CloudSponge Alternatives (September 2025)

Unlock exponential growth for your store with ReferralCandy's robust referral marketing program. Join over 30,000 eCommerce stores and experience the power of customer referrals today!

InviteReferrals is the best referral software for mobile apps and websites. Use Word of Mouth Marketing software to increase Sales, Signups, Email List, App Install or Custom Event. Request for Quick Demo Now. Support All eCommerce platform. Trusted by 20K Clients Worldwide.

Optimize your email strategy with ZeroBounce. We offer top-tier email validation, list cleaning, and address verification to reduce spam traps and enhance deliverability.

Create and track a referral program with Viral Loops' referral marketing software for E-commerce, Newsletters and Apps.

Stop bots and manual spam from reaching you or your customer. All with high accuracy and privacy.

Streamline your emailing and boost your sales with Mailzy. Create, send and track email newsletters with one simple and powerful service.

Premium referral solution focused on conversion optimizations & seasonal campaigns, offering reward-based referrals for global brand growth.

Discover the most advanced affiliate, influencer and brand ambassador management software available. Manage and grow your affiliate network with increased ROI. Try Refersion free for 14 days!

With our free postal address verification and international address validation service you can easily verify if any USPS or international postal address is valid and deliverable.

SweepWidget is the best contest app to run viral giveaways, sweepstakes & competitions. Grow your followers, email lists, website traffic, customers, & more.

Certifier is a digital credentials infrastructure. Easily make, share and verify digital certificates on autopilot. All-in-one platform for generation certificates and mass sending emails to recipients. Certificate maker with user friendly interface, ready-made templates, and delivery emails.

With our real-time phone number validation service you can easily verify if a phone number is real and valid. We also offer Phone Number List Cleaning and an Online API for Phone Number Validation.

Friendbuy's referral and loyalty program software helps leading ecommerce and B2B brands acquire new customers and increase customer lifetime value.

Empower your brand with centralized email compliance management. Maximize revenue through compliant outbound marketing.

Improve your email sender reputation and reduce bounce rates: real-time email validation API and bulk email list cleaning. Free trial & 100% accuracy.

Mailercloud is the ultimate platform for growing businesses, offering smart and intuitive email marketing tool to help you thrive in the digital world.

ViralSweep is a viral marketing platform with tools to create sweepstakes, contests, and giveaways. Use our tools to run sweepstakes and giveaways.

Improve your email deliverability with Bouncer's robust email verification and deliverability platform. 🌐

Easily create customized, branded interactive marketing content that transforms visitors into customers and grows your business.

Increase conversions and sales by better segmenting your website visitors, and personalizing their on-site experience.

Streamline media management and improve user experience by automatically delivering images and videos, enhanced and optimized for every user.

Mailbutler is the email software extension plugin for Apple Mail, Gmail, and Outlook that helps you stay productive and professional.

MassMailer provides the best Mass Email solution for Salesforce CRM customers whose marketing, sales, and other teams need to send and track mass emails.

Referral program software that helps you and grow. Build a fully customized referral program, and get your customers to refer their friends. No coding required.

Keepin enables you to decide how you appear in your friends’ contact list by creating your own updated contact card, to let your friends update their information in your own contact list and to use smart networking tools.

End-to-end referral program software for tech, SMBs, e-commerce, and service businesses. Built for ANY business (not just e-commerce).

Improve domain reputation and increase the quality of your mailing list by validating emails before sending a campaign, or at the point of capture.

Verify/Validate Addresses using PostGrid’s CASS (USPS) and SERP (Canada Post) certified Address validation and verification API and services.

Create contests that attract more followers, newsletter subscribers and more. Try the contest software trusted by thousands of companies.

Manage and email your subscribers for far cheaper with EmailOctopus. Drag and drop email builder, powerful analytics, bounce/complaint tracking and more.

Email Validation and Verification, Email Checker and Bulk Verify Tool. Using DeBounce remove invalid, disposable, spam-trap, syntax and deactivated emails.

Quickly and easily grow your email list and boost your Klaviyo flow revenue with Retention.com.

Create a stunning giveaway or viral contest with our free giveaway software. Mobile-optimized. Grow your email list & social media.

