Browse free open source System software and projects for Server Operating Systems and NetBSD below. Use the toggles on the left to filter open source System software by OS, license, language, programming language, and project status.

  • Migrate to innovate with Red Hat Enterprise Linux on Azure Icon
    Migrate to innovate with Red Hat Enterprise Linux on Azure

    Streamline your IT modernization journey with a holistic environment running Red Hat Enterprise Linux on Azure.

    With Red Hat Enterprise Linux on Azure, businesses can confidently modernize their IT environment, knowing they don’t have to compromise on security, scalability, reliability, and ease of management. Securely accelerate innovation and unlock a competitive edge with enterprise-grade modern cloud infrastructure.
  • ThermoGrid Contractor Management Software Icon
    ThermoGrid Contractor Management Software

    ThermoGrid is a specialized contractor management software tool for managing field service operations

    Nail down how you manage your day-to-day and level up your services. Whether you are a plumber, electrician, or HVAC technician, ThermoGrid brings together all areas of your business so you can get the job done right.
  • 1

    S.M.A.R.T. Monitoring Tools

    Disk Inspection and Monitoring

    smartmontools contains utility programs (smartctl, smartd) to control/monitor storage systems using the Self-Monitoring, Analysis and Reporting Technology System (S.M.A.R.T.) built into most modern ATA and SCSI disks. It is derived from smartsuite.
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    Downloads: 29,920 This Week
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  • 2
    Pandora FMS: Flexible Monitoring System

    Pandora FMS: Flexible Monitoring System

    Open Source Monitoring System for performance and availability.

    Pandora FMS is an enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes. It uniquely enables business and IT to adapt to changing needs through a flexible and rapid approach to IT and business deployment. Pandora FMS consolidates all the needs of modern monitoring (ITOM, APM, BAM) and provides status and performance metrics from different operating systems, cloud, virtual infrastructure (VMware, Hyper-V, XEN), Docker containers, applications, storage and hardware devices such as firewalls, proxies, databases, web servers or routers. It's highly scalable (up to 2000 nodes with one single server), 100% web and with multi-tenant capabilities. It has a very flexible ACL system and several different graphical reports and user-defined control screens.
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    Downloads: 4,069 This Week
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  • 3
    The Heirloom Project provides standard Unix utilities.
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    Downloads: 1,032 This Week
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  • 4

    empty

    Run applications under pseudo-terminal (PTY) sessions

    empty - run applications under pseudo-terminal (PTY) sessions to dialogue with interactive programs. Replace TCL/Expect with a simple tool and use your favorite shell (sh, bash, csh, tcsh, ksh, zsh, etc)
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    Downloads: 140 This Week
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  • Finance Automation that puts you in charge Icon
    Finance Automation that puts you in charge

    Tipalti delivers smart payables that elevate modern business.

    Our robust pre-built connectors and our no-code, drag-and-drop interface makes it easy and fast to automatically sync vendors, invoices, and invoice payment data between Tipalti and your ERP or accounting software.
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    Ganglia

    Scalable, distributed monitoring system for high-performance computing

    Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters. Supports clusters up to 2000 nodes in size.
    Downloads: 58 This Week
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  • 6
    BGINFO4X - BGINFO for X and for Windows!

    BGINFO4X - BGINFO for X and for Windows!

    Shows desktop information on your screen

    BGINFO for X, also called BGINFO4X, is a clone of the popular program BGINFO for Microsoft Windows created by Sysinternals. BGINFO4X is designed for pretty print useful information (CPU model, Hostname, IP address, OS version, Office version, and much more ...) on your desktop background or wallpaper. See the screenshots to see BGINFO4X in action. BGINFO4X is Multi Platform (Windows, MacOSX, Linux, BSD). BGINFO4X is Highly Customizable. BGINFO4X is Open Source. BGINFO4X comes with lots of Features. See the main Features below on this page. Find more information in http://sourceforge.net/p/bginfo4x/wiki/BGINFO4X/
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    Downloads: 41 This Week
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  • 7
    Munin
    Master/node to gather and graph "everything" on your systems using Tobi Oetiker's rrdtool. It can optionally warn your surveillance software. This software package was originally called LRRD. The project. Please see http://munin-monitoring.org/
    Downloads: 17 This Week
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  • 8
    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler and Emulator

    z390 Portable Mainframe Assembler and Emulator
    Downloads: 15 This Week
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  • 9
    libivykis is a thin wrapper over various OS'es implementation of I/O readiness notification facilities (such as poll(2), kqueue(2)) and is mainly intended for writing portable high-performance network servers.
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    Downloads: 16 This Week
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  • Cloud Native API Management Icon
    Cloud Native API Management

    For enterprises with large and distributed development teams seeking to rapidly build API-first applications.

