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Krayin

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

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About Krayin

Krayin is a free and open source customer relationship management tool written in PHP using the Laravel framework. It handles contacts, leads, deals, and pipelines but also comes with built-in invoicing and billing automation. You can create quotes, convert them to invoices, track payments, and manage tax rates all from one interface.

The software supports multiple currencies, customizable email templates, and role-based access for teams. It integrates with mail services like SMTP and Sendmail, and you can extend it through Laravel packages. Krayin runs on Linux servers with PHP 8.0+ and MySQL or PostgreSQL. The project is maintained by Webkul, the same company behind Bagisto and other open source ecommerce tools.

Krayin is ideal for freelancers, agencies, and small businesses that want a self-hosted CRM with billing capabilities without paying per user. The code is MIT licensed and available on GitHub. There is no cloud version, so you need your own server or a VPS to deploy it.
Billing & Automation

Quick Facts

Pricing
Free
License
Open Source
Platform
Linux
Version
1.2.4
Developer
Webkul

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