Electron is an open-source framework that lets developers build desktop applications for Windows, macOS, and Linux using web technologies. It bundles a Chromium renderer with Node.js, so a single JavaScript codebase can access both browser APIs and native operating system capabilities.
The official site hosts getting-started guides, a detailed API reference, tutorials, security guidance, performance tips, and release notes for the current and supported branches, alongside links to community tooling and a directory of applications built with the framework.
It suits teams already fluent in front-end development who want to ship a desktop client quickly, maintainers of editors, chat clients, and developer tools, and companies that need one UI codebase across three operating systems.
Compared with native toolkits it shortens cross-platform development considerably, at the cost of larger installers and higher memory use; compared with pure web apps it gains file system access, system trays, menus, and reliable offline operation.
Pin a supported Electron version and follow the security checklist on context isolation and remote content, since bundling Chromium means shipping browser patches with every release; test installers and auto-updates on each target platform.