There is a wealth of information about Ionomy from the official channels and the community too, find below a constantly updated list.
If you are not on this list but would like to be added contact @krumz or @stormy on the http://ionomy.slack channel or email firstname.lastname@example.org
ionnode is a site run by ionomy community members that allow users to buy a share of a masternode. The purpose of the project is to help people who do not have the ions, time, or technical knowledge to make their own masternode, but still want great rewards.
BillingServ is a Online Billing Platform hosted in the cloud that provides hosting companies & small businesses with increased ease of billing, lower costs, and increase stability. Customers can pay invoices with IONs and IONs can be used to pay for an expanding lineup of BillingServ products.