Collect payments, customer data, registrations, event RSVPs, and leads with our secure online forms and surveys – use powerful templates or DIY. Sign up free.

Our programmatic print software lets you easily integrate personalised direct mail into your cross-channel marketing.

Get the best email validation tool for busy businesses. Fully automated, completely hands-off, this email verification tool does it all for you.

Ecommerce email marketing, automated emails and SMS - switch to Omnisend and increase your sales without increasing your workload.

LinkPoint360 is a leading provider of email integration solutions for Salesforce & Microsoft Dynamics. Increase your productivity and CRM adoption today.

Harness the power of product reviews and customer rewards for your Ecommerce store. The easiest way to increase sales and customer retention.

Gather real-time contact and company data from an email address with our Reverse Email Lookup tool made for businesses.

Postcoder is the API for address lookup & form validation. Improve your conversion rates and capture better quality customer data.

Unlock growth opportunities and increase customer loyalty with our comprehensive customer marketing platform. Showcase social proof, scale word-of-mouth, and drive conversions with Okendo.

Effortless Omnichannel Communications Across Voice, IVR, Email, Chat, SMS, MMS, Messengers with Omnichannel Quality Management and a Powerful Mobile App

Get the emails of your anonymous visitors. Own your data, grow email lists, and re-engage shoppers or corporate buyers with Opensend's lead generation services.

The powerful email verification tool helps you validate and clean your email list seamlessly, ensuring verified email subscribers and high deliverability.

Get up to date contact information with a simple & free cross-platform contact manager app that sync across multiple accounts and devices automatically.

Improve Ecommerce traffic, sales and conversions with trust signals, user-generated content, and social proof.

Spotipo is an external captive portal solution that works with existing networks without custom hardware or firmware. Our solution is fully white-labellable and available for UniFi, Meraki, Mikrotik, TP-Link etc

Manage multiple WhatsApp numbers and agents in one shared inbox. Share team access to your WhatsApp account, and reply to more chats from your clients in less time.

Experience UpViral: The Ultimate Referral Marketing Platform. Revolutionize Your Brand's Reach with Effortless Lead Generation and Dynamic Campaigns!"

Groupware tool for online collaboration and organisation. EGroupware integrates cutting edge collaboration technologies - available in a german hosting environment or on-premises.

Email checker online tool. Ensure email accuracy with our efficient tool. Verify email addresses instantly and improve your communication reliability. Try for free!

Intelligent email marketing, sms, and automation for faster, more efficient growth. Turn your customer data into hyper-personalized messages that people want.

CloudFiler, secure and easy email filing for all devices running Microsoft Outlook

Ongage is an email marketing platform that allows you to deliver emails, learn from customers, and optimize behavior at scale. Want to see KPIs going up?

AccuZIP Postal Software and Data Cleansing For Direct Mail Marketing

Create, deliver and measure unforgettable Direct Mail experiences that motivate your audience to engage more than ever before. Ready to boost engagement rates to over 35%?

Discover the owner of any email address with our advanced reverse email lookup service. Instantly find the full name and public records of email owners. Try our powerful email address search tool now!

With vBoxxCloud you can easily sync, share and edit your files from anywhere. Our secure cloud storage is encrypted and GDPR ready! Start a free trial!

Access the best tools available in email, helping your newsletter scale and monetize like never before.

Unlock the power of your communications data. The Nylas communication APIs remove complexity & empower teams to create seamless user experiences.

The most accurate, dedicated business card scanner app.

Scrubby is the only complete email validation tool that goes beyond standard SMTP validation, uniquely incorporating risky and catch-all email checks to provide complete validation, ensuring an impressive 98% deliverability for your entire list.

Wishpond makes it easy for marketers to create landing pages and contests, track leads, send emails and more.

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Easily capture and share memories with your customers, improve customer satisfaction and increase direct online repeat & referral conversions.

Postcards is a free email template builder with a no-code editor, allowing for quick email newsletter creation. Design, develop, and collaborate all on one platform.

Grow your business with advanced local marketing tools. Boost customer engagement, reviews, and communicate effectively. Check out Referrizer

Revolutionize your Shopify store with Edgemesh - the growth infrastructure for premier eCommerce and DTC stores. Media attribution, A/B testing, website optimization, and advanced web analytics to back it all up.

