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Top Rated Customer Engagement Software with Open source - Page 3

Last updated: June 2026

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656 software options

ChurnZero logo

Customer engagement & retention for subscription businesses

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ChurnZero is a customer engagement & retention platform for customer success teams of subscription-based businesses to reduce churn & increase renewals

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Text Request logo

Ignite customer engagement

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Text Request is crafted to cut through the noise, so you can connect with customers anytime, anywhere.

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Rocketlane logo

A client-centric, next-gen PSA tool

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Rocketlane is a next-gen PSA platform that unifies your projects, resources, and time into a single, powerful system.

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EngageBay CRM logo

Integrated sales & marketing software for growing teams

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AI-powered all-in-one CRM for marketing, sales, and support — built to help small businesses grow faster.

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Feedier logo

Gamified customer engagement & feedback collection tool

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Feedier is a Feedback management platform to collect qualitative Feedback with highly engaging and gamified forms. Be a leader, turn Feedback into growth leverage by making data-driven decisions.

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Hiver logo

Modern, AI help desk software built for fast teams.

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Hiver is a modern, AI customer service platform with strong customer engagement features. It offers omnichannel support, chatbots for instant help, a knowledge base for self-service, and CSAT surveys to measure satisfaction - helping teams build stronger, long-lasting customer relationships.

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ProveSource logo

Social proof for increasing trust & conversions on websites

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ProveSource uses social proof to increase trust and conversions on websites

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InputKit logo

InputKit, the best tool for an incredible experience.

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InputKit's mission is to help companies stand out from the competition by developing innovative software solutions.

With InputKit, get authentic feedback from your customers and employees to continoulsy improve your serivces. This will help you deliver the best experience possible!

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Braze logo

Customer engagement platform

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Braze is a leading customer engagement platform that powers lasting connections between consumers and brands that they love.

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VideoAsk logo

Get personal with face-to-face interactions: at scale

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VideoAsk lets you have one-to-one, asynchronous conversations with customers. It’s the perfect way to put a face to your name, build trust and forge personal connections, at scale.

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11Sight logo

The shortest path to revenue.

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#1 Inbound Video Call Platform for Revenue Teams.

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OneSignal logo

Maximize Engagement. Minimize churn.

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OneSignal is a customer engagement platform that powers email, push notifications, SMS, and in-app messages for product teams, developers and marketers. Designed for engagement and data collection, OneSignal offers customer journeys, A/B testing, analytics, personalization, and segmentation.

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LearnUpon logo

Learning management and course authoring solution

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LearnUpon works with global organizations who want to make learning a central part of their growth strategy and supports over 1,300 customers worldwide including Zendesk and Gusto.

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Upnify CRM logo

Web-based customer relationship management (CRM) solution

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Upnify CRM is a customer relationship management solution that allows business owners to keep track of their contacts, maximize business opportunities, and make their conversations more productive. The software supports managers in all phases of the sales process, from the beginning to the end.

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Growave logo

Marketing app for Shopify

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Growave is an all-in-one Shopify marketing platform with powerful tools for photo reviews, wishlists, loyalty programs, referrals, and UGC.

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Delighted logo

Cloud-based customer and employee experience platform

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Delighted is a cloud-based customer feedback collection system that uses single question surveys across multiple channels including email, SMS, web link and website integration to gather and analyse customer, employee, partner and vendor experience insights, while monitoring NPS scores in real-time

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WeBee logo

Customer communications management software

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WeBee is a customer communications management software that helps businesses in the hospitality sector manage bookings, contactless check-in, payments, guest orders, and more. The platform enables managers to pre-book various hotel amenities, such as transfers and restaurant bookings.

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ReviewTrackers logo

Review monitoring software for multi-location businesses

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Software that helps businesses manage and generate online reviews, engage and respond to customer feedback, and discover key customer insights

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Acobot logo

Self-learning conversational AI for lead nurture on websites

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With an Acobot live chat robot you can answer customer questions instantly, with a human touch and turn them into paying customers like never before. Acobot is fully automated. It works 24 hours a day, seven days a week, even when you go to the beach.

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Nudgify logo

CRO using Sales Pops, Social Proof and FOMO notifications

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Increase conversions by as much as 15% by adding real-world context to your store. Highlight activity and create urgency with simple, elegant Nudges

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Boei logo

Customer engagement tool for managing online communications

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Boei is a customer engagement software that allows visitors to get in contact via their choice of social media platform by clicking a button. Installation is done with one line of HTML code placed in the body of a page. After the code is implemented, the button will be displayed on the site.

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Revetize logo

Business marketing software for small businesses

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Revetize is a business marketing software designed to help small, local businesses manage online reviews, referrals, promotions, NPS, customer follow-ups and loyalty campaigns all in one place and distribute these interactions via text, email, voicemail and pen-written letters.

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Sopro logo

B2B Lead Generation - Flood Your Inbox With Qualified Leads

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Sopro is a global multi-channel prospecting service that helps B2B businesses sell more. Combining expert teams with smart tech, Sopro builds bespoke audiences, runs multi-channel outreach, monitors and acts on buyer intent, and delivers qualified leads straight to your CRM.

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Messente logo

Software for sending SMS, WhatsApp, and Viber messages

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Messente is a business messaging platform that enables organizations to send SMS, Viber, and WhatsApp messages globally to 197 countries. The platform offers omnichannel messaging through a single API, authentication services with one-time passwords, and notification capabilities. Messente includes features like adaptive routing, fraud detection, and number validation to ensure reliable message delivery.

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Product Fruits logo

User onboarding platform

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Product Fruits is a customer onboarding platform that offers interactive tours, checklists, and tooltips to help users learn applications more efficiently. The platform includes AI-powered tools that generate product tours and announcements, while providing self-serve support through an in-app help center and knowledge base. Product Fruits also features feedback collection mechanisms and analytics to measure user satisfaction and engagement.

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