Personal wiki & operational handbook for SAP enterprise landscapes: SAP S/4HANA, SAP NetWeaver, HANA DB administration, troubleshooting checklists, and Linux CLI runbooks.

DayBrief

Morning dashboard featuring hyper-local Hanoi weather (DWD ICON), market charts (Gold, Oil, Crypto), and daily links.

Bilingual (EN/VI) study platform for SHRM-CP/SCP exams with 392 flashcards and 307 test questions (175 SJT scenarios).

Digital genealogy platform for the Doan Khac clan, featuring ancestral memorial dates, lineage records, and interactive family trees.

Khac Trong Engineering

(Cơ Khí Khắc Trọng)

Precision mechanical engineering showcase and product catalog with an integrated administrative CMS.