Description: iOffer is an online marketplace that allows buyers and sellers to negotiate prices directly. It focuses on collectibles, crafts, and antiques. Sellers list items and buyers make offers or buy at listed prices.
Type: software
Description: Wolfram Alpha is a computational knowledge engine that allows users to get instant expert-level answers to questions on math, science, and many other topics by typing queries in plain language. It understands and computes answers across many domains.
Type: software