https://medium.com/@kingonly/the-future-of-bitcoin-3187aefe2746
I read today that IOTA, stellar, ethereum and Neo are also working on their own Lightning Network.
https://blog.iota.org/instant-feeless-flash-channels-88572d9a4385
https://raiden.network/
https://www.stellar.org/blog/lightning-on-stellar-roadmap/
https://steemit.com/cryptocurrency/@pandorasbox/trinity-lightning-network-for-the-neo-blockchain
The Lightning Network is a bigger invention than many people think yet many noobs still call bitcoin an outdated tech. Don't fall for this FUD.
Bitcoin with this much Dev activity is and will always be the king.