Colasoft Products
Capsa 7.1 Network Analyzer (NEW UPDATE) 
Whether you're a network administrator who needs to identify, diagnose, and solve network problems, a company manager who wants to monitor user activities on the network and ensure that the corporation's communications assets are safe, or a consultant who has to quickly solve network problems for clients, Capsa is the tool you need.
Colasoft MAC Scanner Pro 
How many computers are there in my network? What is the correlation between MAC addresses and IP addresses? Who is using which computer? If you are still looking for the answers to these questions, Colasoft MAC Scanner is absolutely the answer finder you need.
Free Network Tools
Colasoft MAC Scanner 
Colasoft MAC Scanner is a scan tool using to scan IP address and MAC address. It can automatically detect all subnets according to the IP addresses configured on multiple NICs of a machine and scan the MAC addresses and IP addresses of defined subnets as your need. Users can custom own scan process by specifying the subsequent threads.
Colasoft Ping Tool 
Colasoft Ping Tool is powerful in supporting to ping multiple IP addresses simultaneously and comparing response time in a graphic chart. Users can view historical charts and save the charts to a *.bmp file. With this build-in tool, users are able to ping the IP addresses of captured packets in a protocol analyzer (e.g. Colasoft Capsa) conveniently, including resource IP, destination IP or both.
Colasoft Packet Builder
Colasoft Packet Builder enables creating custom network packets; users can use this tool to check their network protection against attacks and intruders.Colasoft Packet Builder includes a very powerful editing feature. Besides common HEX editing raw data, it features a Decoding Editor allowing users to edit specific protocol field values much easier.
Colasoft Packet Player
Colasoft Packet Player is a packet replayer which allows users to open captured packet trace files and play them back in the network. It supports many packet trace file formats created by sniffer softwares such as Colasoft Capsa, Ethereal, Network General Sniffer and WildPackets EtherPeek/OmniPeek, etc.












