PayPanther alternative

Using Bitrix24 as free PayPanther alternative

PayPanther is a popular web base contact management, CRM and invoicing solution targeting freelancers. In comes with a number handy features ranging from time tracking to expense logging. Basic project and document management is available as well. Bitrix24 is a free PayPanther alternative that lets you chose between cloud and on premise (self hosted) deployment, provides access to source code and comes this a number of collaboration tools that aren't available in PayPanther. Please see this chart to decide if Bitrix24 is what you've been looking for:

2,000,000+
organizations
are already using Bitrix24