The tool in question is the ESP32 Web Updater and SPIFFS File Manager. It features a web interface courtesy of the ESPAsyncWebServer library.

Built-in VPN service With Readdle's latest update to its Documents app, users will be able to connect to a VPN directly from within the app and browse the web with added security and privacy ...

WiFi File Explorer turns your Android SD card into a small web server, so you can transfer files, stream media, and otherwise control your content across a Wi-Fi network.

The Raspbian OS gets file manager improvements and support for the Linux Orca accessibility app.