Open-source useful tools

Closed-source softwares are not allowed in this page. Please check you can access the sources before using a program listed here, if not, warn a moderator.

Anyway, in general, never use closed-source tools when bitcoins are involved, for obvious reasons.


Client forks

piotrnar’s fork

Import/export transactions



Wallet managing: import/export/delete addresses and transactions, recover *coins sent to Bitcoin addresses
Sign/verify messages and files with Bitcoin addresses
Recover previously deleted key



Recover wallets from reformatted drives

Online (info)

List of blocks and transactions

Bitcoin Charts (info)

List of unconfirmed transaction

Bitcoin Monitor (info)

Visualize the activities on the Bitcoin network

BitAddress (info)

Generate an address and private key for an offline wallet. (“Paper wallet”) Generate bulk addresses. Verify keys. (info)

Generate an address and private key for an offline wallet (“Paper wallet”). Implements a unique two-sided tamper-evident folding design.


See Also on BitcoinWiki