https://woocommerce.com/products/all-products-for-woocommerce-subscriptions/

Add subscription plans to existing productsOffer subscription plans in the cartAdd products and carts to existing subscriptionsOffer configurable subscription boxes

https://woocommerce.com/products/woocommerce-freshdesk/

Create a new ticket when viewing an order in the WordPress adminCreate a new ticket from a blog post comment, directly from the WordPress adminConnect and synchronize a product with a forum category and solution category within your Freshdesk helpdesk

https://woocommerce.com/products/woocommerce-drip/

Goal Conversion: A conversion goal will (optionally) be achieved in your Drip account.Event Recorded: An event for the sale will be recorded in the subscriber’s history.Lifetime Value: The lifetime value of the subscriber will be updated, so you can see how much value these customers have been, not just in one order but all of the orders they’ve made.Subscriber Name: The name custom field will be updated with the subscriber’s name used during checkout.Subscriber Tag: The subscriber will be given a tag of Customer, so you can easily see which subscribers are actually customers.Purchased Products: The products purchased by a user are recorded too, so you can target broadcasts and campaigns at certain product owners. You could even sell Drip campaigns using this method!

https://woocommerce.com/products/group-coupons/

Apply Coupons AutomaticallyRestrict Coupons by GroupExclude MembersRestrict Coupons by RoleDisplay Pretty CouponsExclusive discount coupons for group members with the free Groups membership pluginExclusive discount coupons for rolesAutomatic discounts for group membersDiscount target groups and roles at a glimpsePretty coupons via shortcodesHelps to cover many promotional and marketing cases

https://woocommerce.com/products/conditional-shipping-and-payments/

Conditional Shipping MethodsBind shipping method restrictions with certain products, product categories, or shipping classes.Conditionally exclude shipping methods and instances, depending on the shipping destination or package weight.Create product-level restrictions to comply with shipping carrier terms-of-service and customs import regulations.Conditional Payment GatewaysRestrict gateway options based on billing country availability, or minimum transaction limits.Create gateway restrictions based on products and shipping methods to comply with payment gateway terms-of-service.Restrict Shipping Countries & States

https://woocommerce.com/products/woocommerce-order-delivery/

Delivery date picker, integrated into the checkout processSpecify dates where deliveries are not available, e.g., holidays, closed periods or other situationsDisplay the estimated delivery period, instead of a date selectorDisable specific date ranges for shipping to specific countries or statesShipping calendar within WooCommerce to see an overview of upcoming shipments

https://woocommerce.com/products/sale-flash-pro/

Instead of simply declaring a product is on sale, the Sale Flash Pro extension gives you global and per-product control over sale flash display. Choose whether to display the % discount or the precise amount off the price.

https://woocommerce.com/products/woocommerce-slack/

7 Notification TypesEasy to UseCustom Channel / EmojiPer-Event Specific Channel / EmojiCustom Notification MessagesExtended Notifications for some notification typesExtensible & Dev-Friendly

https://givewp.com/addons/mollie-payment-gateway/

Supports Multiple Payment MethodsCompatible with Give's Recurring Donations add-on (credit card, iDEAL, Direct Debit and more)WPML, Polylang, and Loco Translate support

https://givewp.com/addons/payfast-gateway/

Fraud ProtectionEFT SupportedPayments via Credit CardsLow FeesSupports Fee Recovery

https://givewp.com/addons/donation-upsells-for-woocommerce/

Uses WooCommerce's enabled gateways - no additional gateway requiredIntuitive design to maximize donationsBeautifully integrated with GiveWPFully Cross-browser compatibleEasily integrated into any theme

https://givewp.com/addons/recurring-donations/

Flexible Recurring OptionsIncrease Giving PotentialSubscription Management Built-inSubscription SyncingAdvanced Reporting FeaturesCustom Subscription EmailsMulti-Gateway Support

https://www.mailpoet.com/

for each newsletter, see which subscribers opened it and which links they clickedability to send Welcome Emails automatically; i.e. “Welcome to my Newsletter” autoresponders or multi-email coursesremoves the small MailPoet logo in the footer of your emailssend to over 2000 subscribers with your own sending method