Emulators for Server Operating Systems

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

  • Secure File Transfer for Windows with Cerberus by Redwood Icon
    Secure File Transfer for Windows with Cerberus by Redwood

    Protect and share files over FTP/S, SFTP, HTTPS and SCP with the #1 rated Windows file transfer server.

    Cerberus supports unlimited users and connections on a single IP, with built-in encryption, 2FA, and a browser-based web client — all deployable in under 15 minutes with a 25-day free trial.
    Try for Free
  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

    BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
    Try Free
  • 1
    Null-modem emulator

    Null-modem emulator

    The virtual serial port driver for Windows.

    The Null-modem emulator (com0com) is a kernel-mode virtual serial port driver for Windows. You can create an unlimited number of virtual COM port pairs and use any pair to connect one COM port based application to another. The HUB for communications (hub4com) allows to receive data and signals from one COM or TCP port, modify and send it to a number of other COM or TCP ports and vice versa.
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    Downloads: 4,062 This Week
    Last Update:
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  • 2
    VICE

    VICE

    Versatile Commodore Emulator

    VICE is an emulator collection which emulates the C64, the C64-DTV, the C128, the VIC20, practically all PET models, the PLUS4 and the CBM-II (aka C610). It runs on Unix, MS-DOS, Win32, OS/2, Acorn RISC OS, BeOS, QNX 6.x, Amiga, GP2X or Mac OS X machines.
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    Downloads: 2,562 This Week
    Last Update:
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  • 3
    VirtualBoxes - Free VirtualBox(R) Images

    VirtualBoxes - Free VirtualBox(R) Images

    Appliances of free/open source operating systems for VirtualBox

    We provide ready-to-use Oracle VM VirtualBox(R) images for open-source operating systems that can be used for testing and/or security-related purpose, or for anything you wish. News, HOWTOs and much more is available at the project web site. N.B. Newer OVAs are only available through BitTorrent: torrent links are published only on our website. Please search our database in http://virtualboxes.org/images/
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    Downloads: 185 This Week
    Last Update:
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  • 4
    Apple Disk Transfer ProDOS

    Apple Disk Transfer ProDOS

    Transfer disks and disk images between the Apple II and the real world

    Apple Disk Transfer ProDOS (ADTPro) transfers classic 8-bit Apple disk images over a serial, ethernet or audio link to a more modern computer. Based on the seminal ADT, ADTPro can transfer any ProDOS- or SOS-visible volume.
    Downloads: 12 This Week
    Last Update:
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  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Get Started Free
  • 5
    Hatari

    Hatari

    Hatari is an emulator for the Atari ST, STE, TT and Falcon computers

    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 https://www.hatari-emu.org/ now, but this site will stay for providing the historic releases before version 1.0.
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    Downloads: 36 This Week
    Last Update:
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  • 6
    Acorn Archimedes hardware emulator for Unix, Windows, Mac OS X, RISC OS, etc.
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    Downloads: 21 This Week
    Last Update:
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  • 7
    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler and Emulator

    z390 Portable Mainframe Assembler and Emulator
    Downloads: 6 This Week
    Last Update:
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  • 8
    vmdkutil is a utility to manage VMware sparse virtual disk files (.vmdk), creating, cloning, merging, etc.
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    Downloads: 18 This Week
    Last Update:
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  • 9
    The FreeDO project has MOVED to http://www.freedo.org, and is close to beta. An alpha is currently being internally tested. The project is no longer open-source. Please direct your browsers to http://www.freedo.org for the latest updates.
    Downloads: 9 This Week
    Last Update:
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  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

    Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

    Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
    Try Free
  • 10
    Sarien is a portable implementation of the Sierra On-Line Adventure Game Interpreter (AGI), and is able to run games such as Leisure Suit Larry in the Land of the Lounge Lizards and Space Quest I and II.
    Downloads: 2 This Week
    Last Update:
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  • 11
    GameBoy emulator (not GameBoy Color) for J2ME based on Mario GameBoy (TM) Emulator 0.2.4 by Carlos Hasan with good speed enhancements and many useful options. GPLv2 license.
    Downloads: 1 This Week
    Last Update:
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  • 12
    uae-archive

    uae-archive

    Archive of the Amiga emulator UAE

    Since I'm having a hard time of tracking down older versions of UAE, I'm going to upload everything I have for prosperity. And to further preserve the old versions, I'm slowly converting milestone releases to run on MinGW via SDL.
    Downloads: 2 This Week
    Last Update:
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  • 13
    A Win32 Mac OS emulator written in C (with some inline assembly). Emulation accuracy surpasses (nearly) all other known MAC emulators. Uses plugins for emulation of mac-specific hardware (mappers).
    Downloads: 1 This Week
    Last Update:
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  • 14
    Tech Support Scammer Fake Command Prompt

