| ESP-Google-Forms-Client | Arduino Google Forms REST client library for ESP8266, ESP32 and Raspberry Pi Pico (RP2040). |
| ESP-Google-Sheet-Client | Arduino Google Sheet REST client library for Arduino devices. |
| ESP Line Notify | Line Notify Library for ESP8266 and ESP32. |
| ESP Mail Client | Arduino E-Mail Client Library to send, read and get incoming email notification for ESP32, ESP8266 and SAMD21 devices. |
| ESP32 Mail Client | Mail Client Arduino Library for ESP32 |
| ESP_SSLClient | The upgradable SSL Client for Arduino devices. |
| Firebase Arduino based on WiFiNINA | Google Firebase Realtime Database Arduino Client Library for Arduino MKR WiFi 1010, Arduino MKR VIDOR 4000 and Arduino UNO WiFi Rev.2. |
| Firebase Arduino based on WiFi101 | Google Firebase Realtime Database Arduino Client Library for Arduino WiFi Shield 101 and Arduino MKR1000 WIFI. |
| Firebase Arduino Client Library for ESP8266 and ESP32 | Google Firebase Arduino Client Library for Espressif ESP8266 and ESP32 |
| FirebaseClient | Async Firebase Client library for Arduino |
| Firebase ESP32 Client | Google Firebase Realtime Database Arduino Client Library for Espressif ESP32 |
| Firebase ESP8266 Client | Google Firebase Realtime Database Arduino Client Library for Espressif ESP8266 |
| FirebaseJson | The easiest Arduino library JSON parser, builder and editor for ESP8266, ESP32, Teensy 3.x, Teensy 4.x and others MCUs. |