Socket.io - Realtime application framework (Node.JS server)
Digit - SMS bot that monitors your bank account & saves you money
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Quicken - Stay in control of your monthly cash flows, budgets, and expenditures. Quicken provides a navigable interface where you can organize your debit, credit, and savings, and build good habits accordingly.
SignalR - SignalR is a server-side software system designed for writing scalable Internet applications, notably web servers.
Money Manager Ex - Money Manager Ex is a free, open-source, cross-platform, easy-to-use personal finance software.