Nagios is a host and service monitor designed to inform you of network problems before your clients, end-users or managers do. It has been designed to run under the Linux operating system, but works fine under most *NIX variants as well.
Sniffing Problems A Mile Away
Same developers, same code, different name. The Ethereal network protocol analyzer has changed its name to Wireshark.
Wireshark’s powerful features make it the tool of choice for network troubleshooting, protocol development, and education worldwide.
Wireshark was written by an international group of networking experts, and is an example of the power of open source. It runs on Windows, Linux, UNIX, and other platforms.
TeamViewer establishes connections to any PC all around the world within just a few seconds. You can remote control your partner’s PC as if you were sitting in right front of it. Find out why more than 4,000,000 users trust TeamViewer.
Manage Everything IT… for Free! Spiceworks is the complete network management software, helpdesk, PC inventory tools & IT reporting solution designed to manage everything IT in small & medium businesses.
Hamachi creates a virtual local area network (LAN) between two or more computers around the internet.
A networking technology enabling any two computers on the Internet to talk directly to each other.
Hamachi will allow you to establish secure direct connections to PCs that are not accessible otherwise due to the restrictions in network setup.
SoftPerfect Network Scanner is a free multi-threaded IP, NetBIOS and SNMP scanner with a modern interface and several advanced features. It is intended for both system administrators and general users who are interested in computer security. The program pings computers, scans for listening TCP ports and displays which types of resources are shared on the network (including system and hidden).
TeamViewer is without doubt one of the most popular remote access and support applications. Part of the software’s success stems from the fact that it is free for personal use and portable if needed. Nothing beats installing TeamViewer on family or friend computer systems to save time fixing computer problems.
TeamViewer 7 is now available for Windows, Mac and mobile operating systems such as Android or Apple’s iOS. The Linux download page lists version 6 as the latest.
