Top 16 useful tools for Raspberry pi lovers

• Hardened Kernel Builder for RPi - Cross-compile the Linux kernel for Raspberry Pi with enhanced security using a single command.
• HealthyPi - HAT which includes vital health monitoring like ECG, respiration, pulse oximetry and optional blood pressure & body temperature sensing. 
• iotwifi - Wifi AP + Client management in 8MB Docker Container, with REST API for controlling wifi client and station modes simultaneously. 
• OpenVPN-Setup - Shell script to set up Raspberry Pi as an OpenVPN server.
• Orangetool - Control functions for Single-Board computers in Python.
• pi-gen - Tool used to create the raspberrypi.org Raspbian images. This can be used to create your own custom images with specific packages installed, etc.
• PiBakery - The blocks based, easy to use setup tool for Raspberry Pi.
• Pieman - Script for creating custom images based on Raspbian, Devuan, Ubuntu and Alpine Linux.
• PiShrink - Bash script that automatically shrinks a pi image that will then resize to the max size of the SD card on boot.
• Processing - Processing Development Environment running on Raspberry Pi.
• Pwnagotchi - Pwnagotchi is an AI based Wi-Fi cracking tool that learns from its surrounding WiFi environment to maximize the crackable WPA key material it captures.
• RaspAP-webgui - A simple, responsive web interface to control wifi, hostapd and related services on the Raspberry Pi.
• Raspbian QEMU with network - Simple tool to launch QEMU on Raspbian with the required modifications on the system and kernel. Automatic network access. Handy to create images in your PC.
• Resin Bridge - Simple application/repo to bridge a Raspberry Pi's wlan0 interface to devices plugged into it over ethernet (eth0).
• TorTiPi - Shell script to automate the task of converting Raspberry Pi into a tor based wifi hotspot.
• WiFi config generator - Simple tool to generate wpa_supplicant.conf files with wifi settings