This is a list of known Open Software projects:

  • HashCash - The first completely private, permissionless, true digital cash system.
  • NoodlePay - Send Bitcoin payments from an air-gapped mobile wallet.
  • Unsnoopable - Completely unsnoopable messaging between air-gapped devices.
  • Business::Bitcoin - Perl module to accept Bitcoin payments online.
  • Business::HashCash - Perl module to accept HashCash payments online.
  • Authen::TuringImage - Perl module for image based Turing test (CAPTCHA).
  • Crypt::EC_DSA - Perl module for Elliptic Curve Digital Signature Algorithm (ECDSA).
  • Crypt::ECDSA::Blind - Perl module for blind ECDSA signatures.
  • Crypt::RSA::Blind - Perl module for blind RSA signatures.
  • Crypt::EECDH - Perl module for a simple ephemeral ECDH + AES hybrid cryptosystem.
  • Crypt::FDH - Perl module for full domain hash.
  • IPC::Queue::Duplex - Perl module for filesystem based request / response queue.
  • IPC::Serial - Perl module for message passing over serial ports.