What are some alternatives?
When comparing PingPlotter and Ostinato, you can also consider the following products
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
packeth - packeth is GUI and CLI packet generator tool for ethernet.
Beyond Compare - Beyond Compare allows you to compare files and folders.
Scapy - Scapy is a powerful interactive packet manipulation program.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
JPerf - This project gives a better UI and new functionalities to the initial JPerf 1.