System Administration Apps

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Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc. Zenmap aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users.
- Network Monitor
- Free • Open Source
- Mac
- Windows
- Linux
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Python is an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported.
- Programming Language
- Free • Open Source
- Mac
- Windows
- Linux
- Symbian S60
- BSD
- AROS
- Haiku
- AmigaOS
- OpenSolaris
- MorphOS
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A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware.
- Process Monitoring Tool
- Free • Open Source
- Windows
- PortableApps.com
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Arch Linux is an independently developed, x86_64 optimized GNU/Linux distribution targeted at competent Linux users. It uses pacman, its home-grown package manager, to provide updates to the latest software applications with full dependency tracking.
- Linux Distro
- Free • Open Source
- Linux
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Nmap ("Network Mapper") is a free and open source (license) utility for network exploration or security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or...
- IP Scanner
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
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Manjaro is a user-friendly Linux distribution based on the independently developed Arch operating system. Within the Linux community, Arch itself is renowned for being an exceptionally fast, powerful, and lightweight distribution that provides access to the very latest cutting...
- Linux Distro
- Free • Open Source
- Linux
- Arch Linux
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Rufus is a utility that helps format and create bootable USB flash drives, such as USB keys/pendrives, memory sticks, etc.
- Bootable USB Creator
- Free • Open Source
- Windows
- PortableApps.com
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Glances is a cross-platform monitoring tool which aims to present a large amount of monitoring information through a curses or Web based interface. The information dynamically adapts depending on the size of the user interface.
- Process Monitoring Tool
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
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aptitude is a terminal-based frontend for Advanced Package Tool with a number of useful features, including: a mutt-like syntax for matching packages in a flexible manner, dselect-like persistence of user actions, the ability to retrieve and...
- Package Manager
- Free • Open Source
- Linux
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Proxmox Virtual Environment is a complete and easy to use Open Source virtualization platform for running Virtual Appliances and Virtual Machines. Proxmox VE tightly integrates KVM hypervisor and LXC containers, software-defined storage and networking functionality on a single...
- Virtualization Tool
- Freemium • Open Source
- Windows
- Linux
- Android
- Android Tablet
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SuperPutty is a Windows GUI Application that allows the PuTTY SSH Client to be opened in Tabs. Additionally there is support for SCP to transfer files.
- Terminal Emulator
- Free • Open Source
- Windows
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Advanced Port Scanner is a fast and free software for port scanning. It will allow you to quickly find all open ports (TCP and UDP) and detect versions of programs running on them. The utility includes many features simplifying network management.
- IP Scanner
- Free • Proprietary
- Windows
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Radmin (Remote Administrator) is the popular, award winning secure remote control software which enables you to work on a remote computer in real time as if you were using its own keyboard and mouse. You can remotely access the same computer from multiple places and use advanced...
- Remote Desktop Tool
- Paid • Proprietary
- Windows
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A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
- File Manager
- Freemium • Open Source
- Mac
- Windows
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Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It is the de facto (and often de jure) standard across many industries and educational institutions.
- Network Analyzer
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Snapcraft
- Flathub
- Homebrew
- Chocolatey
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The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian.
- Linux Distro
- Free • Open Source
- Windows
- Linux
- BSD
- Self-Hosted
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VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as...
- Virtualization Tool
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Oracle Solaris
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Bulk Crap Uninstaller (in short BCUninstaller or BCU) is a free (as in speech and beer) bulk program uninstaller with advanced automation. It excels at removing large amounts of applications with minimal to no user input, while requiring next to no technical knowledge.
- Software Uninstaller
- Free • Open Source
- Windows
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htop is an interactive process viewer for Linux. It is a text-mode application (for console or X terminals) and requires ncurses. htop is an interactive top replacement that runs in the terminal. The available columns are: PID, STATE, PPID, PGRP, SESSION, TTY_NR, TPGID, MINFLT...
- Process Monitoring Tool
- Free • Open Source
- Mac
- Linux
- BSD
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GNU Midnight Commander is a visual file manager, licensed under GNU General Public License and therefore qualifies as Free Software. Its a feature rich full-screen text mode application that allows you to copy, move and delete files and whole directory trees, search for files...
- File Manager
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Cygwin
- MacPorts
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A versatile client for SFTP, FTP, and other protocols for file transfer. It offers GUI choice, and supports automation and key authentication.
- File Manager
- Free • Open Source
- Windows
- PortableApps.com
- Wine