Bitcoin Core Client
The original, open-source BTC node software written in C++, contains the entire BTC blockchain.
Primary Platform
Desktop
Built-in Exchange
No
Security
None
Data Storage
Offline, Paper, Cold storage
Platform
All Desktop
Open Source
Yes
Online Availability
None
Offline Availability
Paper wallet
Supported Coins
Bitcoin Core Client alternatives
Electrum BTC Wallet
Has a longstanding reputation with the community, now available on most platforms.
Bitcoin Paper Wallet
The premier BTC cold storage means, generates paper wallets and keys using client-side software.
DogeChain
Client-side, web-based Dogecoin wallet that allows for the creation and import of paper wallets.
BTC.com Wallet
Highly regarded in the bitcoin community, this is an easy-to-use, web-based wallet.