There are 2 repositories under pxt topic.
A Blocks / JavaScript code editor for the micro:bit built on Microsoft MakeCode
Common packages for Microsoft MakeCode editors
Microsoft MakeCode editor for Adafruit Circuit Playground Express
A Holiday Card sample target embedding PXT inside a React web app
A Bluetooth service to expose a temperature reading.
Chibitronics Love To Code board editor with Microsoft MakeCode
BBC micro:bit MakeCode extension for MAX7219 8x8 matrix LED modules
makecode I2C LCD1602 package for microbit
I2C OLED 128x64 extension V2 for pxt-makecode
MakeCode package for the SparkFun Moto:Bit board - beta
LEGO® Boost IDE for Windows 10 based on Microsoft MakeCode (aka PXT)
MakeCode package LoRa by Electronic Cats - beta
humidity and pressure sensor pxt package
A Blocks / JavaScript code editor for 3D worlds powered by Microsoft MakeCode.
An extension (beta) for MakeCode (pxt) environment for micro:bit hardware supporting multiple hardware modules.
The Intelligent programming UAV (DroneBit) designed by ELECFREAKS Co.ltd
(行星X)The micro:bit new sensor series PlanetX with RJ11 connection port by ELECFREAKS Co.ltd
Extract code from Universal Hex files generated by the PXT-based Microsoft MakeCode IDE for micro:bit
The original Neopixelpackage changed to work with Calliope Mini based on V0.6.11