Oracle3
Open-source trading engine and MCP server for prediction markets. Fee-aware no-arbitrage trading across related contracts, live on Kalshi, Polymarket and Solana or on paper.
Free accounting software for Windows, Mac, and Linux. Payroll, inventory, unlimited invoicing, multi-user Server Edition built into the signed installer (no Docker required). No cloud, no subscription
FinancePython · JavaScriptGitHub @VonHoltenCodesOnlineOwner unconfirmed
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Free, source-available accounting: double-entry bookkeeping, invoicing, US payroll, inventory, bank feeds - desktop app with built-in multi-user Server Edition (no Docker needed). A QuickBooks 2003 Pro replacement. No cloud, no caps.
Taken from the repository README
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A personal bookkeeping application raised from the ashes of QuickBooks 2003 Pro.
Free, source-available, and complete: double-entry accounting, unlimited
invoicing, US payroll with tamper-evident tax forms, perpetual inventory,
bank feeds, analytics — with every record in local files you control. No
cloud, no account, no telemetry, no caps, no paid tiers. Multi-user
Server Edition is built into the same signed installer — no Docker
required (Docker remains an optional path for Linux servers).
One free product, two shapes: your desktop — or the whole office from one PC.Read the full README ↗The full README is unavailable right now. Read it at the original link. The saved excerpt is shown below.
A personal bookkeeping application raised from the ashes of QuickBooks 2003 Pro.
Free, source-available, and complete: double-entry accounting, unlimited
invoicing, US payroll with tamper-evident tax forms, perpetual inventory,
bank feeds, analytics — with every record in local files you control. No
cloud, no account, no telemetry, no caps, no paid tiers. Multi-user
Server Edition is built into the same signed installer — no Docker
required (Docker remains an optional path for Linux servers).
One free product, two shapes: your desktop — or the whole office from one PC.Read the full README ↗