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Sako

We're a small self-funded team creating contents and tools
that help you fall in love with learning again.

Satellite
Annotation
BelajarGPT
AI learning community
@williamjakfar
Meta learning & productivity media
Project Feynman
Learning while teaching
Project Roman
Understand human psychology
Experiments
Annotation
Project Shandora
Can AI learn in real time finance data?

Our Team

William Jakfar

CEO

Aliya Lutfiah

Customer Support

ChatGPT, Claude, Gemini

AI Support

We're hiring. Join the learning engineers →