1bitcoin.io
United States flagEnglish

BITCOIN & CRYPTO DIRECTORY

1Bitcoin HUB

Find useful things to do with Bitcoin.

Wallets, places to spend, tools to build. All in one place.

The catalog↗

44,237listings
Projects & services
6,129
Merchant locations
29,726
GitHub repositories
8,382

Narrow your wallet choices with the wallet finder, or start taking payments with the merchant guide.

Explore
Explore GitHub projects
Refine your search
Search nearby

Your coordinates are used only when you choose a nearby search.

#solidityClear filters

Browse the Hub

1,174 listings

Developer tools & open source

kleros/kleros

Public crypto repository written primarily in Solidity.

arbitratorblockchaindispute resolution
☆ 254 +0 / 7dView listing
Developer tools & open source

imbue-bit/no_JIT

Public crypto repository written primarily in Solidity.

block chainfinancefinancial analysis
☆ 245 +0 / 7dView listing
Developer tools & open source

q9f/eth.rb

Public crypto repository written primarily in Ruby.

abieip155eip1559
☆ 234 +0 / 7dView listing
Developer tools & open source

eth-sri/securify

Public crypto repository written primarily in Java.

chainsecuritydatalogdepricated
☆ 223 +0 / 7dView listing

Imported records link to their sources. An entry is a discovery aid, not an endorsement. About the Hub →

Search 1Bitcoin

Tools & guides

Hub listings