e-gold is described as 'is the only tangibly backed, worldwide electronic monetary/payments system. e-gold is 100% backed by physical gold (silver, platinum, palladium)' and is a Online Bank in the Business & Commerce category. There are more than 10 alternatives to e-gold, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and Linux. The best alternative is Bitcoin, which is both free and Open Source. Other great sites and apps similar to e-gold are PayPal (Paid), Litecoin (Free, Open Source), Flattr (Paid) and Amazon Pay (Freemium).
Bitcoin is a peer-to-peer digital currency. Peer-to-peer (P2P) means that there is no central authority to issue new money or keep track of transactions. Instead, these tasks are managed collectively by the nodes of the network.
Flattr is a social micropayment service, that makes it easy for you to "flatter" things on the internet that you like. When you're registered to Flattr, you pay a small monthly fee of your own choosing.
Dwolla provides platforms a simple, fast, and robust service for bank transfers (i.e. ACH transactions). Use branded or white label APIs to verify bank accounts instantly, transfer payments, keep balances, or route funds directly to bank account and routing numbers.
BitcoinDroid is a thin client for the bitcoin daemon. This app will connect to an SSL-protected instance of the bitcoin daemon and interact with it using the JSON-RPC API. Currently only queries for status.