Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.
Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
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Midbar is more than just an open source password vault!
...It's made to significantly increase the cost of unauthorized access to its your personal data.
Some tutorials:
ESP32 V4.0: https://www.instructables.com/Midbar-V40/
RaspberryPi Pico V2.0: https://www.instructables.com/Midbar-Raspberry-Pi-Pico-Version-V20/
ESP32 V5.0: https://www.instructables.com/Midbar-V50/
STM32F401CCU6 + Arduino Uno Version V1.0: https://www.instructables.com/Midbar-STM32F401CCU6-Arduino-Uno-Version/
RTL8720DN + Arduino Uno V1.0: https://www.instructables.com/Midbar-RTL8720DN-Arduino-Uno-Version/
ESP8266 V2.0: https://www.instructables.com/Midbar-ESP8266-Version-V20/
STM32F407VET6 + Arduino Uno Version V1.0: https://www.instructables.com/Midbar-STM32F407VET6-Arduino-Uno-Version/
STM32F407VET6 Version V2.0: https://www.instructables.com/Midbar-STM32F407VET6-Version-V20/
ESP32 V6.0: https://www.instructables.com/Midbar-V60/
Teensy 4.1 V3.0: https://www.instructables.com/DIY-Hardware-Data-Vault-With-Teensy-41/