django-vitals

Github

django-vitals is a django app that provides health check endpoints for vital services.

AstroChallenge

Website

AstroChallenge is a mix between planetarium software and a social network for astronomers.

GraniteMaps

Website

GraniteMaps is a collection of trail map apps for both Android and iOS. The maps work 100% offline, are GPS enabled, provide detailed trail descriptions and helpful information on local wildlife and emergency contacts. Featured in the Santa Cruz Sentinel and Hilltromper.

Shaftoe - PGP Web Service

Read More / Github

Shaftoe is a simple web service to encrypt messages using public keys using an openPGP implementation in PHP. The intended use case is to couple it with a web application so that it may send encrypted communications to it's users.

The Code Book Companion

Website / Github

Simon Singh's The Code Book is an excellent introduction to cryptology. As I read it I decided to implement some of the various algorithms and cryptographic techniques in software to better understand them. Examples include the The Vigenere Cipher, a Frequency Analysis tool and Diffie-Hellman key exchange implemented in Javascript.

Restorethe4th.com

Read More / Website / Github

Restore the Fourth is a grassroots, non-partisan, non-violent movement that seeks to organize and assemble nationwide protests on July 4th, 2013. Protesters in over 100 cities across America will gather to demand that the government of the United States of America adhere to its constitutionally dictated limits and respect the Fourth Amendment.

Firetrades.com

Github

A Ruby on Rails application to facilitate cross department shift trading for the San Francisco Fire department, which is apparently still stuck in the stone age.