Trusted random picker and winner generator for your giveaways, sweepstakes, or raffles. RandomPicker proves the validity of your drawings. Free plan available.

Libraesva Email Archiver is a powerful and simple solutionfor email Governance, Risk and Compliance. it provides rapid e-Discovery with instant full-text search.

Build beautiful, interactive forms — get more responses. No coding needed. Templates for quizzes, research, feedback, lead generation, and more. Sign up FREE.

Springbot enables growing eCommerce businesses to manage email marketing & paid advertising in a single platform. Sign up for free today.

Bouncify is a Leading provider of bulk email list cleaning and email verification service. Run our bulk email verification tool through your list of emails to remove hard bounces and keep your mailing list clean and engaged with 99% accuracy. We provide email list validation to marketers from all countries.

Increase retention and boost customer engagement with an easy to use loyalty program built for growing businesses

DBSync's Cloud Integration Workflow automates integration across cloud applications, optimizing business processes for enhanced operational efficiency.

Improve domain reputation and increase the quality of your mailing list by validating emails before sending a campaign, or at the point of capture.

Use Mailmodo to create and send interactive emails your customers love. Drive conversions and get better email ROI. Sign up for a free trial now.

We help e-commerce sites recover abandoned shopping carts with an easy, inexpensive email reminder solution that integrates with any website.

A company, a first and last names are enough to find an updated and verified email address. All the email addresses enriched by Dropcontact are 98% valid.

Create a global avatar and profile image with Gravatar. Get a free one-page personal site to showcase your identity and connect across the web.

Envoke is a Canadian email marketing and communications software. Engage stakeholders with professional emails without risking your organization's reputation.

Grow your business with a comprehensive suite of optimization, personalization, and visual merchandising tools built for ecommerce.

Cloud Volumes ONTAP enables you to optimize your cloud storage costs and performance while enhancing data protection, security, and compliance.

SiteVibes ecommerce retention platform helps Brands consolidate ecommerce email marketing with loyalty, reviews, shoppable UGC and more.

RainLoop Webmail - Simple, modern & fast web-based email client.

Collect more and better Ratings & Reviews and other UGC. Create UGC displays that convert. Analyze to enhance product experience and positioning.

The best Influencer marketing platform for e-commerce. Upfluence's Influencer Marketing tool helps brands skyrocket their ROI and sell.

Get your custom, branded URL Shortener up and running in minutes. Powering communications, commerce, marketing, advertising & more. URL Shortening API.

Baserow allows you to create databases and applications without code. Streamline your data management, collaborate in real-time, and scale with maximum flexibility. Self-host for unlimited rows and storage. Try for free today!

No matter your level of expertise, we have a solution for you. At GetResponse, it's email marketing done right. Start your free account today!

WPForms is the best WordPress forms plugin, trusted by over 6,000,000+ users. Create powerful WordPress forms in minutes with our drag & drop form builder!

MailboxValidator email validation clean email lists and reduces bounce. It connects to the mail server and checks whether the mailbox exists or not.

Discover the best conversion tracking platforms that will enable you to build data driven marketing campaigns, with long term goals and value.

ProveSource is a free social proof marketing platform that streams recent customer behaviors on your website to boost trust, conversions & sales.

OptiSigns is a cloud-based digital signage software that allows you to easily create and manage dynamic content for your business on any screen or TV. With a user-friendly interface and a range of powerful features, OptiSigns makes it easy to create engaging digital signage displays that inform and inspire your audience. Sign up for a free trial today!

Effortlessly design, optimize, and build stunning email marketing assets with Chamaileon — the industry-first no-code, drag-and-drop email builder. Achieve 90% faster time to market, seamless integrations, and real results. Empower collaboration and scale your marketing

LoudCrowd better monetizes your affiliate creators with personalized, automated Creator Storefronts that live on any e-Commerce site.

Unlock the full potential of your partner marketing efforts with our powerful performance marketing software. Drive more leads, increase conversions, and boost revenue with ease. Maximize your partner relationships and achieve marketing success like never before. Try our software today!