OBS (Open Broadcaster Software) is free and open source software for video recording and live streaming. Stream to Twitch, YouTube and many other providers or record your own videos with high quality H264 / AAC encoding.

AirPortal（空投）是一个可以跨设备传输文件的网站。只要您的设备联网，您就可以通过它在任意系统、任意设备间传输文件。无需登录或注册，只需打开 AirPortal、直接上传文件、记住所给的取件码或直接扫描二维码即可在另一台设备上下载文件。