Colasoft Packet Builder is described as 'Colasoft Packet builder is a network packet crafter, packet generator or packet editor that network professionals use to build (or craft) all types of custom network packets, such as ARP, TCP and UDP, etc' and is an app. There are 1 alternatives to Colasoft Packet Builder for Windows, Linux and BSD. The best Colasoft Packet Builder alternative is Nemesis, which is both free and Open Source.
Nemesis is a command-line network packet crafting and injection utility for UNIX-like and Windows systems. Nemesis, is well suited for testing Network Intrusion Detection Systems, firewalls, IP stacks and a variety of other tasks.