    Tyk is a leading Open Source API Gateway and Management Platform, featuring an API gateway, analytics, developer portal and dashboard. We power billions of transactions for thousands of innovative organisations.
  • 10
    Hatari is a cycle-accurate Atari ST emulator for Linux and other systems that are supported by the SDL library. The project has been moved to http://hatari.tuxfamily.org/ now, but this site will stay for providing the historic releases before version 1.0.
    Downloads: 6 This Week
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  • 11
    Embedded PowerPC Bootloader Project, especially for Embedded PowerPC boards. The code for this project is frozen. Development continues with the "U-Boot" project (Universal Boot Loader, see http://sourceforge.net/projects/u-boot ).
    Downloads: 2 This Week
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  • 12
    ( pro ping )pinger network alert monitor

    ( pro ping )pinger network alert monitor

    Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY

    Thank you for your DONATIONS for Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY. Look on the tab files, select and download the version of the operating system that you need of this slight textual code that requires no system update. Network monitoring analyzer, network scanner with ping, traceroute and beeper alert and warning mail sender. Capable of scanning IP INFINIT, automatic detection of the source of network interruptions without GUI interface configurations. More, it is designed for the computer technician who carries a powerful tool in the USB key. In addition, an audible alarm warns you via Telnet or SSH terminal, a log files recorded can be used to convey specific information to the system administrator. It is comes with a configurable for warning by email. lightweight code, coming with the source files, written in C, Email warning sender, ANDROID ping, SPARC, AMD64, traceroute, DETECT SOURCE Downs, Warning by Email, C language
    Downloads: 1 This Week
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  • 13
    The program implements a demo application which demonstrates using C++ stream-compatible sockets developed by Maciej Sobczak http://www.msobczak.com/
    Downloads: 1 This Week
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  • 14
    The Application Server Development Library is a generic component modules library for application server/services & software development on the Windows & Linux & BSD platforms. It can be used for rapid developing network application and generic software.
    Downloads: 0 This Week
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  • 15
    OpenVPN

    OpenVPN

    Robust and flexible VPN network tunnelling

    OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port. Discussion forums and project wiki can be found here: https://forums.openvpn.net/ http://community.openvpn.net/openvpn
    Downloads: 0 This Week
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  • 16
    Pace-ICMP is a utility that can allow X amount of ICMP (ping, etc) packets travel to the host, once X is exceeded, all ICMP traffic is blocked. This allows ping and traceroute functionality, while still protecting you against ICMP attacks.
    Downloads: 0 This Week
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  • 17

    Pofig

    Portable Figure Out system properties

    pofig - portable shell script for probing base system properties: OS, OS version, kernel version, distro, distro version, architecture. It detects: 19 operating systems, 11 major linux distros, 13 CPU types. See wiki for more information and examples.
    Downloads: 0 This Week
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  • 18
    Simple script of backup using tar for *NIX systems and written in bash, very easy to suit whatever backup policy, using complete, incremental or parcial backups. It has some features for esample mail notification, index of files, error notices, etc.
    Downloads: 0 This Week
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  • 19
    Squeezer is a multi-dimensional logfile analyzer for Squid web cache server. It measures transfer speed from Squid, source servers and other caches and gives an information useful for tuning Squid and web cache hierarchy or mesh.
    Downloads: 0 This Week
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  • 20

    Symantec Netbackup Monitoring Tool

    Monitoring backup jobs tool for Symantec NetBackup

    Monitoring tool for Symantec Netbackup backup software, written in Perl with Curses. Press "h" to see all available options. If you have any ideas or suggestions just email me.
    Downloads: 0 This Week
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  • 21
    antigift

    antigift

    antigift is simple cross-platform, files & folders encryption tool

    antigift could be used for encryption files & folders on USB-flash or HDD partition. Works on Linux (including Android), Windows, Mac OS X, FreeBSD, DragonFly BSD and other on OSes. Do not required installation. Include WIPE tool for wiping free space and tool for recovery forgotten key. See documentation at http://sourceforge.net/p/antigift/wiki/Home/ antigift простой и кросс-платформенный инструмент для шифрования файлов и папок(с ccrypt в качестве основы) Подробности см. на страничке с русской документацией http://sourceforge.net/p/antigift/wiki/rus/
    Downloads: 0 This Week
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  • 22

    casefix

    a small set of casing tools for use by all

    The primary part of the casefix project is a small c library of case editing functions, the heart of which is 7 streaming case editors. Also, there are 3 functions that interface char arrays and strings to the streaming editors. So the library can modify the casing of any character, character block (word), any character string, character array, or any character stream. Currently, libcasefix only handles 7 or 8 bit character sets with some support for UTF-8. With that in mind casefix does support a number of character sets for internationalization. Also, there is a casefix command that implements the functionality of the casefix library for use at the command line.
    Downloads: 0 This Week
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  • 23

    cmdok

    Command validation tool

    cmdok checks that specified commands are OK. If command is OK than it exists in PATH and can be run. It is a simple, small and portable Bash script. It is useful in software packages that want to check that some commands exist before trying to run them. See wiki for more information and examples.
    Downloads: 0 This Week
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  • 24
    fs-check checks filesystem sizes to see if they are getting too full. It uses a configuration file that specifies the filesystems to check, email contacts, trigger thresholds (percentage or amount used/unused), and a report program to run.
    Downloads: 0 This Week
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  • 25
    metahelper is a utility which makes creating and maintaining upgradeable, removable, and verifiable configuration "metapackages" easy. A metapackage works with files owned by other packages to customize and configure them specifically for your environmen
    Downloads: 0 This Week
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