Repository Index

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

• billing
• fintech
• invoices
• payments

The programmable open source core ledger for fintech

• ledger

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

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

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

Correctly rounded monetary amounts and exchange rates for Go

• currency
• decimal
• exchange-rate
• financial

Fixed-Point Decimal Money

• go
• golang
• benchmarks
• encoding

Wisp CLI — Interactive trading platform for backtesting and live trading across spot, perpetual futures, options, and prediction markets

• algorithmic-trading
• cryptocurrency
• event-driven
• go

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