SparkFin - Learn the markets for free, profit forever.
inFlow Inventory - inFlow Inventory is inventory management software for small businesses.
Richie Invest - An app that lets you invest with your friends
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.
Rally Rd. - Invest in blue-chip classic cars like stocks
Skyware Inventory - Web-based Inventory Management.