47,133 repositories indexed
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Oracle3: open-source trading engine and MCP server for prediction markets. Finds fee-adjusted no-arbitrage violations across related event contracts and trades them live on Kalshi, Polymarket and Solana, or on paper, under pre-trade risk limits. 13 MCP tools, JSON CLI, agent skills, 600+ tests.
Matching Engine for Limit Order Book in Golang
A composable, real time, market data and trade execution toolkit. Built with Elixir, runs on the Erlang virtual machine
Invoicing for freelancers & small businesses
Pocketbase extention built in Go with stripe webhooks currently in use at sign365.com.au and fastpocket.dev
Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
SaaS boilerplate/starter-kit in Go+React with Stripe integration, multi-tenant support, comprehensive features and AI-agent ready
A terminal application to watch crypto prices!
Go middleware for monetizing your API on a per-request basis with Bitcoin and Lightning ⚡️
McValue Mate — Budget-aware meal planning powered by McDonald's China MCP.
Golang library for querying and parsing OFX
From Idea to Execution - Manage your trading operation across a distributed cluster
TranslatedA nutrition-pairing tool based on McDonald's China's official MCP: it expands each combo item by item to get official nutrition and official pricing, marks the price source of every amount, and honestly labels anything it cannot retrieve as "unknown" instead of filling in 0. Runs offline, no Token needed. Does not provide ordering capability.
Yaffa is a personal finance web application, focusing on the support of long term financial planning.
Web application to manage CSA (Community Supported Agriculture), ACP (Agriculture Contractuelle de Proximité) or Solawi (Solidarische Landwirtschaft) organizations.
Complete, dependency-free Go client for the YNAB API — 44 operations, exact integer money, first-class delta sync, contract-tested. Unofficial.
A currency computations package.
Correctly rounded monetary amounts and exchange rates for Go
Official CoinPaprika API Go client — coin prices, tickers, OHLCV, exchanges, and global market stats.
Cashier is an Elixir library that aims to be an easy to use payment gateway, whilst offering the fault tolerance and scalability benefits of being built on top of Erlang/OTP
:money_with_wings: PayPal REST API client for the Elixir language (elixir-lang)
Fixed-Point Decimal Money
Finance related Go functions (e.g. exchange rates, VAT number checking, …)
Self-hostable expense-splitter on the web.