Free local no account
Free tools you'll actually come back to.
Small utilities for the operational work of running a company. No account, no AI doing arithmetic, nothing leaves your browser. Use them for free, forever.
Decision Inbox
What am I putting off?
Capture the calls that need making, give each a date and what's at stake, see what's overdue, and keep what you decided and why.
Open — no account →Subscriptions & renewals
Where is my money going?
Every subscription's real monthly and yearly cost, when it renews, the last day to cancel, and which prices went up.
Open — no account →Invoice follow-up
Who owes me money?
Unpaid invoices by how late they are, when to chase each one next, and a polite reminder written for you to send.
Open — no account →Runway calculator
How long can I survive?
Months of cash left at today's burn, and what a price change does to MRR and runway.
Open — no account →Burn rate calculator
Am I default alive?
Gross and net burn, months of runway, and whether your growth makes you profitable before the cash runs out.
Open — no account →Churn rate calculator
How many customers am I losing?
Customer churn, revenue churn and net revenue retention, and what this month's rate means over a year.
Open — no account →LTV : CAC calculator
Is each customer worth what I pay for them?
Lifetime value, your LTV to CAC ratio, and how many months it takes to earn acquisition cost back.
Open — no account →Break-even calculator
How many customers until I break even?
The customers and MRR you need to cover fixed costs, how far away you are, and your profit today.
Open — no account →Free utilities
See what's happening.
Totals, renewals, deadlines, overdue items and exports. Plain, exact software that runs on your device and works the same whether or not you ever pay.
Sjo, your AI executive
Decide what to do about it.
Sjo connects the numbers across tools with your runway, your rules and your past decisions. It works out every option, tells you what it would do and why, remembers what you chose, and watches whether it worked.
Your data lives in this browser's storage. It survives closing the tab, but clearing site data, a private window or switching devices loses it — each tool has a one-click backup and CSV export.