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

  • Zenflow- The AI Workflow Engine for Software Devs Icon
    Zenflow- The AI Workflow Engine for Software Devs

    Parallel agents. Multi-agent orchestration. Specs that turn into shipped code. Zenflow automates planning, coding, testing, and verification.

    Zenflow is the AI workflow engine built for real teams. Parallel agents plan, code, test, and verify in one workflow. With spec-driven development and deep context, Zenflow turns requirements into production-ready output so teams ship faster and stay in flow.
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    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • 1
    ASAP - Another Slight Atari Player
    ASAP (Another Slight Atari Player) plays and converts 8-bit Atari music (*.sap, *.cmc, *.mpt, *.rmt, *.tmc, ...) on modern computers and mobile devices.
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    Downloads: 166 This Week
    Last Update:
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  • 2
    Java SID Player Music Library V2
    This is a Commodore 64 emulator specialized for sound reproduction. It is also a SID player for music collections like HVSC and CGSC. It is a full C64 emulator and can play games of the GameBase64 project as well.
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    Downloads: 23 This Week
    Last Update:
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  • 3
    Emutils

    Emutils

    Search and manage batches of D64/etc files.

    Emutils are a collection of utilities for dealing with files which are in formats most commonly used by Commodore 64 emulators (D64, D71, D81, etc). These include search tools, extractors, converters, archive tools, etc. especially for batch operations.
    Downloads: 0 This Week
    Last Update:
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  • 4

    JsDOSBox

    JavaScript PC DOS Emulator

    JsDOSBox is a JavaScript port of jDosbox (https://sourceforge.net/projects/jdosbox/) which is itself a port of DOSBox (http://www.sourceforge.net/projects/dosbox). Demonstration of JsDOSBox at http://jsdosbox.sourceforge.net Running a game demo at http://jsdosbox.appspot.com (Chrome recommended). And running DOS demos at http://retropcdemos.appspot.com. See website link below for details on recent changes and instructions. http://sourceforge.net/p/jsdosbox/home/Home/
    Downloads: 0 This Week
    Last Update:
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 5
    PC Emulator that runs inside a JavaScript environment. Demonstration can be seen booting FreeDOS at http://pc-emulator.appspot.com (useful for running old DOS shareware games) and graphical Linux at http://linuxjsemu.appspot.com/ (rather slowly). Runs best in Chrome browser. See my other JavaScript PC emulator project at http://sourceforge.net/projects/jsdosbox (faster, also includes a dynarec and sound)
    Downloads: 0 This Week
    Last Update:
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  • 6
    This project aims to provide a common building block for projects such as ADEFU, SEA and VISUAL and other scada projects so that they have a common interface to the PLC\'s they communicate with. PLC\'s are Programmable Logic Controllers built to
    Downloads: 0 This Week
    Last Update:
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  • 7
    Unreal Speccy portable

    Unreal Speccy portable

    Portable ZX-Spectrum emulator based on UnrealSpeccy 0.37.3 by SMT

    Portable ZX-Spectrum emulator supports Z80 128K (Pentagon) AY/YM, Beeper, Beta Disk, Tape, Kempston Joystick/Mouse, Snapshots, Replays. Supported formats: sna, z80, szx, rzx, tap, tzx, csw, trd, scl, fdi, zip. Created to be ported to many platforms such as Windows/Linux/Mac/Symbian/Dingoo A320/Android/iOS/PSP/Raspberry Pi, ...
    Downloads: 0 This Week
    Last Update:
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