Freelance OS - your freelance back office, done by conversation Spreadsheet people get ClientOS. This one is for people who would rather talk. Freelance OS is eight Claude Code commands that run your freelance admin: /invoice turns billable work into a numbered invoice plus its covering email and logs it, /chase writes the awkward payment follow-up you keep postponing, /weekly tells you what is owed and who needs a nudge. Your data lives in plain markdown files you own. No app, no login, no subscription - commands and ledgers. What is inside - the eight commands /invoice - the work becomes a numbered invoice and a short covering email, and the ledger gets its row, in one pass. The next number follows from the last; you do not think about it again. /chase - the payment follow-up, with tone that matches the days overdue: warm at 3, firm at 30. It reads the ledger, so it knows exactly how l
Watch it work - the real flow, no sound needed:
Long answers to the job this file does: What Claude Code can actually do for a freelancer's admin · How to raise your freelance rates without losing clients.