offering councils, training, awards, and networking for the interactive/web sector.

https://www.bima.co.uk Membership: 5,000

Cloud Native Computing Foundation (CNCF)

Linux Foundation umbrella for cloud‑native open source (e.g., Kubernetes, Prometheus) that powers web apps at scale; connects vendors, end users, and contributors.

https://www.cncf.io Membership: 800

Design Business Association (DBA)

UK trade association of design consultancies and design‑driven businesses; promotes effective practice and business growth for agencies delivering digital/web services.

https://www.dba.org.uk Membership: 350

FIDO Alliance

Industry consortium advancing passwordless sign‑in standards (FIDO / passkeys) used across the web; draws members from platforms, device makers, and online services.

https://fidoalliance.org Membership: 300

IAB (Interactive Advertising Bureau)

U.S. trade association for digital media and advertising; develops standards, research, education, and policy that affect web publishers, ad tech, and developers.

https://www.iab.com Membership: 700

IAB Tech Lab

Technical standards consortium for digital advertising (e.g., OpenRTB, transparency/compliance tools); working groups span the web advertising supply chain.

https://iabtechlab.com Membership: 1,000

IAAP (International Association of Accessibility Professionals)

Global professional body for digital accessibility specialists; provides certifications (e.g., CPACC, WAS), education, and a community essential for accessible websites.

https://www.accessibilityassociation.org Membership: 5,000

Internet Society (ISOC)

Global nonprofit advocating for an open, secure, and trustworthy Internet; large worldwide membership and chapters influence policy and technical capacity that shape the web.

https://www.internetsociety.org Membership: 134,758

IxDA (Interaction Design Association)

Global community for interaction designers with local groups and conferences; supports UX practice across digital products and websites.

https://ixda.org Membership: 150,000

Linux Foundation

Home to many foundational open‑source projects used in web development; corporate membership supports neutral governance and ecosystem growth.

https://www.linuxfoundation.org Membership: 1,000

OASIS Open

International standards consortium producing widely used web‑relevant specs (e.g., SAML, MQTT, ODF) with a large participant base across sectors.

https://www.oasis-open.org Membership: 5,000

Open Source Initiative (OSI)

Nonprofit steward of the Open Source Definition and licensing; member‑driven advocacy and education that affect open‑source use across the web stack.

https://opensource.org Membership: 5,000

OWASP (Open Web Application Security Project) Foundation

Global nonprofit improving software security for the web; known for the OWASP Top 10, projects, chapters, and training supporting developers and AppSec teams.

https://owasp.org Membership: 7,903

Out in Tech

Nonprofit community for LGBTQ+ tech professionals offering mentorship, events, and pro‑bono web builds (Digital Corps) that support inclusion in the web industry.

https://outintech.com Membership: 50,000

The Open Group

Global consortium best known for TOGAF and other enterprise architecture standards used to plan and govern large‑scale digital and web systems.

https://www.opengroup.org Membership: 926

TYPO3 Association

Association funding and coordinating the TYPO3 CMS ecosystem; supports core development, events, and a professional network of web agencies and implementers.

https://typo3.org/project/association Membership: 1,000

UXPA International (User Experience Professionals Association)

International association for user‑experience professionals with chapters, research, and education—core to user‑centered web design and evaluation.

https://uxpa.org Membership: 2,400

World Wide Web Consortium (W3C)

The web’s primary standards body producing HTML, CSS, and hundreds of open recommendations; organizational members shape the open web platform.

https://www.w3.org Membership: 350