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Mobile version of the popular VoIP client for almost all standard mobile devices. As well as the version for iPhone and iPad, it’s available for Android and PSP. Windows Mobile is no longer supported.

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Measures the performance of NAS (Network Attached Storage) in the home network. End of life and no longer supported.

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CardDAV client for Android smartphones. Blends seamlessly into the standard contact application due to its implementation as sync adapter. Also available as a free version, which doesn’t synchronise all possible fields.

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Network intrusion prevention system. Detects intruders on the computer.

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NetBIOS, SNMP and TCP/IP scanner for network administrators. Checks the availability of host computers and displays file types being exchanged on the network. Supports Wake On LAN and remote shutdown of computers in the network.

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Simple server for the Trivial File Transfer Protocol (TFTP). Fast and secure download from The H

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Reads and analyses packages on encrypted WiFi networks and tries to crack the WEP key of packages with weak initialisation vectors. The program has had no development since 2004. Fast and secure download from The H

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Enables a Windows 2003 or Windows XP server to allow up to 21 remote desktop sessions over the internet. The download requires the user to enter a valid email address.

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This development of the discontinued Ethereal project logs and analyses data traffic on the network. Includes the required WinPCap. Portable version also available. Fast and secure download from The H

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Displays the download and upload speeds of a network connection in the Windows Taskbar. In addition to a tooltip displaying an overview of traffic, NetSpeedMonitor produces daily and monthly statistics. Fast and secure download from The H

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For real-time monitoring of network environments, with automatic recording of configurations and operating systems, creation of reports and graphical statistics. Also provides an overview of the network as a tree structure.

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Linux-based groupware server for email, calendar and messaging functions. Includes an interface to Outlook and also supports email for BlackBerry and Palm Treo devices. Can also be purchased as an Enterprise edition, for which support is provided.

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This ping tool can monitor up to ten web servers at the same time and log the results.

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Saves and restores MySQL databases of any size. Can perform multi-part backups, avoids PHP timeouts when large data volumes are involved, automatically deletes time-expired backups and reports when a backup has been created. Also allows you to manage several MySQL servers and users. Fast and secure download from The H

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Switches between different proxy configs after one-time configuration; the user can enter conditions so that, when these are met, the program automatically loads certain configurations, for example, after plugging in a network cable, or discovering a WLAN connection; suitable for Internet Explorer and Firefox. Fast and secure download from The H

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Manages Microsoft-Exchange entries in Active Directory. Assigns user rights for mailboxes and supports the editing of user attributes. Enables searching for users and filtering.

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File server (for both file-based Network Attached Storage and block-based Storage Area Networking) based on the Linux-2.6 kernel. Supports the CIFS, NFS, WebDAV, FTP and iSCSI protocols. Controlled using a web browser.

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Provides network administrators with a complete open-source-based thin client solution. Includes Java-based server system, client operating system and administrative program. Fast and secure download from The H

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Unified Threat Management solution for companies to protect their network, web interface and email. Secures the network against denial of service attacks, port scans, worms, trojans, botnets, program exploits and more. Also provides secure remote access via IPsec or SSL VPN clients for members of staff who work out of the office, and filters all email data traffic.

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Linux-based alternative to Exchange that allows the shared use of Outlook data such as emails, the calendar or contacts via Outlook or WebAccess. Provides improved security by storing its data centrally and by the implementation of native MAPI. In addition to the free Community version, Standard, Professional and Enterprise versions are available.

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