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Signal Technology Foundation is an independent 501c3 nonprofit. The team at Signal is committed to the mission of developing open source privacy technology that protects free expression and enables secure global communication. Your contribution fuels this cause. No advertisements. No trackers. No kidding.


Your donation helps pay for the servers, bandwidth, and continued development of an app that is used by millions of people every day for secure, free, and instantaneous communication anywhere in the world. 


Please make a donation today.







You’ll receive an email confirmation for your tax records. Signal Technology Foundation is a nonprofit charity that is tax-exempt under section 501c3 of the Internal Revenue Code. Our Federal Tax ID Number is 82-4506840.