SMALL TOOLS. THOUGHTFUL DETAILS.

Tools for reading,
writing and
your everyday life.

Six independent programs for ebooks, novel writing, activity tracking and speech. Find the tool that fits your next project.

Explore programs ↗Txt2Epub details →

Windows tools · Korean-first · Local workflows

FROM TEXT TO BOOK01 / 06
Txt2Epub actual UI with fictional sample data
Txt2EpubExplore the program ↗

Actual UI · original fictional manuscript

01 / EBOOKS & READING02 / WRITING & VOICE03 / YOUR DAILY FLOW
THE SOFTWARE COLLECTION

Find your next useful tool.

06 PROGRAMS

Discover each program’s features, workflows and supported environments.

Ebook creation & editing

Txt2Epub

Detect chapters in TXT manuscripts and create EPUBs with covers and navigation. Edit existing ebooks, enrich their metadata and append new episodes.

Not publicly releasedDetails →
Novel metadata & library

NovelMetadata-Python

Collect and search novel metadata, match it to your EPUBs and preview changes before applying them. Keep your catalog in a local database.

Not publicly releasedDetails →
EPUB & TXT reader

ApexReader

Read EPUB and TXT with scrolling, single-page or facing-page layouts. Customize typography and themes, search text and resume from saved reading positions.

Not publicly releasedDetails →
Local AI novel writing

NovelStudio

A Korean-first writing workspace for characters, world settings, chapters and scenes. Continue with local Ollama models and review generated text before applying it.

Not publicly releasedDetails →
Local activity tracking

FlowLens

Automatically track app and website usage from the Windows tray. Review your day with timelines and charts, with activity data kept on your PC.

Not publicly releasedDetails →
Speech synthesis & scripts

Voice QA Studio

Synthesize text and XLSX scripts with Supertonic TTS. Set voice, speed and pauses per speaker, then export segments, combined audio and timestamp reports.

Not publicly releasedDetails →

Actual program UIs with original fictional samples. No real books, covers or personal records are used. The programs are not publicly released yet.

ABOUT SONAMU DEV

Built from everyday needs.
Improved with care.

Sonamu Dev is a personal software project. From a comfortable reading experience to writing and audio tools, each program begins with a practical need. Clear workflows, useful details and careful handling of local data guide its development.

06Programs with individual guides
KO / ENKorean and English introductions
WindowsDesktop & local browser tools
LocalYour library, manuscripts and records
GETTING STARTED

Before you get started

Choose the right tool

Create ebooks with Txt2Epub, manage metadata with NovelMetadata, and read with ApexReader. NovelStudio helps with writing, Voice QA Studio produces audio, and FlowLens tracks your activity.

Check setup and availability

These pages introduce the programs and their supported environments. Source code and installation files are currently private. Public download information will be added when the programs are released.

PROJECT UPDATES

Follow each program’s progress.

The programs are currently being developed privately. Public releases and download information will be announced on this website when available.

Email subscriptions are not currently available.
View program guides →