Open TFTP Server

Open TFTP Server for Windows

  • Free
  • In English
  • Version: 1.66

Run different processing threads with this app

Open TFTP Server is a free multi-threaded utility app that allows users to run various processing threads simultaneously. With this, you can keep track of simultaneous instances of TFTP devices. This freeware also allows managing of PXEBOOT, firmware management, and more. It runs as a service or daemon, depending on if you run Windows or Unix. It also comes loaded with handy features that make it very useful in factory and automation environments. 

What does the app do?

If you are a network admin, you may probably come across the technology called TFTP. TFTP—or Trivia File Transfer Protocol—is a simple high-level protocol for transferring data servers use to boot routers, X-terminals, and diskless workstations by using User Data Protocol (UDP). It works differently than FTP (File Transfer Protocol) and HTTP (HyperText Transfer Protocol) since it uses UDP, which is not secure. However, it is a multi-purpose protocol that can be used for an array of different tasks. 

As noted, Open TFTP Server lets you run many different processing threads at once. With this, you can keep track of simultaneous instances of TFTP devices at the same time. More than that, it comes with numerous functions, including changeable port ranges and thread pools. It also supports almost every industry-standard feature, covering firmware load, total size, PXE Boot, block size, interval time, and block number rollover for large files.

Additionally, the app has extensive logging and historical logging capabilities, which will come in handy for forecasting and in-depth analysis. This software uses extremely small system resources and leaves a very small footprint, which makes it useful for any administrator concerned with resource overutilization. 

Useful TFTP Server

Overall, Open TFTP Server is a very useful tool to keep track of concurrent instances of TFTP devices. The app is especially well-suited to automation and factory environments, where you have to maintain configuration files for old equipment. It has minimal resource requirements and has configurable settings. As a free tool, it is highly functional and easy to use. However, it is not ideal for business use.


  • Well-suited for automation and factory environments
  • Minimal resource needed
  • Highly functional
  • Easy to use


  • Not suitable for business use


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