Reorganize and update the extensions page

extensions.md

@@ -3,29 +3,59 @@ layout: post
 title: Extensions
 permalink: /extensions/
 ---
+# Tooling, Drivers, and Libraries
 
-Several users in the AtomVM community have provided extensions to AtomVM to support integrations with specific peripherals and networking protocols.  These extensions are growing and currently include the following.
+Several users in the AtomVM community have provided extensions to AtomVM to support integrations
+with specific peripherals and networking protocols.  These extensions are growing and currently
+include the following.
 
-* [`atomvm_rebar3_plugin`](https://github.com/atomvm/atomvm_rebar3_plugin) A Rebar3 plugin for streamlining the development of AtomVM applications written in Erlang
-* [`ExAtomVM`](https://github.com/atomvm/ExAtomVM) A Mix plugin for streamlining the development of AtomVM applications written in Elixir
-* [`atomvm_packbeam`](https://github.com/atomvm/atomvm_packbeam) Purerlang version of AtomVM PackBeam utility
-* [`atomvm_dht`](https://github.com/atomvm/atomvm_dht) DHT11 and DHT12 drivers for AtomVM
-* [`atomvm_esp32cam`](https://github.com/atomvm/atomvm_esp32cam) An AtomVM Nif for interfacing with cameras connected to the ESP32
-* [`atomvm_gps`](https://github.com/atomvm/atomvm_gps) Support for GPS device integration (using UART/NMEA) on AtomVM
-* [`atomvm_lib`](https://github.com/atomvm/atomvm_lib) A rich set of libraries for integrating various sensors and peripherals, including:
-    * BME280 Temperature, humidity, and atmospheric pressure sensor
-    * BH1750 Luminosity sensors
-    * SHT3X Temperature and humidity sensor
-    * LEDC PWM
-    * SX127X LoRa modems
-* [`atomvm_m5`](https://github.com/pguyot/atomvm_m5) A port of [`M5Unified`](https://github.com/m5stack/M5Unified) for the AtomVM platform.
-* [`atomvm_mqtt_client`](https://github.com/atomvm/atomvm_mqtt_client) An MQTT client library for AtomVM
-* [`atomvm_neopixel`](https://github.com/atomvm/atomvm_neopixel) AtomVM driver for WS2812 “neopixel” LEDs
-* [`atomvm_nvs_reset`](https://github.com/atomvm/atomvm_nvs_reset) An IDF component that supports resetting NVS by holding a pin
-* [`atomvm_ssd1306`](https://github.com/atomvm/atomvm_ssd1306) AtomVM driver for SSD1306 displays
-* [`atomgl`](https://github.com/atomvm/atomgl) AtomGL is a display driver for a number of different display models and technologies
-* [`avm_sdl_display`](https://github.com/atomvm/avm_sdl_display) AtomVM SDL Display Driver
-* [`avm_epdiy_display`](https://github.com/atomvm/avm_epdiy_display) AtomVM EPDiy E-Paper Display Driver
+## Tools
+* [`atomvm_rebar3_plugin`](https://github.com/atomvm/atomvm_rebar3_plugin) A Rebar3 plugin for
+streamlining the development of AtomVM applications written in Erlang
+* [`ExAtomVM`](https://github.com/atomvm/ExAtomVM) A Mix plugin for streamlining the development of
+AtomVM applications written in Elixir
+* [`atomvm_packbeam`](https://github.com/atomvm/atomvm_packbeam) Purerlang version of AtomVM
+PackBeam utility
+* [`uf2tool`](https://github.com/pguyot/uf2tool) Erlang escript to work with .uf2 files
+
+## Drivers
+
+### Nif and port based drivers
+* [`atomgl`](https://github.com/atomvm/atomgl) AtomGL is a display driver for a number of different
+display models and technologies
+* [`atomvm_dht`](https://github.com/atomvm/atomvm_dht) ESP32 DHT11 and DHT12 drivers for AtomVM
+* [`atomvm_esp32cam`](https://github.com/atomvm/atomvm_esp32cam) An AtomVM Nif for interfacing with
+cameras connected to the ESP32
+* [`atomvm_gps`](https://github.com/atomvm/atomvm_gps) Support for GPS device integration
+(using ESP-IDF UART/NMEA) on AtomVM
+* [`atomvm_led_strip`](https://github.com/harmon25/atomvm_led_strip) ESP32 RMT Nifs for WS2812 and
+SK6812 Addressable LEDs (recommended replacement for `atomvm_neopixel` if you need the performance
+of a nif based driver)
+* [`atomvm_m5`](https://github.com/pguyot/atomvm_m5) A port of
+[`M5Unified`](https://github.com/m5stack/M5Unified) for the AtomVM platform
+* [`atomvm_mqtt_client`](https://github.com/atomvm/atomvm_mqtt_client) An ESP32 MQTT client library
+* [`atomvm_nvs_reset`](https://github.com/atomvm/atomvm_nvs_reset) An IDF component that supports
+resetting NVS by holding a pin
+* [`atomvm_ssd1306`](https://github.com/atomvm/atomvm_ssd1306) AtomVM ESP32 driver for SSD1306
+displays
+* [`atomvm_ulp`](https://github.com/pguyot/atomvm_ulp) ESP32 ULP Driver
+* [`avm_epdiy_display`](https://github.com/atomvm/avm_epdiy_display) AtomVM EPDiy E-Paper Display
+Driver
+
+### BEAM based drivers
+* [`atomvm_lib`](https://github.com/atomvm/atomvm_lib) A rich set of libraries for integrating
+various sensors and peripherals, including:
+    - BME280 Temperature, humidity, and atmospheric pressure sensor
+    - BH1750 Luminosity sensors
+    - SHT3X Temperature and humidity sensor
+* [`atomvm_lora`](https://github.com/atomvm/atomvm_lora) SX127X LoRa modem drivers and libraries
+* [`avm_ls`](https://github.com/karlsson/avm_ls) Pure BEAM (Native support for Erlang, Elixir, and
+Gleam!) driver for WS2812, SK9822, and AP102 Addressable LEDs (recommended pure BEAM replacement
+for `atomvm_neopixel`)
+
+## Libraries
 * [`avm_scene`](https://github.com/atomvm/avm_scene) An OTP display orchestration application
+* [`mjson`](https://github.com/mbj4668/mjson) Purerlang JSON encoder and decoder designed for
+AtomVM
 
 If you have an extension to AtomVM you would like listed here, please [contact](../contact) us.