SOVEREIGN TOOLS
Offline desktop tools by Light in the Dark Solutions
No internetNo accountsNo trackingOne-time buy
Your data never leaves your computer. Each tool runs entirely on your own machine — no cloud, no subscription, no telemetry. You need Python 3.10+ (free). Windows and Mac: nothing else to install. Linux: one extra package (Tkinter) — the guide is in the download. Buy once, use forever.
Sovereign Stock
Offline inventory / stock tracker
- Import your spreadsheet, track items & value
- Search, add, edit, export
- Offline HTML reports
€19
Buy StockSovereign Ledger
Offline expense / ledger tool
- Dated entries, debit/credit, running balance
- Search, add, edit, export
- Offline HTML statements
€19
Buy LedgerSovereign Lens
Offline CSV / log analyzer
- Ingest any CSV or log file
- Per-column stats, auto number/text detection
- Offline HTML analysis reports
€19
Buy LensSovereign Invoice
Offline invoicing & unpaid tracker
- Invoices with VAT lines, totals calculated for you
- See instantly who still owes you
- Printable invoice / PDF, monthly VAT summary
€29
Buy InvoiceSovereign Tally
Offline billable time tracker
- Start / stop timer, or type the hours
- Rate per client, earnings calculated for you
- See exactly what you have not invoiced yet
€29
Buy TallySovereign Reckon
Offline quote & estimate builder
- Build quotes line by line, reuse your price list
- See your real profit margin before you send it
- Clean client quote — your costs stay private
€29
Buy ReckonSovereign Renewal
Offline contract & renewal watcher
- Works out the exact date you must cancel by
- Warns you before the notice window closes
- Your true annual cost, in one line
€29
Buy RenewalStarter Bundle
Stock + Ledger + Lens together
- The three data tools: inventory, ledger, CSV analysis
- One download, one payment
- Save €18 against buying them separately
€39
Buy Bundle