Open Source Launchers
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Browse free open source Launchers and projects below. Use the toggles on the left to filter open source Launchers by OS, license, language, programming language, and project status.
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Dual Monitor Tools
Tools for Windows users with dual or multiple monitors.
Tools for Windows users with dual or multiple monitors. Has hotkeys for moving windows around, restrict mouse/cursor movement between screens, application launcher, wallpaper creator and changer and a screen capture tool. -
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CreamInstaller
Automatically finds all installed Steam, Epic and Ubisoft games
Automatically finds all installed Steam, Epic, and Ubisoft games with their respective DLC-related DLL locations on the user's computer, parses SteamCMD, Steam Store, and Epic Games Store for user-selected games' DLCs, then provides a very simple graphical interface utilizing the gathered information for the maintenance of DLC unlockers. -
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Bloxstrap
An alternative bootstrapper for Roblox with a bunch of extra features
Bloxstrap is a third-party replacement for the standard Roblox bootstrapper, providing additional useful features and improvements. Bloxstrap is a community-made utility for Roblox that allows players to customize and enhance their gameplay experience. It functions similarly to Roblox’s official launcher but provides additional features and settings that are not available through the default launcher. Bloxstrap offers options like the ability to skip the Roblox loading screen, customize graphics settings more extensively, and even maintain previous versions of the client. It’s particularly popular among users who want more control over their Roblox experience or who need to troubleshoot specific game performance issues. The tool is easy to install and integrates seamlessly with Roblox for a smoother and more personalized user experience. -
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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. -
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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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. -
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Rekado
Payload launcher and serial number checker for Nintendo Switch
Payload launcher is written in Kotlin for Nintendo Switch. The application doesn't require Root on your device. -
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Geode iOS Launcher
Manages installing and launching Geometry Dash for iOS
Geode iOS Launcher is a specialized utility designed to install, manage, and launch a modified version of Geometry Dash with Geode modding support on iOS devices, overcoming Apple’s restrictive app distribution policies through sideloading techniques. It acts as a bridge between the Geode modding ecosystem and iOS, enabling users to run modded versions of the game without requiring a traditional jailbreak. The application supports multiple installation methods, including SideStore, developer certificates, and other sideloading approaches, each offering different levels of functionality and compatibility. It incorporates mechanisms to enable or simulate Just-In-Time execution, allowing mods to function even under Apple’s limitations, including partial support through JIT-less execution modes. The launcher also integrates mod management features, letting users browse, install, and update modifications directly within the app environment. -
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SyncTrayzor
Windows tray utility / filesystem watcher / launcher for Syncthing
SyncTrayzor is a little tray utility for Syncthing on Windows. It has a built-in web browser and several other great features. It works by hosting and wrapping Syncthing, making it behave more like a native Windows application and less like a command-line utility with a web browser interface. -
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Heimdall
An Application dashboard and launcher
As the name suggests Heimdall Application Dashboard is a dashboard for all your web applications. It doesn't need to be limited to applications though, you can add links to anything you like. Heimdall is an elegant solution to organize all your web applications. It’s dedicated to this purpose so you won’t lose your links in a sea of bookmarks. Why not use it as your browser start page? It even has the ability to include a search bar using either Google, Bing or DuckDuckGo. You can use the app to link to any site or application, but Foundation apps will auto-fill in the icon for the app and supply a default color for the tile. In addition, Enhanced apps allow you to provide details to an apps API, allowing you to view live stats directly on the dashboard. For example, the NZBGet and Sabnzbd Enhanced apps will display the queue size and download speed while something is downloading. -
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XXMI Launcher
Modding platform for GI, HSR, WW and ZZZ
XXMI Launcher is a unified launcher and management tool designed to simplify the installation and operation of model importers used for modding several popular games, including titles like Genshin Impact and Honkai Star Rail. It acts as a centralized interface that allows users to install, configure, and launch multiple modding frameworks from a single application, reducing the complexity typically associated with manual setup. The software is built with a plug-and-play philosophy, automatically detecting supported games and deploying the appropriate modding environment without requiring deep technical knowledge. It also includes advanced configuration options that allow users to customize how games are launched, providing flexibility for different setups and workflows. The launcher maintains itself and its associated components through automatic updates, ensuring compatibility with game updates and modding tools. -
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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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Flashpoint Launcher
Launcher for Flashpoint Archive
The launcher for Flashpoint Archive (the non-profit web preservation project). The Flashpoint Launcher (FPL) is a desktop application made for browsing, storing, and launching other applications (games, animations, web apps etc.). It is specifically made for Flashpoint Archive, a non-profit with the goal of furthering archival and accessibility efforts for games, animations and other digital interactive experiences on the web. -
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WeMod Launcher
Tool made to launch the popular Game Trainer / Cheat tool
