Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.
Phoenix Wallet - The Bitcoin wallet from the future, by @acinq_co. Discussion forum: https://t.co/HmBNlLOzmh. Support: phoenix@acinq.co
BitStamp - Provide reliable and easy to use service for companies and individuals to exchange bitcoins.
Alby - The Bitcoin Lightning wallet for direct payments across the globe.
Mycelium Bitcoin Wallet - With the Mycelium Bitcoin Wallet you can send and receive Bitcoins using your mobile phone.
Electrum - Electrum is an easy to use Bitcoin client.