Free network analyzers & network tools
Capsa Free is a must-have freeware network analyzer and packet sniffer for Ethernet monitoring, troubleshooting and analysis. Capsa Free is a perfect choice for students, teachers and computer geeks to learn protocols and networking technology knowledge. The Capsa Free freeware application by Colasoft is one of the most popular free packet sniffer products available.
Colasoft MAC Scanner freeware is a professional grade, easy-to-use mac and IP scanner for windows users. By multi-thread scanning of your local network and gathering a list of the MAC addresses with corresponding IP addresses, the Colasoft Mac Scanner makes network administrators work more efficient.
Colasoft Ping Tool is one of the more popular free network tools provided by Colasoft. The Colasoft Ping Tool freeware supports the ability to ping multiple IP addresses simultaneously and list the comparative responding times in a graphic chart. This feature makes the Colasoft Ping Tool, outstanding when compared to other ping tools.
Colasoft Packet Builder is freeware which provides the ability to create custom network packets. Users can use this free tool to check their network protection against attacks and intruders. The Colasoft Packet Builder includes a very powerful editing feature. Besides common HEX editing of raw data, the free Colasoft Packet Builder features a Decoding Editor allowing users to edit specific protocol field values much easier.
Colasoft Packet Player is a packet re-player which allows users to open captured packet trace files and play them back in the network. This freeware supports many packet trace file formats created by packet sniffer software such as Colasoft Capsa, Ethereal, Network General Sniffer and WildPackets EtherPeek and WildPackets OmniPeek.