Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
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Usage-based pricing and billing for developers 🔓 Cloud or self-hosted ⚙️ No-code UI 💰 Realtime usage metering 🎟 Credits & top-ups 🔑 Control feature access
- billing
- clickhouse
- events
- go
Track stocks, crypto, and derivatives prices and positions in real time from your terminal
- terminal
- stocks
- financial-markets
- terminal-app
Paisa – Personal Finance Manager. https://paisa.fyi demo: https://demo.paisa.fyi
- ledger
- ledger-cli
- personal-finance
- visualization
Open-source AI trading arena. A full reproduction of NOF1 Alpha Arena for running and comparing LLM agents.
Go implementation of Fowler's Money pattern
- fowler-money-pattern
- currency
- money
- money-library
monetr is a budgeting application focused on planning for recurring expenses.
ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is available.
- ach
- automated-clearing-house
- money
- golang-library
Matching Engine for Limit Order Book in Golang
- exchange
- trading
- orderbook
- execution-engine
Pocketbase extention built in Go with stripe webhooks currently in use at sign365.com.au and fastpocket.dev
- go
- golang
- pocketbase
- stripe
Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
- golang
- fintech
SaaS boilerplate/starter-kit in Go+React with Stripe integration, multi-tenant support, comprehensive features and AI-agent ready
- ai-agents
- go
- golang
- mcp-server
Building a population of models that trade crypto and mutate iteratively
- trading-bot
- bitcoin
- neuroevolution
- reinforcement-learning
A terminal application to watch crypto prices!
- cryptocurrency
- bitcoin
- ethereum
- cryptocurrency-exchanges
Complete, dependency-free Go client for the YNAB API — 44 operations, exact integer money, first-class delta sync, contract-tested. Unofficial.
- ynab
- ynab-api
- golang
- go
A currency computations package.
- go-library
- currency
- go-package
- currency-computations
Official CoinPaprika API Go client — coin prices, tickers, OHLCV, exchanges, and global market stats.
- api-client
- bitcoin
- blockchain
- coinpaprika
Robust Ninjatrader Bot 2026: complete standalone setup, community-driven, feature-rich
- automation
- desktop
- developer-tools
- ninjatrader
Finance related Go functions (e.g. exchange rates, VAT number checking, …)
- golang
- vat-number
- vat-validation
- vat-validator
Wisp CLI — Interactive trading platform for backtesting and live trading across spot, perpetual futures, options, and prediction markets
A comprehensive, zero-dependency Go SDK for the Paystack API
- api-client
- context-aware
- fintech
- go
Golang SDK for Dusupay payment gateway API (Unofficial)
- golang
- api
- api-client
- sdk
Fasapay payment gateway XML API Client for Go (Unofficial)
- api
- golang
- sdk
- api-client