# Kunkun > Kunkun is a cross-platform extensible app launcher like Raycast or Alfred. > All extensions run in a sandboxed environment by default to ensure security. ## Demo Video and Instructions - https://docs.kunkun.sh/guides/demo/ - Download extension from https://kunkun.sh/download [![wakatime](https://wakatime.com/badge/user/94be0fbf-cb9d-411d-8526-d0c4a4e82e1a/project/455bfd3f-4faf-4c2a-afe9-556d9ee1a0f7.svg)](https://wakatime.com/badge/user/94be0fbf-cb9d-411d-8526-d0c4a4e82e1a/project/455bfd3f-4faf-4c2a-afe9-556d9ee1a0f7) ![GitHub last commit](https://img.shields.io/github/last-commit/kunkunsh/kunkun) [![YouTube badge][]][YouTube link] [![Discord Invite](https://dcbadge.limes.pink/api/server/7dzw3TYeTU)](https://discord.gg/7dzw3TYeTU) - Website: https://kunkun.sh/ - Documentation: https://docs.kunkun.sh/ [YouTube badge]: https://img.shields.io/youtube/channel/subscribers/UC1gJeFbvRcQXDC_C8nKetdA?style=social [YouTube link]: https://www.youtube.com/@huakun ## Download - From the Website: https://kunkun.sh/download/ - From GitHub Releases: https://github.com/kunkunsh/kunkun/releases ## Platforms - [x] MacOS - [x] Linux - [x] Windows ![](https://i.imgur.com/PRuhafm.gif)