Aertic

my journey

The path from first commit to full ecosystem.

Every project, every late-night refactor, everything I shipped and everything I scrapped.

project01

Expyra

Cross-platform Flutter app

A personal finance app for Android, iOS, macOS, Windows, Linux, and web from a single Flutter codebase. Handles automatic transaction capture, budgets, multi-currency support, and biometric security.

  • 6 platforms from 1 codebase
  • Biometric/PIN lock
  • Cloud sync
FlutterRiverpodDriftSQLite
2026
2025
project02

AirSense

macOS fan control and temp monitoring

A native macOS menu-bar app that reads hardware temperature sensors and controls system fans via the Apple SMC. Built with Swift and a custom C IOKit library. No third-party dependencies. Ships with a companion CLI tool for direct SMC access.

  • Interactive fan curve editor
  • Real-time sensor monitoring
  • Privileged helper tool
SwiftCAppKitIOKitSMC
milestone03

Polar Lab Platform Launch

Ecosystem hub goes live

Launched polarlab.app as the central hub for the Polar Lab ecosystem. Built with Next.js 16 and React 19, it ties together user accounts, OAuth2, Stripe subscriptions, a blog, support tickets, and a Discord guild management dashboard.

  • Dual-database MongoDB layer
  • Stripe subscriptions
  • Full Discord integration
Next.js 16React 19MongoDBStripeOAuth2
2025
2024
project04

Polarfin

Jellyfin client for every device

A full-featured Jellyfin media client for Windows, macOS, Linux, Android, and iOS. Supports SyncPlay watch parties, casting, Jellyseerr requests, and offline playback with cloud sync through the Polar Lab backend.

  • 5 platform support
  • SyncPlay watch parties
  • Offline playback
TypeScriptJellyfinSyncPlayOffline-first
project05

Polar Lab Docs

Custom documentation platform

A from-scratch documentation platform using Next.js App Router, MongoDB-stored documents, and a role-gated in-browser editor. Auth runs on OAuth2 + PKCE against the Polar API with a hardened CSP and a WebGL landing page.

  • Custom document editor
  • Role-gated access
  • WebGL landing page
Next.js 16React 19MongoDBOAuth2 + PKCEWebGL
2024
2024
project06

Polar Link

URL shortening service

A URL shortener at plnk.cloud with a unique slug scheme, password protection, country allow-lists, expiration dates, OG metadata, QR codes, and click analytics through PostHog.

  • Per-link security options
  • QR code generation
  • Analytics pipeline
Next.js 16MongoDBOAuth2 + PKCEPostHog
work07

Polaris V3

Modular Discord bot

A modular, sharded Discord bot with moderation, music, economy, leveling, and utility. Uses MongoDB for data, Redis for shared state, and Lavalink for audio. Designed to scale horizontally across shards.

  • Horizontal sharding
  • Real-time moderation
  • Music engine
TypeScriptdiscord.jsMongoDBRedisLavalink
2023
2023
project08

Polar Lab CDN

Self-hosted content delivery

A self-hosted CDN serving images, documents, fonts, audio, and video with on-the-fly Sharp resizing, WebP conversion, immutable caching, and a hardened CSP. Each user gets 500 MB of quota with a file management dashboard.

  • On-the-fly image transforms
  • Immutable caching
  • 500 MB user quota
Next.js 16SharpMongoDBOAuth2 + PKCE
milestone09

Started Building Polar Lab

The beginning of the ecosystem

Set out to build a collection of open-source services. What started as a Discord bot grew into a full ecosystem spanning media, finance, documentation, and infrastructure.

  • Ecosystem vision
  • Open-source first
  • Modular architecture
TypeScriptNext.jsReact
2023