PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

A p2p, secure file storage, social network and application protocol

DEPRECATED! Java implementation of the Ethereum yellowpaper. For JSON-RPC and other client features check Ethereum Harmony

a blockchain private key management library on android

An open platform for artificial intelligence, chat bots, virtual agents, social media automation, and live chat automation.

DEPRECATED: A BitTorrent-based music streaming service.

Micropayments-based file downloads

a notary service based upon the bitcoin blockchain to testify the existence of a document at a certain point in time

Timestamper app from the DevCore talk

Use bitcoin create timestamped hashes

Decentralized, instant off-chain Bitcoin payments library in Java. NOTE: For historical purposes only; prototype of precursor to Lightning Network.

Find contracts in the Ethereum blockchain, analyze its bytecode and filter by JSON custom rules

Sistema de Votación Anónimo para Internet controlado por DNI electrónico

Android Application that connects to Bluetooth LE services exposed by Raspberry PI to open the garage door.