Open source. Open possibilities.

Flutter is Google's open-source SDK for building fast, beautiful apps for mobile, web, and desktop from a single codebase, featuring hot reload, rich widgets, and native performance.

Flet is a framework for building multi-platform mobile, desktop, and web applications using only Python, requiring no prior frontend development experience.

Licitarium is a Windows program that mirrors PNCP data offline: tenders, contracts, price registrations, PCA plans, and unit prices in a searchable SQLite database, with automated PCA drafting and eight printed reports.

vue-element-admin is a production-ready Vue 2 and Element UI front-end solution for building complex admin interfaces, with login, permission authentication, i18n, dynamic themes and many enterprise templates.

Mindustry is an open-source tower-defense real-time strategy game with heavy automation and factory-building elements, written in Java. It targets desktop, Android and dedicated server builds, and ships with modding support, a public wiki, Javadoc and an active suggestion tracker.

Lively Wallpaper is a free, open-source Windows app that lets you set animated wallpapers and screensavers using videos, webpages, or apps, with interactive features, automation, and machine learning support.

OrcaSVN is a cross-platform SVN desktop client built with Tauri and Vue 3, offering a Git-like workspace experience, multi-language support, and compatibility with major operating systems.

BibleText is a cross-platform Bible reader built with Go and Fyne, supporting macOS, Windows, Linux, iOS, and Android. It features multiple public domain and licensed translations, audio narration with read-along highlighting, verse sharing with embedded notes, and bring-your-own-key AI study capabilities.

CWSP-shell is a cross-platform launcher and Speed Dial for Android (Capacitor), Chrome (via CWSP-crx), and PWA. It supports multiple desktops, widgets, drag-and-drop, tile and icon customization, and an App Menu for application management.

Dioxus is a Rust fullstack app framework for building web, desktop, and mobile applications from one codebase, with zero-config setup, integrated hot-reloading, signals-based state management, server functions, and a bundling CLI.

Open-source cross-platform app to watch movies and TV shows, rebuilt with Tauri, React/TypeScript, and Rust. Includes weekly public catalog datasets.

A cross-platform reimplementation of the Notepad++ text editor, available for Windows, Linux, and macOS.

Pake turns any webpage into a lightweight desktop app for macOS, Windows, and Linux with one command. Built on Rust/Tauri, installers are nearly 20x smaller than Electron, with shortcuts and style customization.

Microsoft PowerToys is a collection of over 30 system utilities designed to customize Windows and streamline everyday productivity tasks.

NW.js is an app runtime based on Chromium and Node.js that lets developers build native desktop applications using HTML, CSS, JavaScript and WebGL, with direct access to Node.js APIs and npm modules from the DOM.

OpenHuman is an open-source, local-first personal AI desktop app for Mac, Windows and Linux. It combines persistent on-device memory, multi-agent orchestration, visual workflows and deep research, with 100+ OAuth integrations and an optional fully local privacy mode.

A Java-based desktop implementation of Scoundrel, a single-player roguelike card game featuring a test-driven headless rules engine and hand-drawn pixel art.

DevToys is a cross-platform developer utility app described as a Swiss Army knife. It bundles 30 default tools for converting, encoding/decoding, formatting, generating, graphics, testing and text tasks, with Smart Detection and extension support.

NodeGUI is a library for building cross-platform native desktop applications with Node.js and CSS-like styling, powered by Qt6 for low CPU and memory usage. It offers complete Node.js API support, Flexbox layout, TypeScript support, and React/Vue/Svelte variants.

Puter is an open-source, self-hostable internet computer that bundles files, apps, and games in one place. It offers cloud storage, databases, serverless workers, and AI APIs for developers, plus an app store for publishing and monetizing web apps.