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

  • Our Free Plans just got better! | Auth0 Icon
    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.

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  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
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  • 1
    Prism Launcher

    Prism Launcher

    Custom launcher for Minecraft to easily manage installations

    An Open Source Minecraft launcher with the ability to manage multiple instances, accounts, and mods. Focused on user freedom and free redistributability. Install and launch modpacks easily, while keeping them clean. No longer do you need to manually install them, and easily update mod packs, Prism Launcher can do these tasks for you, without installing tons of separate launchers. Prism Launcher is able to download & update individual mods from outside of modpacks using Modrinth and CurseForge. Each Minecraft instance has its own folder, with separate mods, resource packs and other things. You don't need an embedded web browser as a game launcher. Prism Launcher uses the Qt toolkit, which requires little system resources. Prism Launcher also lets you customize the menu and supports custom themes.
    Downloads: 433 This Week
    Last Update:
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  • 2
    MultiMC

    MultiMC

    Launcher for Minecraft that allows you to easily manage installations

    MultiMC is an alternative launcher for Minecraft. It allows you to have multiple, cleanly separated instances of Minecraft (each with their own mods, resource packs, saves, etc) and helps you manage them and their associated options with a simple and powerful interface.
    Downloads: 374 This Week
    Last Update:
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  • 3
    PolyMC

    PolyMC

    Custom launcher to manage multiple installations of Minecraft at once

    An Open Source Minecraft launcher with the ability to manage multiple instances, accounts, and mods. Focused on user freedom and free redistributability. Install and launch modpacks easily, while keeping them clean. No longer do you need to manually install them, and an updating feature is coming soon. PolyMC can do that for you, without installing tons of separate launchers. Are you sick of finding and adding that one mod you need? PolyMC is able to download & update individual mods from outside of mod packs using Modrinth and CurseForge.
    Downloads: 47 This Week
    Last Update:
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  • 4
    mulder

    mulder

    MuldeR's OpenSource Projects

    OpenSource development since 2004. Featured projects: * LameXP - audio encoder front-end * MPlayer for Windows - custom MPlayer installer for Win32 * Simple x264 Launcher - simple GUI front-end for x264 * Many more...
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    Downloads: 431 This Week
    Last Update:
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  • Pest Control Management Software Icon
    Pest Control Management Software

    Pocomos is a cloud-based field service solution that caters to businesses

    Built for the pest control industry, but also works great for Mosquito Control, Bin Cleaning, Window Washing, Solar Panel Cleaning, and other Home Service Businesses in need of an easy-to-use software that helps you simplify routing, scheduling, communications, payment processing, truck tracking, time tracking, and reporting.
    Learn More
  • 5
    Appetizer
    This an application launcher for removable drives (although it can also be used as a normal application). Rather than organizing the apps as a list like the Windows Start menu, they are organized in a tool bar a bit similar to the Mac OSX dock bar.
    Downloads: 53 This Week
    Last Update:
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  • 6
    Launchy

    Launchy

    Application launcher for Windows, Mac OS X, FreeBSD and Linux

    Launchy is a free utility designed to help you forget about your start menu, your desktop icons, and your file manager. Launchy indexes and launches your applications, documents, project files, folders, and bookmarks with just a few keystrokes!
    Downloads: 28 This Week
    Last Update:
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  • 7
    Albert

    Albert

    A fast and flexible keyboard launcher

    Albert is a blazing-fast, plugin-based keyboard launcher written in C++/Qt.
    Downloads: 5 This Week
    Last Update:
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  • 8
    WinRun4J is a Windows native launcher for your Java application. The goal is to provide a more professional deployment mechanism for Java apps on Windows.
    Downloads: 30 This Week
    Last Update:
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  • 9
    JauntePE
    Windows portable app maker: launcher(s), runtime, and gui designed to help you run non-portable applications in a portable manner.
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    Downloads: 44 This Week
    Last Update:
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  • The Original Buy Center Software. Icon
    The Original Buy Center Software.

    Never Go To The Auction Again.

    VAN sources private-party vehicles from over 20 platforms and provides all necessary tools to communicate with sellers and manage opportunities. Franchise and Independent dealers can boost their buy center strategies with our advanced tools and an experienced Acquisition Coaching™ team dedicated to your success.
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  • 10
    This Program is a cron replacement which runs commands at a specified time,if certain conditions are met. The program runs as daemon and is part of the Task Launcher Scheduler package.
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    Downloads: 40 This Week
    Last Update:
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  • 11
    Plugin for Launchy, meant as replacement for apparently dead plugin mathy. MathyResurrected will try to replicate Mathy functionality.
    Downloads: 7 This Week
    Last Update:
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  • 12
    Alternative Windows Console v2

    Alternative Windows Console v2

    Alternative Windows(tm) Console - extended interface to Windows shell

    Download it for free for any use!
    Downloads: 7 This Week
    Last Update:
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  • 13
    LaunchyQt

    LaunchyQt

    Launchy project reactivated, Get the familiar feeling now!

