The OS for your personal finances

Firefly III: a personal finances manager

A local-first personal finance app

An open source payments switch written in Rust to make payments fast, reliable and affordable

A source-available invoice, quote, project and time-tracking app built with Laravel

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

Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.

Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍

Open-Source Subscription Billing & Payments Platform

Open source crypto trading bot

💵 Bigcapital is financial accounting with intelligent reporting for faster decision-making, an open-source alternative to Quickbooks, Xero, etc.

A self-hosted open source application for managing your invoices, clients and payments.

Fava - web interface for Beancount

A simple shared budget manager web application

Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.

OpenBudgeteer is a budgeting app based on the Bucket Budgeting Principle

Open Source Invoicing Solution for Individuals & Businesses

Simple and elegant invoicing solution.

REI3 - Free and open low code