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Association Management Software

Tendenci

Open source association management software for nonprofits and membership organisations

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  • Donor Management
  • Online
  • Business Hours
  • Documentation
  • +23 more
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About Tendenci

Tendenci is an open source association management system for nonprofits and associations. It combines membership, events, donations, job boards and websites in one platform. Customers keep ownership of their data and can modify the code.

What Tendenci offers

  • Membership management — sign-ups, renewals, member types, groups and directories.
  • Content management — pages, articles, news and photo albums, edited without coding.
  • Rich media — photo galleries, videos and documents.
  • Community forums — online discussion for members.
  • Events and donations — managed alongside the website.
  • Developer resources — documentation and source code on GitHub.

Who it works with

Nonprofits, associations and cause-related organisations.

Key facts

  • Licence: open source
  • Admins: no limit on administrators
  • Users: more than 1.4 million, according to the site

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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