The best alternatives to Gmax CRM Open Source are Paddle, Everhour, and Akaunting. If these 3 options don't work for you, we've listed a few more alternatives below.
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Intercom for Startups— Advanced AI-powered features at a 90% discount
Paddle is the All-in-One SaaS Commerce platform. Paddle unifies payments, subscription and billing management, manual invoicing, sales tax and financial compliance, fraud, and more with a unified tool that grows with you.
Time tracking software equipped with budgeting, scheduling, expenses tracking and flexible reports. Works inside Asana, Trello, Basecamp, JIRA and more.
Akaunting is a free, open-source, and online accounting software for small businesses and freelancers. From invoicing to expense tracking to accounting, Akaunting has all the tools to manage your money online.
We have created this free invoicing software for anyone to use, to create invoices on the spot for free. Free forever, no tiers, credit cards. We also have free templates in Word and Excel you can download if you don't want to create an account.