From the core,
a wave of value.

Centide is a one-person software studio. Rather than showing off technology, it explores how AI can genuinely help people. Right now it's getting MaruLog ready.

// products

2026

MaruLog

open testing

An AI emotion journal you can write in 33 languages

Jot down how a day felt in a line or two, and it hands back the texture of that day. The Android app and the web version are both open for testing now.

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// now

2026.10

›MaruLog — an AI emotion journal, now in open testing on Android and the web (33 languages since 0.5.0)
›Sketching a fun, playful next tool built with AI

// notices

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2026.09.29MaruLog 비공개 테스트 종료 안내KONEW

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