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-# *BTClock Building Instruction.*
+# Software and licenses
+
+| Name | License |
+| - | - |
+| [Visual Studio code](https://github.com/microsoft/vscode) | MIT |
+| [PlatformIO](https://platformio.org/) | Apache 2.0 license |
+| [node.js](https://github.com/nodejs/node) | MIT |
+| [yarn](https://yarnpkg.com/) | BSD-2 |
+| [Arduino core for ESP32](https://github.com/espressif/arduino-esp32) | LGPL 2.1 | 
+| [GxEPD2](https://github.com/ZinggJM/GxEPD2) | GPL 3.0 |
+| [ArduinoJSON](https://github.com/bblanchon/ArduinoJson) | MIT |
+| [WifiManager](https://github.com/tzapu/WiFiManager) | MIT |
+| [ESPAsyncWebServer](https://github.com/me-no-dev/ESPAsyncWebServer) | LGPL 3.0 |
+| [Adafruit MCP23017](https://github.com/adafruit/Adafruit-MCP23017-Arduino-Library/tree/master) | BSD |
+| [Adafruit NeoPixel](https://github.com/adafruit/Adafruit_NeoPixel) | LGPL 3.0 |
+| [ESP32Time](https://github.com/fbiego/ESP32Time) | MIT |
+
+# BTClock Building Instructions
 
 This instruction will guide you through the building process. Please read carefully before you start building, some parts have polarity, keep this in mind during the process.