https://libreboot.org/
Libreboot is a free/opensource BIOS/UEFI boot firmware distribution based on coreboot with GNU boot loader GRUB, SeaBIOS and U-Boot, for booting Linux/BSD.
open sourceboot firmwarelibrebootfreebios
https://www.cnx-software.com/2023/08/29/lorawan-iot-button-ships-with-open-source-firmware-bootloader-and-android-app/
n-Fuse LoRaWAN IoT Action Button support supports single, double, and long presses, as well as tactile feedback.
open source firmwarelorawan iotbuttonshipsbootloader
https://www.tomshardware.com/news/turris-omnia-indiegogo-open-source-router-openwrt,30594.html
The Indiegogo funds raised for the Turris Omnia router has almost doubled the original fixed goal of $100,000.
turris omniaopen sourcerouterprojectindiegogo
https://cyberscoop.com/nsa-firmware-open-source-coreboot-stm-pe-eugene-myers/
Aug 23, 2019 - A years-long project that could better protect machines from firmware attacks will soon be available to the public, according to an NSA researcher.
open source projectnsaresearchersallowprotection
https://www.cnx-software.com/2017/03/03/ai-light-esp8266-based-wifi-rgb-light-bulb-supports-mqtt-via-espurna-open-source-firmware/
AI-Thinker is famous in the maker world for their ESP8266 modules, but they've also recently launched a WiFi RGB light bulb that sells for about $12.5 and
ailightbasedwifirgb
https://hackaday.com/2014/03/15/temperature-controller-gets-open-source-firmware-upgrade/
Beer lovers rejoice! [Mats] has reverse engineered a temperature controller and written new open source firmware for it. This effectively gives all us...
open source firmwaretemperature controllergetsupgradehackaday