mindpowered 

Internal Communication Bus

Online auctions with ascending price and time limit

Persistence

Tools for working with IP4/IP6 IP Addresses including IPv4, IPv6, CIDR, and Subnet Masks

Car Loan Auto Loan Payment Calculator - Calculate financing on a new car including trade-in and taxes

Converter to convert between various color systems such as RGB, CIELAB, CMYK, HEX, RGB, and XYZ

Create, edit, and track invoices as part of your app

Reserved/Allocated/Assigned Seating for Venues and Events

Shopping Cart for Online Shopping

Calculator for electrical wiring and circuits

Financial calculations such as Net Present Value, Present Value, Future Value