Realistic synthetic business datasets for developers, QA teams, consultants, and educators. Our datasets are generated by simulating real business operations day-by-day — not faked with random data generators. 42 tables, 83K+ rows, double-entry accounting, full relational integrity. Available in Australian (GST/BAS/PAYG) and US (IRS/FICA) compliance variants. CSV, SQL, Parquet, and SQLite formats.