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SlowBooks Pro

@SlowBooksPro

Double-entry accounting. Self Hosted. Free forever. Bring your AI.

slowbookspro.com
Joined February 2015
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Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)Photo by SlowBooks Pro (@SlowBooksPro)
No banner across the top of your books. No usage telemetry. No account to sign into. The software does not know you exist, which is the correct amount for accounting software to know about you.
A cream card reading 'Nobody is upselling you inside your own ledger.'

ALT A cream card reading 'Nobody is upselling you inside your own ledger.'

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SlowBooks Pro 2.31 won't let an invoice get paid twice — the payment screen only ever lists what's still open, and the API refuses an allocation that exceeds the balance outright. slowbookspro.com
The Record Payment screen in SlowBooks Pro, magnified on the Apply to Invoices table listing only the one invoice still open.

ALT The Record Payment screen in SlowBooks Pro, magnified on the Apply to Invoices table listing only the one invoice still open.

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Class and job tracking now reach the register and transfers directly in SlowBooks Pro 2.31 — tag it the moment the money moves, not on a month-end cleanup pass. slowbookspro.com
A register quick-entry row in SlowBooks Pro, magnified on the Class dropdown set to Commercial beside the category and amount.

ALT A register quick-entry row in SlowBooks Pro, magnified on the Class dropdown set to Commercial beside the category and amount.

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Invoice and bill lines reorder in place in SlowBooks Pro 2.31 — one click moves a line, the total doesn't flinch. slowbookspro.com
A before-and-after of an invoice's line items in SlowBooks Pro, stacked, showing one line moved down by one click.

ALT A before-and-after of an invoice's line items in SlowBooks Pro, stacked, showing one line moved down by one click.

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A split expense in SlowBooks Pro 2.31: as many accounts as one purchase actually touched, with Left to assign counting down to $0.00 live as you go. slowbookspro.com
The Enter Expense form in SlowBooks Pro, magnified on the two line amounts and the totals block where 'Left to assign' reads $0.00.

ALT The Enter Expense form in SlowBooks Pro, magnified on the two line amounts and the totals block where 'Left to assign' reads $0.00.

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Payment terms in SlowBooks Pro 2.31 are one list, each showing exactly how many invoices, bills and contacts use it — and a term already saved on a document keeps the rule it was saved under. slowbookspro.com
The Payment Terms table in SlowBooks Pro Settings, magnified on five terms with their rules and usage counts.

ALT The Payment Terms table in SlowBooks Pro Settings, magnified on five terms with their rules and usage counts.

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Sub-customers in SlowBooks Pro 2.31: invoiced and paid on their own, but roll up to the parent's balance and aging, and can bill with the parent's statement. slowbookspro.com
The Customers list in SlowBooks Pro showing a sub-customer indented under its parent, marked Billed With Parent, with a combined balance.

ALT The Customers list in SlowBooks Pro showing a sub-customer indented under its parent, marked Billed With Parent, with a combined balance.

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A memorized journal entry in SlowBooks Pro 2.31 enters itself on schedule — remind mode waits for a yes, auto-enter needs nobody, and still catches up every missed date in order. slowbookspro.com
The Memorized Transactions list in SlowBooks Pro showing one active monthly depreciation accrual schedule.

ALT The Memorized Transactions list in SlowBooks Pro showing one active monthly depreciation accrual schedule.

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Type + after a number in any amount box in SlowBooks Pro 2.31 and a calculator tape opens right there — keep adding, press Enter and the total lands in the field. slowbookspro.com
An amount field in SlowBooks Pro with a calculator tape popup showing 612.40 + 88.60 = 701.00.

ALT An amount field in SlowBooks Pro with a calculator tape popup showing 612.40 + 88.60 = 701.00.

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The WIP Schedule in SlowBooks Pro 2.30 compares earned to billed across every job and hands you the adjusting entry — under-billed $24,400 on one real job here — without posting a thing until you say so. slowbookspro.com
The WIP Schedule report in SlowBooks Pro, showing one job 100% complete and $24,400 under-billed, with the ready-to-post adjusting journal entry below it.

ALT The WIP Schedule report in SlowBooks Pro, showing one job 100% complete and $24,400 under-billed, with the ready-to-post adjusting journal entry below it.

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Approve a pay application in SlowBooks Pro 2.30 and it holds retainage automatically — $22,843.20 earned, $2,284.32 (10%) held back, $20,558.88 actually due — then creates the real invoice for exactly that. slowbookspro.com
A Pay Application in SlowBooks Pro, approved, showing this period's billed amount, retainage withheld, and the net amount due, linked to a real invoice.

