Aave is an open source non-custodial protocol on Ethereum for decentralized lending and borrowing.

Abra is the investment product and a mobile crypto wallet that can be used on both Apple and Android platforms. Abra supports cash-out transactions as well as bank transfers.

Agama is a Multiwallet provided by the SuperNet project, a company acquired by Komodo (KMD). The wallet is currently in development but offers multiple unique features.

Based in Switzerland, AirGap is a two-device self custody solution for various digital assets.

Akchex is an open source web & Android wallet for storing and quickly access WAVES and other assets.

AnkerPay Wallet is a multi-cryptocurrency that wallet currently supports Anker, Bitcoin, Litecoin, Dash and Dogecoin.

The ANX Vault app includes the all-important send and receive functions vital to any bitcoin wallet.

The ArcBit wallet was launched in the 2017 year. Though its page remain on mobile app stores, the current website of the project focuses on developing of a different app, the Neironix analytical app.
ArcBit was a Bitcoin user controlled app. No registration was required to use the app.

Argent is a digital cryptocurrency non-custodial wallet working as a mobile bank. The wallet is built on the Ethereum blockchain. It has an open-source architecture. Supported assets include Ethererum and 80+ Ethereum-based tokens. 

Armory is a free Bitcoin cold wallet supporting multi-signature. It is an open source protocol utilizing high-end protection features. Historically Armory is one of the earliest efficient cold storage cryptocurrency wallets. This wallet has a reputation of one of the most secure Bitcoin wallets. Armory doesn't support any cryptocurrency besides Bitcoin (BTC).

Atomex wallet is a mobile app with an in-built conversion tool for multiple currencies. Atomex is Android compatible whereas an iOS version is coming. 

Atomic is a decentralized multi-cryptocurrency wallet available for Windows, Mac OS and Linux. The wallet uses BitTorrent technology for distributed order book and atomic swap technology for cross-chain custody free exchange. Atomicwallet also features instant exchange options - Changelly and ShapeShift. Atomic supports more than 300 crypto-currencie.

Aximetria is a digital assets wallet that allows clients worldwide to open accounts in a Swiss-based financial platform remotely, issue debit cards, spend and transfer money abroad. It provides access to global currencies and cross-border payments using stable digital currency and traditional fiat economy infrastructure.

Cryptocurreny wallet

REAL Security Inc. has challenged competing hardware wallets providers with their new cold storage device. The BC VAULT (short for Blockchain Vault) is a multi-crypto hardware wallet that generates non-deterministic wallets, enables easy and secure crypto transactions and offers encrypted backups by default.

BEPAL PRO S is a hardware cryptocurrency wallet. It allows users to store their digital assets (BTC, ETH, EOS, LTC, and others) into an offline device.

BitAddress is a way to create a paper wallet online. 

Bitamp is an open-source, client-side, free Bitcoin wallet that allows you to send and receive Bitcoin instantly on the blockchain. All while remaining in complete control of your seed and private keys.

BitClassic is an open-source wallet for the users of B2C crypto-currency. It is designed to store, send and accept BitClassic (B2C) payments.

Bitcoin Core is the full Bitcoin client and therefore takes up a lot of space as it downloads the full blockchain.