The WeMod Launcher is currently on version 1.499. Tool made to launch the popular Game Trainer / Cheat tool WeMod along with your game (made for steam-runtime version in Linux). -
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Daijishō
Daijishō is a retro launcher that let you manage your retro games
Daijishō is a retro launcher that lets you manage your retro games libraries. This repo is for assets and serves as a main page. Daijishō is a retro launcher that allows you to manage your retro game libraries. Daijishō cares about integrated experience, expandability, aesthetic, and pragmatic usability, allowing you to focus on the games themselves. It will be continually updated in the future based on user responses and my own retro gaming experience in my spare time. -
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Steam Tinker Launch
Linux wrapper tool for use with the Steam client for custom launch
Steam Tinker Launch is a versatile Linux wrapper tool for use with the Steam client which allows for easy graphical configuration of game tools, such as GameScope, MangoHud, modding tools, and a bunch more. It supports both games using Proton and native Linux games and works on both X11 and Wayland. An incredible wrapper with a menu that lets you easily toggle and modify various settings for games on Linux. Anything from proton versions to startup and exit scripts, proton/dxvk/etc. settings, FSR, reshade, and even options for various tools like game mode, replay-sorcery, game scope, etc. Tons more too. I just set my default proton version to "steam tinker launcher" and then every game launches with a 2-second menu that allows you to easily change any of the settings. If you don't press any buttons it just goes with the defaults and launches the game. -
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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. -
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Heroic Games Launcher
A Native GOG and Epic Games Launcher for Linux, Windows and Mac
Heroic is an Open Source GOG and Epic games launcher for Linux, Windows and macOS. Also available on the SteamDeck! Check game details like description, publisher, download and install size, time played and more. On Linux and on MacOS you can select to install the Windows version of a native game. This might be handy in case the native version is not supported anymore. On Linux you can choose that for GOG games only. Go to the Epic or GOG store without even leaving Heroic. Get free games or buy new ones directly from Heroic's interface! Add games to favorites or simply hide the games you already played or will never play at all! If you don't like the default colors, you have the ability to change them. It also includes the famous Dracula theme. On Linux, download the latest version of Wine-GE, Wine-Lutris or even Proton-GE using the Wine Manager. These selection of Wine version are focused on improving the gaming experience and compatibility. -
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GDLauncher
GDLauncher is a simple, yet powerful Minecraft custom launcher
GDLauncher is a simple, yet powerful Minecraft custom launcher with a strong focus on the user experience. Our main focus is to provide a powerful launcher but keeping the UI clean and modern. You'll be able to browse and download any mod pack directly from within the launcher! You can play vanilla, forge and fabric directly from the launcher, without needing to download anything else. You can easily download mods and keep them up to date. You don't need to have java installed on your pc. We will automatically download the best java release to ensure complete compatibility. You don't need to have java installed, a suitable version will be downloaded automatically. It's as easy as pie to install the vanilla game, forge, fabric, and all curseforge modpacks. No further action from the user is required. -
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JasperStarter
Running JasperReports from command line
JasperStarter is a command line launcher and batch compiler for JasperReports. -
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Neo-Launcher
Neo-Launcher
Neo Launcher is a free and open-source launcher designed for Android devices. It offers a highly customizable and user-friendly interface, allowing users to personalize their home screens and app drawers extensively. Key features include rich theme support, customizable app icons, various icon shapes, and the ability to create folders or categories within the app drawer. The launcher also supports gestures, a unique custom widget, and custom search engines, providing users with enhanced functionality and ease of use. -
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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! -
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Kvaesitso
A search-focused Android launcher
Kvaesitso is a search-focused, free and open source launcher for Android. The preferred way of installation is using the F-Droid application. That way you will always be notified about updates. Kvaesitso is available in the official F-Droid repository, but all features depending on non-foss external APIs were removed. For feature-complete builds, you can add MM20's repository. -
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ASuite is an application launcher to manage an unlimited number of files, folders and webpage for quick access. It is designed to work with removable storage (uses relative paths) media like USB sticks, hard drives, iPods, etc.
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Hain
An 'alt+space' launcher for Windows, built with Electron
An alt+space launcher for Windows, built with Electron. I always dreamed of an alternative to Alfred on Windows, that is made with JavaScript. so, I made it. It's a launcher with strict syntax (like terminal programs), it's not targeting to interpret natural language. I believe strict syntax can provide a more powerful and fast response than interpreting natural language. Searching Executable files very fast with Fuzzy Matching. Plugins in Pure JavaScript. I always dreamed of an alternative to Alfred on Windows, that is made with JavaScript. -
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Ulauncher
Feature rich application Launcher for Linux
Type in an application name without worrying about spelling. Ulauncher will figure out what you meant. It also remembers your previous choices and automatically selects the best option for you. Ulauncher provides 4 themes built in. But if you need something different you can always create a custom color theme. Improve your workflow with customizable shortcuts and extensions. Create a shortcut for web search or your scripts or install a 3rd party extension.
