Developer Jack Mallers released the beta version of a ligthning network called Zap. He introduces the new wallet and demo video for segregated witness which will go live on the bitcoin network shortly. It aims to push bitcoin's overall success.Many developers and organizations are trying to build working systems for the Lightning Network. The LN protocol focus on a network of shared payment channels that records bitcoin transactions more fast and cheap.
useful links
http://lightning.network
https://github.com/LN-Zap