UTFCast - UTFCast Professional is an efficient Unicode converter for windows. It can convert massive amounts of text to UTF-8, UTF-16 and UTF-32 at a very high speed. It supports over 30 codepages and has the ability to convert extra-large size files.

Electron - Build cross platform desktop apps with web technologies

CONVERTCP - CONVERTCP is a command line utility to convert text file encoding.

Draftbit - Build mobile apps visually with Draftbit's pro-code, no-code platform. Source code included, of course.

ConvertZ - ConvertZ is a program to convert Chinese/Japanese codes.

Codebots - Codebots is an AI-powered app building tool designed for people who aren’t classically trained in programming.