A small selection from the repos published on GitHub
pax-DLED is the board used in pax-LampD1,
pax-DLEDGrid and a few other LED installations with WS2812 LEDs.
Currently, all these boards are running the WLED software.
A Telegram Bot hosted on a ESP32 board with esp32-camera, some sensors and OTA updates.
STM32L051K8T board with RFM69HW and external Flash memory.
Usable from PlatformIO with the Arduino, CMSIS, STM32Cube and LibOpenCM3 frameworks.
A related article is Custom STM32 board for PlatformIO and Arduino, CMSIS, STM32Cube and LibOpenCM3
Lightweight, Classless, HTML Semantic Elements, Responsive, Mobile First CSS framework.
Check the demo and docs pages.
Controls WS2812-like LEDs using ESP32's RMT peripheral.
Basic board manager with WiFi AP / STA mode, HTTP server and firmware OTA update .
Helper C++ classes for some ESP32 info (tasks, heap) and generic peripherals (ADC, GPIO, I2C, SPI, Timers, ...).