Open Source Packet Editor

Open Source Packet Editor (OSPE) is a tool for listening and editing network traffic. It is designed to be as usable as possible for developers and security researchers, and offers a wide range of features including:

- Eavesdropping on network traffic within a specified process

- Injecting custom DLLs into target processes

- Setting up hooks to execute arbitrary code, stopping programs or modifying data

- Creating filters to capture specific network packets

- Modifying data in network packets

- Setting up hot keys for easier program control

- Displaying data in hexadecimal or ASCII format

OSPE is a tool that can be used for a wide variety of tasks, including:

- Debugging network applications

- Detecting and analyzing network attacks

- Developing network security tools

OSPE is an open-source tool that is available for free.

Here are some more details about OSPE:

- OSPE is written in C# and C++.

- OSPE is portable and can run on any operating system that supports the .NET Framework.