Become a Member
C4SB is the premier community for collaboration on open technology and agile standards for digital management of buildings throughout their lifecycle.
C4SB members provide vital resource and financial contributions that support its mission to accelerate the digital management of buildings through open source. Members are able to influence the direction of C4SB in its mission, and get strategic support and additional benefits, such as members-only events and initiatives. Become a member to receive this extra support and make the most of your engagement with C4SB.
Why Join
As a member-funded non-profit, our contributing members provide the critical financial support to ensure that our ecosystem is sustainable for decades to come. In addition, members get access to certain members-only benefits such as:
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Access and networking: access to thought leaders and peers through discounted access and members-only events.
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Marketing: leverage our community and platform to amplify your reach, connecting with customers and collaborators.
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Advising: receive white glove partnership help from C4SB staff to reach your digital goals through open source.
Read our Member Benefits Guide [link] for more information on membership and benefits
Pricing*
Not currently LF Member
$120,000 (USD) / year
Currently LF Member
$100,000 (USD) / year
Associate Membership is free for pre-approved open source project, non-governmental organizations, academic institutions, or government research institutions.
There is no membership fee for individuals. Individuals are most welcome to join and contribute to any and all C4SB interest groups, working groups, events and activities. Some events, trainings or other activities may have a fee.
I Am Ready to Join C4SB!
I Have Questions
General (priced by employee headcount)
Not currently LF Member
$70,000 (USD) 5,000+
$40,000 (USD) 2,000 – 4,999
$25,000 (USD) 500 – 1,999
$15,000 (USD) 100 – 499
$10,000 (USD) Up to 99
Currently LF Member
$50,000 (USD) 5,000+
$25,000 (USD) 2,000 – 4,999
$10,000 (USD) 500 – 1,999
$5,000 (USD) 100 – 499
$5,000 (USD) Up to 99
*Participation in C4SB as a corporate member requires companies to also be a corporate member of The Linux Foundation.
**Strategic C4SB membership requires an initial 2-year commitment.
MEMBERS
