The best open source alternative to PayPal is Zoneless. If that doesn't suit you, our users have ranked more than 100 alternatives to PayPal and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to PayPal are Open Collective, GNU Taler, DASH and Knit Pay.
Open-source Stripe alternative for stablecoins. Checkout, subscriptions, and marketplace payouts. Stripe-compatible API. Your very own payments stack with no fees.
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Open Collective is a legal and financial toolbox for groups. It’s a fundraising + legal status + money management platform for your community.
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GNU Taler is a privacy-preserving payment system. Customers can stay anonymous, but merchants can not hide their income through payments with GNU Taler. This helps to avoid tax evasion and money laundering.
DASH is an open source peer-to-peer cryptocurrency that uses a system called Darksend to add privacy to transactions.
One plugin to integrate various Payment Gateways like Instamojo, Razorpay, Cashfree, Easebuzz, etc with WordPress plugins like WooCommerce, Easy Digital Downloads, Paid Memberships Pro, Learn Press, Give, Ninja Forms, Tourmaster, Memberpress, etc.
GroestlCoin (GRS) is a peer-to-peer Internet cryptocurrency utilizing the Groestl algorithm that enables instant payments to anyone in the world. GroestlCoin makes efficient mining possible for EVERYBODY who wants to mine – whether on an old CPU or a new GPU.
Don't waste time collecting payments manually, enjoy Subscribie automatically collecting payments, generating invoices and automatically retrying failed payments. Your Subscribers can log in to update their payment details, so the work is minimal for you.
Make fundraising easier by using the world’s most accessible and intuitive software. CommitChange is built to be used by people of all technical skill levels, without compromising on features. You can jump in and start fundraising in minutes, without needing special skills or...
Houdini is an all-in-one fundraising platform developed in Ruby on Rails. It’s licensed under AGPL/LGPL and is available, without cost, to anyone in the world. Houdini allows you to quickly build and deploy anything from simple donation forms for individual nonprofits, to fully...
If you want to sell digital content online, there's plenty of options out there. However, if you want to sell digital content online without violating your users' privacy in the process, you'll have a much harder time finding a suitable program.
CryptoCRIT is an open-source Cryptocurrency project which facilitates a Cryptocurrency wallet for making payments. The associated Cryptocurrency is called CritCoin.
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