ALT A Pay Application in SlowBooks Pro, approved, showing this period's billed amount, retainage withheld, and the net amount due, linked to a real invoice.

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Each subcontract in SlowBooks Pro 2.30 carries its own retainage, and the buyout page flags a missing W-9 or certificate of insurance right next to the dollar amount — not a separate screen you have to remember to check. slowbookspro.com
The Buyout tab for a construction job in SlowBooks Pro, showing a subcontract with retainage held and W-9/COI compliance warnings.

ALT The Buyout tab for a construction job in SlowBooks Pro, showing a subcontract with retainage held and W-9/COI compliance warnings.

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Two bills, same vendor, same bill number — SlowBooks Pro refuses the save and names the exact bill it collides with, right in the error. A different vendor can reuse that number freely. slowbookspro.com
The Enter Bill form in SlowBooks Pro with an error toast reading: Bill number already exists for this vendor, naming the colliding bill.

ALT The Enter Bill form in SlowBooks Pro with an error toast reading: Bill number already exists for this vendor, naming the colliding bill.

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The turtle needs you. SlowBooks Pro is free, source-available bookkeeping software looking for mascot art, app icons, videos and social posts. Keep your work, get credited, no money either way: github.com/VonHoltenCodes/Sl…
A call for artist contributions featuring the SlowBooks Pro turtle mascot, inviting submissions of mascot art, icons, videos and social posts.

ALT A call for artist contributions featuring the SlowBooks Pro turtle mascot, inviting submissions of mascot art, icons, videos and social posts.

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An employee's work state and residence state are tracked separately in SlowBooks Pro, alongside the actual 2020+ federal W-4 fields — multiple jobs, dependents, extra withholding — not a single flattened allowance count. slowbookspro.com
An employee detail panel in SlowBooks Pro showing separate Work State and Residence State fields alongside State W-4 allowances.

ALT An employee detail panel in SlowBooks Pro showing separate Work State and Residence State fields alongside State W-4 allowances.

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Benefits in SlowBooks Pro are coded rules, not checkboxes: pre-tax codes apply in sequence, each changing the taxable base for the next, and a processed pay run keeps the rate it actually used. slowbookspro.com
The Benefits & Deductions page in SlowBooks Pro listing nine benefit codes — health premiums, HSA, 401(k), union dues, garnishable loan repayment — with their pre-tax/post-tax rules.

ALT The Benefits & Deductions page in SlowBooks Pro listing nine benefit codes — health premiums, HSA, 401(k), union dues, garnishable loan repayment — with their pre-tax/post-tax rules.

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"Compare to same period last year" — one checkbox on the P&L and Balance Sheet adds a prior-year column with $ and % change, and a prior-year number still drills into its own transactions. slowbookspro.com
A Profit and Loss report in SlowBooks Pro with a prior-year comparison column showing dollar and percent change.

ALT A Profit and Loss report in SlowBooks Pro with a prior-year comparison column showing dollar and percent change.

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A supplier credit in SlowBooks Pro: issue it against the original bill, apply it the next time you pay that vendor, and the balance remaining is always current — no side note to remember it by. slowbookspro.com
The Vendor Credits list in SlowBooks Pro, showing one issued credit with its total and remaining balance.

ALT The Vendor Credits list in SlowBooks Pro, showing one issued credit with its total and remaining balance.

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This is our best attempt at a mascot so far. We clearly need help. Draw the turtle, make a video, design an icon — keep your work, get credited, no money either way: github.com/VonHoltenCodes/Sl…
A self-deprecating card showing SlowBooks Pro's first, rough, programmer-made turtle mascot, captioned 'This is our best attempt so far,' inviting artists to contribute.

ALT A self-deprecating card showing SlowBooks Pro's first, rough, programmer-made turtle mascot, captioned 'This is our best attempt so far,' inviting artists to contribute.

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A foreign-currency bill in SlowBooks Pro keeps its own currency and rate, but posts to the ledger in USD at that bill's rate — not a rate that drifts if you check back later. slowbookspro.com
The Edit Bill screen in SlowBooks Pro showing Currency set to EUR and an Exchange Rate field, for a bill from an Austrian supplier.

ALT The Edit Bill screen in SlowBooks Pro showing Currency set to EUR and an Exchange Rate field, for a bill from an Austrian supplier.

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A SlowBooks Pro API token can be allowed to make, list and download backups — for an import tool that backs up before it writes. It still can never restore one; that stays with a signed-in admin. slowbookspro.com
The API Tokens section of SlowBooks Pro Settings, showing one token with the Backups permission checked.

ALT The API Tokens section of SlowBooks Pro Settings, showing one token with the Backups permission checked.

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