sole-trader

Prep-only Australian individual tax return plugin and portable skills for Codex, Claude Code, Cowork, and OpenAgentSkill: official ATO source links, GST/BAS and CGT review flags, evidence gaps, and manual myTax/paper/accountant handoff.

Open-source Making Tax Digital (MTD) tax planning and bookkeeping software for UK sole traders: deterministic Income Tax & NIC engine, CSV bank import, receipts, reconciliation, quarterly updates. Next.js · TypeScript · PostgreSQL.

Desktop invoicing for Australian sole traders — tax invoices, GST, BAS figures and ATO-standard records, entirely on your own machine. No account, no cloud.

On £40,000 of profit you pay Income Tax on everything above £12,570, plus Class 4 National Insurance at 6% between £12,570 and £50,270.

Desktop app for invoicing clients and tracking money in and out, for Windows, Linux and Mac. Follows GST, VAT or sales tax in Australia, NZ, the UK, Canada and the US. Your data stays on your own computer, with an optional phone app for snapping receipts.