You could have downloaded Write Nepali 1.5 from our software library for free. The software belongs to Education Tools. The actual developer of the free program is Merosoft.
From the developer:
This software is designed to let the user(s) to type in Nepali easily without having any previous knowledge of keyboard settings Nepali Fonts and no need to Install Nepali Fonts as well.
Online Romanized Nepali unicode converter, Type and Write in Nepali Unicode, convert romanized nepali into Nepali Unicode font, that is in nepali unicode.
You may want to check out more software, such as Dual Writer, C# Write to CSV or Inspire Writer, which might be related to Write Nepali.