Tag: macOS
Articles tagged macOS on the Hello Tham blog — 2 articles.
FinvestLens 1.0: 56,000 lines of accounting software in fourteen days
FinvestLens 1.0: 56,000 lines of accounting software in fourteen days
Mon Jul 27 2026Chris Tham
A native Apple double-entry accounting app, verified against a real 46,000-transaction GnuCash book to the cent — built from a single-sentence prompt, with the agent drafting its own specifications. What the method got right, and what real data found that no test suite would.
HelloNotes 1.0: a Markdown knowledge base that is actually a Mac app
HelloNotes 1.0: a Markdown knowledge base that is actually a Mac app
Mon Jul 27 2026Chris Tham
Fifteen days, 220 commits and 32,000 lines of Swift — a local-first knowledge base whose database is a folder, built from a single-sentence prompt. What the method got right, and the four traps that ate real hours.