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End-to-end encrypted 1:1 and group messaging, plus voice/video calls, built on
the audited Signal Protocol (Double Ratchet + X3DH). ~40M monthly users. Registration
requires a phone number; usernames (added 2024) let you start chats without sharing it. (1) ·
Free tip-jar platform with the lowest baseline fees of the group -- 0% on
simple one-time tips -- plus optional shop/membership features. No nonprofit registration or
business entity is required to sign up. (1) ·
Open-source CRM purpose-built for nonprofits and advocacy groups -- donor
tracking, campaign management, event registration, and membership -- rather than a
generic sales CRM repurposed for fundraising. Integrates as a plugin into WordPress,
Drupal, or Joomla. (1)
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Showing below up to 3 results in range #1 to #3.