Double-entry accounting & ERP for the web
- postgresql
- accounting
- billing
- web-app
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Double-entry accounting & ERP for the web
Trady is a handy library for computing technical indicators, and it targets to be an automated trading system that provides stock data feeding, indicator computing, strategy building and automatic trading. It is built based on .NET Standard 2.0.
Countries - ISO-639, ISO-3166 countries codes with subdivisions and names, ISO-4217 currency designators, ITU-T E.164 IDD phone codes, countries capitals, UN M.49 codes, IANA ccTLD countries domains, FIPS, IOC/NOC and FIFA codes, VERY VERY FAST, compatible with Databases/JSON/BSON/GOB/XML/CSV, Emoji countries flags and currencies, Unicode CLDR.
Hyperliquid trading desk for AI agents: 7 roles, 17 skills and keyless market tools. Research first; execution requires your API wallet and approved tickets. Grok Bot, Claude Code, Cursor, Codex, Gemini CLI and Grok Build.
Free invoice builder & GST billing software for India. Make GST invoices, quotations, bills of supply and credit notes as PDF; GSTR-1/3B reports. Free invoice maker for shops, freelancers & small businesses. Free Tally alternative: open source, 100% offline, no signup, no limits.
Self-hosted alternative to Claude and ChatGPT Personal Finance. An AI agent that manages your budget and investments, and can place trades.
Selbst gehostete Buchhaltung für Freiberufler, Selbstständige, Kleinunternehmer, GmbH und UG: E-Rechnung (ZUGFeRD, XRechnung), Belege, Bankabgleich, EÜR oder Bilanz, E-Bilanz und Steuererklärungen an ELSTER. Für die GoBD gebaut, DATEV-Export. Open-Source-Alternative zu Lexware Office (lexoffice) und sevDesk. Docker-Image für den eigenen Server.
💸 Lightweight currency conversion library, successor of money.js
Invoicing for freelancers & small businesses
Family Accounting Tool
Predicts how news-driven supply-chain shocks ripple across S&P 500 stocks, with an event-study backtest and a hash-chained public prediction ledger. Built on MIT open-source SEC supply-graph code.
Web-based software to manage a non-profit food coop (product catalog, ordering, accounting, job scheduling).
Get rich, or die codin'
MyFin Budget - Web frontend for the personal finances platform that'll help you budget, keep track of your income/spending and forecast your financial future.
Every day, millions of traders around the world are trying to make money by trading stocks. These days, physical traders are also being replaced by automated trading robots. Algorithmic trading market has experienced significant growth rate and large number of firms are using it. I have tried to build a Deep Q-learning reinforcement agent model to do automated stock trading.
Self-hosted restaurant POS with tables, kitchen display, reservations, QR ordering, loyalty and local-network operation.
Rails 8 app template: Devise auth, Stripe billing, Tailwind CSS, admin panel, SEO helpers, etc
Local-first, privacy-focused open-source banking app for macOS and iOS (FinTS/HBCI, PSD2, SEPA) built with Rust, SwiftUI & SQLCipher
Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
Personal Expense Manager -- UWP (+ Blazor) and CQRS+ES.
Translated研迹 Trail (Yanji, "research trail"): a local-first AI investment research workbench. Connects market quotes, candlestick charts, and deep research, so that judgments are traceable and risks can be reviewed. Local-first AI investment research desktop with an evidence-grounded copilot.
Passive market-making bot for Predict.fun: quotes from live order books, replaces stale orders and cancels on unsafe price/depth; Windows desktop app and web console for Ubuntu servers.
Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
Free open source order flow screener for spot and perpetual trade orders.