Side projects
Side projects by Vu Minh Hoa: what each one does, what it is built with, and write-ups on how it works.
7 projects
2026
Financial Plan: a local-first budgeting app
A local-first budgeting PWA: data lives on the device and works offline, syncs both ways between devices in a single request, and every change lands in a PostgreSQL audit log where a quiet edit gets caught.
FastifyPostgreSQLIndexedDB4 write-ups
2026
MacSentry: Mac security alerts on Telegram
An open-source macOS monitor in Swift: a root daemon, an Endpoint Security helper and a menu bar app that report remote access, persistence and tampering to Telegram before anyone can clean up.
SwiftmacOSEndpoint Security3 write-ups
2026
AI news trend tracker
Pulls about 95 Vietnamese news feeds, groups articles into topics, tracks which topics are rising or fading, and uses an LLM to summarize what is driving each one.
BunSQLiteEmbeddings1 write-up
2026
Personal OS: days planned around anchors
A PWA that plans each day around fixed anchors like morning, noon and evening. Data is offline-first in RxDB, syncs with a Spring Boot and PostgreSQL backend, and reaches other devices in real time over SSE and Redis Pub/Sub.
Spring BootPostgreSQLSSE4 write-ups
2025 – Present
Homelab: hosting side projects & monitoring
A self-hosted server running the backends of several of my projects, with Grafana and Loki for logs and monitoring.
DockerCloudflare TunnelPrometheus1 write-up
Mar 2024 – Jul 2024
Hospital supplies management
A platform for managing procurement and bidding for hospital supplies.
Node.jsSequelizeMySQL1 write-up
Jan 2024 – Mar 2024
E2EE chat
A chat app with end-to-end encryption, so only the people in a conversation can read its messages.
ReactFastifySocket.IO1 write-up