Open source version of Google Authenticator (except the Android app)
The I2P anonymous network. (this is a mirror of the master monotone repo, updated manually whenever I run the script)
Moloch is a open source large scale IPv4 full PCAP capturing, indexing and database system.
Python Web Crawler from Udacity's CS101
Signal Whisper Protocol in Python
Barcode and QR code reader built in Swift
Simple QRCode reader in Swift
A permissioned implementation of Ethereum supporting data privacy
signal-cli (formerly textsecure-cli) provides a commandline and dbus interface for WhisperSystems/libsignal-service-java
Python library and shell utilities to monitor filesystem events.