nRF Util

nRF Util is a development tool for generating DFU packages

The nRF Util application and its library offer the following features:

Device firmware update (DFU) package generation
Cryptographic key generation, management, and storage
Bootloader settings generation
DFU procedure over the following transports

Bluetooth Low Energy
Serial over UART
Serial over USB
Thread unicast
Thread multicast
Zigbee
ANT

Other development tools

nRF Connect for Desktop

nRF Connect for Desktop is a cross-platform framework for development applications. It contains applications for testing Bluetooth Low Energy and LTE links, power optimization, programming and more.

nRF Command Line Tools

The nRF Command Line Tools are used for development, programming, and debugging of Nordic Semiconductor's nRF51, nRF52, nRF53 and nRF91 Series devices.