Drilldown: tool

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tool > url : ko-fi.com or signal.org

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company:
Kofi (1) · Signal Foundation (1)
tagline:
end-to-end encrypted messaging from a nonprofit (1) · free tip jar with optional shop (1)
protocol:
https (2)
url: (Click arrow to add another value)
pricing:
free (1) · varies (1)
amount:
None (1) · Free, no ads, no paid tiers. Run by the Signal Foundation, a US 501(c)(3) nonprofit funded by grants and donations; by charter it cannot be acquired. (1)
source license:
closed (1) · open (1)
hosting:
cloud (2)
description:
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)
usage notes:
None (1) · Registration: no nonprofit status or business registration required to sign up. (1)
rejected alternatives:
None (1) · WhatsApp (uses the Signal protocol but is Meta-owned and harvests metadata) and Telegram (chats are not end-to-end encrypted by default, weaker crypto). (1)
category:
Fund Raising (1) · Secure Messaging (1)

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