Electrum

Electrum is an easy to use Bitcoin client. It protects you from losing coins in a backup mistake or computer failure, because your wallet can be recovered from a secret phrase that you can write on paper or learn by heart.

Free Open Source Mac OS X Windows Linux Android

Armory

armory is an open source wallet management platform for the bitcoin network.

Free Open Source Mac OS X Windows Linux Ubuntu

Coinomi

Free Secure Multi-Coin Multi-Asset HD Wallet for Bitcoin and Altcoins Features • Multi-Coin Native support for bitcoin and most major altcoins. Continuous integration of key alt-coins.

Free Android Android Tablet

BitcoinDroid

BitcoinDroid is a thin client for the bitcoin daemon. This app will connect to an SSL-protected instance of the bitcoin daemon and interact with it using the JSON-RPC API. Currently only queries for status.

Free Android

Darkwallet

Dark Wallet will serve as a platform or a starting codebase to deliver a high quality Bitcoin that serves the people.

Free Mac OS X Windows Linux BSD