Open-source alternatives to popular software
OSS Alternatives covers a small number of proprietary tools in depth rather than a large, shallow directory. Each page below ranks genuinely open-source alternatives by GitHub activity and spells out license, self-hosting, and pricing so you can pick one with confidence.
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Ecommerce alternatives
Adobe Commerce
Enterprise ecommerce platform
7 alternatives
Kajabi
Platform for selling courses and memberships
4 alternatives
PayPal Braintree
Payment gateway and processing platform
3 alternatives
Magento
Ecommerce platform for enterprise stores
9 alternatives
Dodo Payments
Merchant of record and payments for digital products
2 alternatives
Lemon Squeezy
Merchant of record for digital products and SaaS
2 alternatives
PartnerStack
Partner and affiliate program management
1 alternative
WooCommerce
Ecommerce plugin for WordPress
7 alternatives
Eventbrite
Event ticketing and discovery platform
3 alternatives
Affonso
Affiliate program platform for SaaS founders
1 alternative
Stripe
Payment processing and billing platform for online businesses
2 alternatives
BigCommerce
Hosted SaaS ecommerce platform for online stores
9 alternatives
Stripe Billing
Subscription billing, usage-based pricing, and invoicing on Stripe
10 alternatives
Shopify
Ecommerce platform
9 alternatives