Packet Sender is a network utility for sending and receiving custom network packets across various protocols. Designed to be easy to use yet powerful enough for advanced users, it supports TCP, UDP, SSL (encrypted TCP), DTLS, and HTTP/HTTPS requests.
This is free and open source software.
Key Features
- Flexible Packet Sending & Receiving: Create, send, and listen for TCP, UDP, SSL, and DTLS packets on specific ports.
- HTTP/HTTPS Client: Built-in support for GET and POST requests with optional headers.
- Command-Line Interface: Automate packet tasks and integrate into testing workflows.
- Traffic Generation: Generate intense network traffic for stress-testing devices and services.
- Panel Generator & Cloud Sync: Build custom control panels and share packet sets via the Packet Sender Cloud service.
- IPv4/IPv6 Support: Works with both IPv4 and IPv6 addresses.
- Cross-Platform Desktop Support: Native builds for Linux, macOS, and Windows.
Typical Uses
- Network troubleshooting and device testing.
- Protocol development and debugging.
- Security research, including SSL/DTLS testing.
- Automation of network tasks via CLI or macros.
Website: github.com/dannagle/PacketSender
Support:
Developer: Dan Nagle
License: GNU General Public License v2.0

Packet Sender is written in C++. Learn C++ with our recommended free books and free tutorials.
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