    Launchy is a free utility designed to help you forget about your start menu, your desktop icons, and your file manager. Launchy indexes and launches your applications, documents, project files, folders, and bookmarks with just a few keystrokes! I have been using Launchy for years, and found that this project has not been updated since 2010. I love this tool and want to maintain this project. LaunchyQt is now developed on github. Please report bugs and other problems at https://github.com/samsonwang/LaunchyQt/issues Checkout release note and developing progress at https://github.com/samsonwang/LaunchyQt/projects/1 The original source code is forked from https://sourceforge.net/projects/launchy
    Downloads: 9 This Week
    Last Update:
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  • 14
    A Lisp script and application launcher for Microsoft Windows, Linux and Mac OS X. The launcher mimics Java/JAR application distribution paradigm for Lisp and allows creation of relatively complex executable source code application distributions.
    Downloads: 8 This Week
    Last Update:
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  • 15
    Linux Launcher for Games

    Linux Launcher for Games

    Install and Play old Windows games comfortably on Linux

    Linux Launcher for Games is a helper application designed to easily install and play old Windows game on Ubuntu based Linux distributions. To be able to use this application successfully, you will need game installation disks or disk image files and an Ubuntu based Linux operating system.
    Downloads: 7 This Week
    Last Update:
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  • 16
    QMC2 is a Qt based multi-platform GUI front end for MAME NOTE: A new version is hosted and developed at https://github.com/qmc2/qmc2-mame-fe
    Downloads: 7 This Week
    Last Update:
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  • 17

    GWLauncher

    Launcher app for Guild Wars and Guild Wars 2

    Allows configuring launch options and configuring more than one copy of the game, allowing simultaneously launching several instances. It also has account management for the auto-login feature, so it's easy and fast accessing more than one account on the same computer without having to re-enter the login info every time you want to change accounts. Small and 100% stand-alone: it doesn't require any 3rd party software installed in the computer.
    Downloads: 6 This Week
    Last Update:
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  • 18
    Launcher Creator

    Launcher Creator

    A simple program to create easily launchers of Applications

    Un sencillo programa para crear facil y profesionalmente launchers para nuestras aplicaciones y programas en Debian/Ubuntu o cualquier Distribución basada en Debian. SImplemente Ejecuta el programa, ingresa el nombre del lanzador, el comando o programa a ejecutar, el icono del launcher, y las diferentes opciones como agregar al menu, agregar al escritorio, ejecutar como root, y finalmente en crear launcher, y tendrás tu launcher creado facilmente.
    Downloads: 3 This Week
    Last Update:
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  • 19
    Game Launcher is a cross platform, universal front end for emulators. The main goal is to provide a user interface that is easy to use and attractive, yet does not look like a traditional user interface. It should work with any emulator.
    Downloads: 3 This Week
    Last Update:
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  • 20
    SDL based multi-platform MAME frontend for arcade cabinets.
    Downloads: 3 This Week
    Last Update:
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  • 21
    pylaunchy is an extension to Launchy's (www.launchy.net) plugin system that allows developing Launchy plugins in the Python language.
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    Downloads: 3 This Week
    Last Update:
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  • 22

    Tiggit Indie Game Installer

    An open source game launcher and installer

    Tiggit is a game distribution system modeled after Steam, Desura and the likes. It is currenly experimental, very minimalistic and only features freeware & OSS games, but has an ambitious goals list for the future.
    Downloads: 1 This Week
    Last Update:
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  • 23

    Launchy#

    Develop Launchy plugins in .NET languages

    Launchy# is an extension to Launchy's (www.launchy.net) plugin system that allows developing Launchy plugins in .NET languages
    Downloads: 2 This Week
    Last Update:
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  • 24
    USB Missile Launcher QT
    Control USB Missile Launcher (Vendor ID: 0x1130, Product ID: 0x0202) under GNU/Linux, with a graphical QT4 interface. This project is based in http://sourceforge.net/projects/usbmissile/
    Downloads: 2 This Week
    Last Update:
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  • 25

    XRun

    Launcher for GNU/Linux

    一个用于 GNU/Linux 的,显示在通知区域的小型启动器。
    Downloads: 2 This Week
    Last Update:
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