OatmealDome.NinLib.MessageStudio
This library allows you to read MSBT files generated by Nintendo's MessageStudio suite. Writing is not possible at this time.
Usage
byte[] msbtData = File.ReadAllBytes("Messages.msbt");
Msbt msbt = new Msbt(msbtData);
// Get the text associated with a label
string message = msbt.Get("Label");
// Check if a label exists in this MSBT
bool doesLabelExist = msbt.ContainsKey("MysteryLabel");