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Zendesk is a customer support tool. It's got 2 main features: ticketing and knowledge base. Ticketing: Zendesk gathers customer queries in one place where you can manage and respond to customer questions efficiently. Knowledge base allows you to create an FAQ section to guide your customers.

Recurly offers subscription software. Use it to offer one-time purchases and subscriptions in the same checkout flow. Easily integrate with Shopify and other eCommerce platforms.

Segment is a Customer Data Platform (CDP). They provide a service that simplifies collecting and using data from the users of your digital properties (websites, apps, etc). With Segment, you can collect, transform, send, and archive your first-party customer data.

Braintree is the only way to offer buyers the most popular payment methods -- including PayPal, Venmo (in the US), credit & debit cards, and digital wallets -- in a single integration. Braintree's checkout is designed to be seamless and secure, whether you choose their UI or tailor-make your own.

Amplitude is one of the most advanced product analytics platforms that helps teams convert, engage, and retain customers. The platform uses behavioral reports to understand users' interactions with products and provides insights to accelerate work on a real-time basis.

Headless frontend software to build sites with the services you want, like Shopify, Stripe, and WordPress. Integrate data from anywhere: APIs, databases, CMSs, static files — or multiple sources at once.

Gladly is a people-centered customer service platform with all channels built-in (email, calls, texts etc). Connect customers to the best representative with full context on what they recently bought and their preferences.

SendGrid provides and manages an email server on your company's behalf, so your communications with customers are reliably sent and delivered as needed. It's perfect when you need to send transactional emails, password recovery emails or notifications to users from your website.

Ada is the new front line of your customer experience, empowering businesses to provide personalized experiences at scale - in a snap! Ada's no-code, AI chatbot improves CX, reduces costs, and drives revenue - while freeing live agents to have greater impact.

VWO is a conversion optimization solution. From VWO you can run A/B tests, and alter the look of parts of your website, without altering the code. Use funnels, heatmaps and session recordings to understand your shoppers’ hesitations better, which will help you generate stronger A/B testing ideas.

Hotjar is a behavior analytics and user feedback service that helps you understand the behavior of your website users and get their feedback through tools such as heatmaps, session recordings, and surveys.

Optimizely offers powerful, easy to use solutions, to test what messages, imagery, and offers help increase conversion, retention, and lifetime value.

Finale Inventory is the only multichannel e-commerce inventory management solution that can support changing workflows for your FBA, Shopify, and/or Walmart sales channels as your company grows.