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PingTest Graph is a user-friendly ping monitoring application that tracks ping test results in real-time on a graph. It is lightweight and highly efficient.

UCCDraw Flow Component is an ActiveX control for creating and editing Visio-style charts within applications. It has full features of Visio 12 and allows building Visio 2003/Visio 12-like apps using Visual Basic and Delphi.

UCanCode.Net's E-XD++ Visualization HMI ToolKit is a C++ class framework that offers a drawing surface for diagramming, symbol manipulation, scrolling, zooming, and other graphic features for software applications.

UCCDraw ActiveX Control enables easy creation and editing of Visio-style charts within your application. It supports the creation of flow charts, vector drawings, and raster images, and also allows for inclusion of hyperlinks.

This software extracts graph data from scanned images or available images. It enables users to define axis locations, select points, scan curves, and save the data to Excel or a file.

MoneyThumb's Portfolio Tracker Pro is an investment tool that helps improve returns. It features quick graph creation, ROI calculation, advanced rebalancing calculator, multi-portfolio creation, and performance comparison.

GraphSketcher is a graphics designer editor that claims to support curved paths but the feature was difficult to use. It is geared towards professional use.

DigitizeIt is a software that digitizes (x,y) data by automatically reading scanned graphs. The software transforms data values to a set axes system and can save it in ASCII format, making it suitable for other applications. It can read several image formats such as gif, png, tiff, bmp.