Billing & Automation Tools

IHateMoney is a self-hosted web application for managing shared expenses and group budgets with ease.

Indico automates billing and accounts payable workflows by extracting data from invoices and purchase orders using AI.

A collaborative tool for mapping and sharing book collections with friends and communities.

Open source inventory management and production tracking system for small businesses and makers.

An open source invoicing platform for freelancers and small businesses that can be self-hosted or used via the cloud.

A free, self-hosted invoicing application for small businesses and freelancers.

InvoiceShelf is a self-hosted invoicing and expense tracking application for freelancers and small businesses.

Open source IT documentation, ticketing, and billing platform for small MSPs.

A web-based helpdesk system for tracking support tickets with built-in billing automation via invoicing integration.

Kestra is an open-source orchestration platform for scheduling, automating, and monitoring complex workflows across any stack.

Kibitzr is a lightweight change detection and notification tool that watches web pages and files for updates.

Kill Bill is an open source billing and payment platform that handles subscription management, invoicing, and payment orchestration.

Krayin is an open source CRM built on Laravel that includes billing and invoicing features for small to medium businesses.

Kresus is an open-source personal finance manager that automatically syncs with your bank accounts to track spending and budgets.

Open-source billing platform for usage-based and subscription-based businesses.

Open source double-entry accounting and ERP system with billing, invoicing, and financial reporting for small to midsize businesses.

An open-source AI assistant that automates tasks, including billing workflows, via extensible plugins.

Open source web-based booking and scheduling system for shared resources like rooms, equipment, and services.

An open source customer support desk and ticketing system with a focus on simplicity and self-hosting.

Open-source web-based bug tracker for software development teams.