Selected products by Enigma Byte, LLC

Useful software, thoughtfully made.

A selection from a growing portfolio of focused digital products.

Meet the products

Chinese learning

HanyuGuide

A connected Chinese dictionary, study queue, and learning toolkit built to keep progress smooth past the intermediate cliff.

  • Active recall
  • Spaced repetition
  • HSK study paths

iOS and Android apps are pending release.

HanyuGuide homepage with flashcard practice and a study progress dashboard

Vietnamese learning

Vifluent

A Vietnamese dictionary, reader, and review system that keeps useful vocabulary connected to the context where you found it.

  • Smart dictionary
  • Connected reading
  • Targeted review
Vifluent Vietnamese learning homepage with dictionary and review tools

Model Context Protocol

HanyuGuide, inside the AI you already use.

We build MCP servers so assistants like Claude and ChatGPT can work with our products directly. Connect a HanyuGuide account and your assistant can look up words, build practice from your study lists, and keep those lists organized for you.

See how HanyuGuide connects
  • ClaudeListed in Claude’s connector directory
  • ChatGPTConnects as a custom app with secure sign-in
  • MCP RegistryPublished in the official MCP Registry

A growing portfolio

Built one useful idea at a time.

HanyuGuide and Vifluent are among the products built and operated by Enigma Byte, LLC, an independent software company based in Texas.

Contact Enigma Byte