Counterparty

Claim: "Counterparty is a platform for free and open financial tools on the Bitcoin network."

counterparty.io

Features

• Based on the bitcoin blockchain
• Distribution of dividends
• Multisignature addresses
• Creation of custom Tokens

Used by:

• GEMS
• LTBcoin
• Storj - crowdsale
• Koinify

Useful links:

• BlockExplorer
• Wallet
• Protocol specs
• GitHub organization

Notes

• Comparably the most active project
• Good project update communication
• Docs for developers available
• Wallet sofware written in node.js

Further reading

• Interview on epicenterbitcoin