    Tech Support Scammer Fake Command Prompt

    Fake command prompt to fool tech support scammers

    For instructions on how to use, see this file: https://sourceforge.net/projects/techsupportcmd/files/How%20To%20Use.pdf/download This fake command prompt can be used instead of the real windows command prompt in order to waste the tech support scammers time. It is based upon the windows 7 command prompt, but is not noticeably different from the command prompt in most other windows versions. Many commands commonly used by scammers, such as tree, netstat and powercfg are emulated in this, but they provide results that the scammer would not be expecting, for example, the tree command draws an ASCII tree, while the powercfg command comes back with no errors, no warnings and no informational - every time, without fail. Commands not included all come back with the usual error as displayed for invalid commands in the real command prompt, however other commands can be added.
    Downloads: 1 This Week
    Last Update:
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  • 15
    <b><i>Powertools 4 Wisehackers</i> - A set of tools that will make the life of all hackers easier.</b>
    Downloads: 1 This Week
    Last Update:
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  • 16
    AFROS-update

    AFROS-update

    Scripted and Zipped updates to AFROS 8.12 Live CD

    AFROS-Update cover two aspects. 1. Installable update to the ARAnyM based AFROS LiveCD distribution <strike>2. Downloadable binaries of ARAnyM for PCLinuxOS and other Mandriva based distributions</strike> 3. Bootable Raspberry Pi image with ARAnyM and m68k-cross-tools
    Downloads: 0 This Week
    Last Update:
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  • 17
    Thanks to carefully thought out architecture an emulator for all hardware (i386 i860 sparc hppa SGI Mips Alpha etc) on any hardware. A lot of new theories have gone into this trying to fix old problems.
    Downloads: 0 This Week
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  • 18
    An Apple ][, ][+, ][e, //c emulator written in portable C++. Should run on any computer. The 6502 emulator is written as an interface to be fully reusable.
    Downloads: 0 This Week
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  • 19
    BMDFM

    BMDFM

    Binary Modular DataFlow Machine (BMDFM)

    Binary Modular DataFlow Machine (BMDFM) is a software package that enables running an application in parallel on shared memory symmetric multiprocessing (SMP) computers using the multiple processors to speed up the execution of single applications. BMDFM automatically identifies and exploits parallelism due to the static and mainly dynamic scheduling of the dataflow instruction sequences derived from the formerly sequential program. The BMDFM dynamic scheduling subsystem performs a symmetric multiprocessing (SMP) emulation of a tagged-token dataflow machine to provide the transparent dataflow semantics for the applications. No directives for parallel execution are needed. More info: http://www.bmdfm.com
    Downloads: 0 This Week
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  • 20
    DCGenerator or DCGen is a port of the Sega Genesis emulator, Generator, to the Sega Dreamcast. The port was originally made by Atani and then continued with permission.
    Downloads: 0 This Week
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  • 21
    This program can use some of ZX Spectum emulator files (.sna, .z80, .tap, .tzx) on real ZX Spectrum with IDE interface. It reads these files from ISO9660 filesystem. Snapshots are directly loaded and runned, tap/tzx files are emulated like standard t
    Downloads: 0 This Week
    Last Update:
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  • 22

    EM-65C02

    A 65C02 Emulator for Microchip PIC24/33

    EM-65C02 emulates a Western Design Centre (WDC) 65C02 microprocessor on a Microchip PIC24/33 microcontroller. The code supports varying amounts of RAM and ROM depending on the features of the host device. The emulation speed depends on the device and its oscillator configuration. A PIC24EP running at 70MIPS has emulates a 65C02 running at about 6Mhz. The example code configuration uses a copy of the BBC BASIC ROM image and a simulation of enough of the Acorn MOS to make the BASIC work using a serial UART connection.
    Downloads: 0 This Week
    Last Update:
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  • 23
    EMUFE (Extensible, Multi-emUlator Front End) This is a Front end system for any emulator. This front end runs in full-screen Kiosk tmode rather than a GUI. It was designed to run cleanly from CD-Roms (both LiveCDs and ordinary CDs)
    Downloads: 0 This Week
    Last Update:
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  • 24
    Frodo is a free, portable Commodore 64 emulator that runs on a variety of desktop operating systems and mobile platforms.
    Downloads: 0 This Week
    Last Update:
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  • 25
    A complete emulator for TI calculators, and in the future advanced debugging abilities for the serious calculator programmer, and possibly HP calculator support, All in a cross-platform, highly portable codebase.
    Downloads: 0 This Week
    Last Update:
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