This page catalogs all known projects working on building user-side SQRL client applications and server-side SQRL support.

• At Drupal.org: Secure QR Login for Drupal
  A fully working implementation for Drupal, including links to test sites.
• At GitHub: An SQRL client in Java.
• At GitHub: An An Ed25519 implementation for node.js.
• A website for: “Playing with Ed25519”.
  The site's source code on GitHub. (And the node.js module is in the link above.)
• At Bitbucket: ed25519.
  “ Implementations of the EdDSA/ed25519 Digital Signature Algorithm in various languages. Original Python implementation in this repo is also available here: http://ed25519.cr.yp.to/. This repo aims to serve as a base for future implementations of Steve Gibson's SQRL authentication algorithm.”
• At GitHub: A PHP Server side implementation of a SQRL generator/listener.
• At GitHub: A SQRL WordPress Plugin.
• At GitHub: An Android implementation of SQRL authentication.
• Joakim Lundborg is assembling a SQRL solution in Python.
• At GitHub: A dot NET “sqrl-net” full SQRL implementation.
• At GitHub: A Python SQRL Client.
• At GitHub: “Squarrel” is an SQRL (Secure QR Login) engine for Ruby on Rails applications.
• At GitHub: A “Windows Phone 8” SQRL proof of concept.
• At GitHub: Some work on a SQRL identification/authentication library for iOS.
• At GitHub: A SQRL client implemented in Haskell.