Bitcoin XT!

Litecoin is a peer-to-peer Internet currency that enables instant payments to anyone in the world. It differs from its parent Bitcoin in that can be efficiently mined with consumer-grade hardware. Litecoin provides faster confirmations (targeted at every 2.5 minutes on average) and uses memory-hard, scrypt-based mining to target the CPUs and GPUs most people already have. The Litecoin network is scheduled to produce four times as many currency units as Bitcoin.

Dogecoin is an open source, decentralized, peer-to-peer cryptocurrency, favored by Shiba Inus worldwide.

Namecoin is a distributed domain name system based on the Bitcoin technology. Namecoin extends Bitcoin to add transactions for registering, updating and transferring domain names. Namecoin provides an alternative to the existing domain name system (DNS), in which names can be taken from their owners by groups that control the DNS servers.

Darkcoin is an open source peer-to-peer cryptocurrency that uses a system called Darksend to add privacy to transactions.It allows you keep your finances private as you make transactions, similar to cash.

Peercoin is a P2P digital currency and payment system optimized for security and energy-efficiency.

Bitcoin Unlimited is a fork of the Bitcoin Core client, giving the miners and users the opportunity to determine the block size limit themselves.

MultiDoge is a desktop Dogecoin client, powered by dogecoinj. Ported from the MultiBit Bitcoin client.

CureCoin is a CryptoCurrency based on coupling SHA-256 Mining and Folding@Home Protein Folding.

When you login to LiteVault, your browser sends your identifier to our server, we return an encrypted version of your wallet with the AES algorithm, your browser then decrypts this using your password (which is never sent to the server) to load your private keys used to sign transactions.

Bitcoin Classic is a fork of Bitcoin classic, raising block limit size to 2 MB, aiming to raise it at 8 MB later