Graph.tk vs Refills
A side-by-side look at Graph.tk and Refills. For an in-depth review of either product, follow the links below.
Graph.tk
Development
Graph.tk is a free online graph and diagram creation tool that allows users to easily create flowcharts, uml diagrams, network diagrams, mockups, floor plans, and more. It has an intuitive drag and drop interface with various templates and shapes.
flowchartumlnetwork-diagrammockupfloor-plan
Refills
Online Services
Refills is a browser extension that automatically finds and applies coupon codes when you checkout online. It seamlessly applies any valid coupons in the background to save you time and money.
coupondiscountshoppingecommercebrowser-extension
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