Kantask Alternatives (September 2025)

SendHub offers bulk text messaging and marketing for businesses to manage their SMS campaigns. Finally, business communication services made easy.

Get your message across. One account, so many ways to send.

Mobile Text Alerts allows you to send mass texts to your customers & employees with no hassle. Get started for free & create your text alert system in seconds.

SMS Marketing to Text from Computer to Customers or group members. Text message marketing & Free Trial w/100 msgs! Short code SMS 5 digit number software for groups & business texting. Blast bulk sms to customers from computer.

Boost your communication strategy with Sakari's SMS marketing software, featuring workflow automation, seamless integration, and in-depth analytics.

Featuring fast registration and powerful tools, EZ Texting is the best mass texting service for sending bulk SMS marketing messages and MMS messaging. Start your free trial today!

Sell more w/ a bulk SMS service, email marketing, TTS, 2FA, voice calls & messaging apps integration w/ advanced API communication platform.

We make text message marketing and SMS marketing easy. Increase revenue and build customer loyalty with our SMS marketing software.

The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, notifications, and staff communication.

🚀Boost your text message marketing with speeds up to 1000 SMS per second. FREE Trial and instant FREE Text Number, start today...

SMS texting service for business text messaging. Use our SMS software for business texting and SMS campaigns. Start texting online today with Text Request.

Communicate with customers via the channel of their choice – SMS, social and integrations. All via our messaging platform for businesses. United States

Discover the Best SMS Marketing Software Platform for your business. Increase customer engagement with our Text Message Marketing Software. Sign up for our free trial now.

Engage with customers wherever they are. Postscript helps you build strong customer relationships across the entire buying experience. Start your free trial today.

Textedly is an easy text message marketing (SMS) platform. Increase revenue and mass communication using automated, bulk texting services.

Use the text messaging service 17,000+ businesses trust. Send SMS marketing campaigns, receive texts, and message one-on-one.

Unlock meaningful conversations across the customer journey with programmable SMS, voice, email, video, & verification APIs!

Email marketing tool, bulk SMS sending and creation of landing pages

The business texting platform that drives pipeline creation and improves hiring and sales cycle conversion. Try our texting software today.

Boost your business revenue with engaging messaging powered by the Pushwoosh omnichannel customer engagement platform.

Trigger thousands of messages in minutes. Integrate seamlessly. Only pay for what you need. Try Brevo's Messaging API for free — no credit card needed.

Always-on text messaging platform for your business or organization. Send SMS & MMS and more. Contact us today.

Need business text messaging? Heymarket's SMS messaging platform empowers teams to build personalized connections. ✓ Try business SMS today!

Salesmsg is a texting platform with all the software, integrations, and resources you need for SMS marketing, sales outreach, customer service and your business.

Ensure communication with customers and suppliers, modernize messaging infrastructures and automate manual business processes thanks to Retarus’ intelligent cloud solutions.

Business Messaging with a Personal Touch

Textline's business texting software offers solutions for sales, marketing, customer service and beyond. Utilize the power of SMS to grow quickly.

Looking for a business text messaging software that will help you stay connected with your customers? Look no further than Avochato! Our easy-to-use platform makes it simple to send and receive text messages.

Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. Learn more today!

Plivo’s SMS API and Voice API platform enables businesses to communicate with their customers on a global scale. Sign up for free now.

An all-in-one online platform helps businesses send and receive SMS messages, make calls, and send and receive faxes globally.

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?

Attentive is the most comprehensive personalized text messaging solution. 99% open rates, 30%+ click-through rates, and 25x+ ROI.

Trumpia's automated texting software is built to automatically create personalized SMS interactions with your contacts. Our automated texting service is effective, affordable and easy to implement. Try Trumpia's text message automation software today with our free trial!

Connect with customers on their preferred channels—anywhere in the world. Quickly integrate powerful communication APIs to start building solutions for SMS and WhatsApp messaging, voice, and email.

Communications API for chat, AI chatbots, SMS, WhatsApp, voice, video, KakaoTalk, and in-app notifications with Sendbird's all-in-one communications API platform.

MailUp is your complete email and SMS delivery solution that combines powerful email marketing tools with SMTP relay and plugins for e-commerce, CRM, and CMS systems

Onboard & engage users in 90s with phone identity, verification, OTP & SMS notification. Send reliable voice/SMS OTP with Twillio, MessageBird, Nexmo, Infobip, etc. from 1 API.

Grow your business with SMS marketing software and agency-level text message marketing services. The only company to provide a 5X ROI guaranteed.

Helping brands creating moments of delight. Because every superhero needs a sidekick.

Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs

Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs

Integrate in minutes and send transactional emails via our REST API or SMTP. Scale with our reliable global infrastructure and deliver emails to your customer's inbox instantly.

Start sending emails with our top-rated service. Sign up for free now to streamline your email sending process with API or SMTP.

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

Validate users across SMS and preferred channels at scale with the Twilio Verify API, a turnkey, passwordless authentication solution that enables seamless and secure user onboarding, reduces fraud, and optimizes delivery rates without the heavy lifting. Twilio handles all your connectivity, channels, OTP generation, and more—so you don’t have to.

Keep people informed when it matters most with Text-Em-All. Mass text messaging or calling. Try it free today.

The world’s leader for customer messaging including mobile push notifications, web push, SMS, email & in-app messaging. Trusted by 1 million+ developers.

Discover our Business Messaging Platform for Startups & SMBs. The one-stop for sales, marketing & support in one platform: Crisp. 14-day free trial. No credit card required. Try now! We provide Knowledge base, Team Inbox, Chatbot, CRM and multiple other features to let you build your own way to customer success.

Start sending transactional and marketing email in minutes. Easily scale to enterprise-volume with Twilio SendGrid’s Email API. Try it free!

Re-engage users with web and mobile push notifications. Test our feature-rich, GDPR-compliant solution today and enhance your communication strategy.

Send bulk, transactional, & marketing emails with our easy-to-use and reliable SMTP. Check the quality of email and improve delivery. Get started for free!

Batch projects your CRM strategies into the future through optimised user experience on all mobile channels

Email API and SMTP relay to not just send and measure email sending, but also alert and optimise. We provide you with tools, expertise and support needed to reliably deliver emails to your customers inboxes on time, every time.

Grow your business with Brevo, the all-in-one platform to manage customer relationships across email, SMS, chat, and more. Get started for free.

Combine the power of SMS marketing and sweepstakes acquisition to accelerate your e-commerce growth.

Take your marketing to the next level​ with the leading self-serve Customer Engagement platform for cross-channel experiences.

With the Hustle Experience Platform you’ll get a full suite of products to level-up your text marketing campaigns through P2P, personalized messaging or even video messaging to keep your audience engaged.

Wigzo offers the best customer retention solution to drive user engagement with email, SMS, and WhatsApp marketing. Increase repeat orders with mobile marketing strategies.

Whether you need to attract new customers with your next hot promotion or reliably communicate with your existing customers, Mailrelay is your best choice.

Emitrr is a complete business toolbox. Emitrr helps local businesses communicate and engage customers through text messages and automation

Build your very own omnichannel customer engagement platform with a no-code builder or customize it with Video, Voice, SMS, and chatbot APIs from EnableX.

Eliminate long lines with our waitlist app, reservations booking system, and powerful 2-way customer SMS. Try it free today.

​​Multi-channel marketing automation platform with email, web push, SMS, and chatbots for Facebook, Telegram, WhatsApp, and Instagram — all combined in a free CRM.

This reliable and secure transactional email service by Zoho Mail ensures guaranteed and fast delivery of transactional emails, and comes with a pay-as-you-go pricing plan.

SMTP2GO is the scalable, reliable email deliverability solution. Worldwide servers, a robust API, and powerful reporting set us apart. Try our free plan!

Elastic Email is a marketing platform, built on the most cost-effective delivery engine. Join tens of thousands of companies, which already send their emails!

Springbig is the leading provider of cannabis marketing platforms and dispensary loyalty programs. Give our team a call to learn more about our dispensary text messaging programs & cannabis referral programs.

WebEngage offers CDP, Omnichannel Campaign Manager and Web & App Personalization Engine - to help brands boost their revenue from existing customers.

Omnichannel Contact Center Platform. Connect Southeast Asia Virtual Phone Numbers

Engage your customers like never before with CleverTap’s all-in-one customer engagement platform. From personalized messaging to automated campaigns, CleverTap platform offers a suite of powerful tools to help you connect with your audience at every stage of the customer journey. Get started with CleverTap today.

Target the right students with the right personalized messages at scale with AI-based Blended Messaging™.

Courier is a notification API built for developers. Design once, and deliver to any channel – email, Slack, SMS, push, and more – all through a single API.

Create dynamic customer engagements driven by valuable data insights. Design omni-channel campaigns on one user-friendly platform, on-cloud or on-site.

Marketing Campaigns makes it easy to design, test, optimize and scale email campaigns. Reach the inbox with Twilio SendGrid. Try it free!

Boost your email deliverability and engagement with Inboxroad. Our comprehensive solutions and expert guidance ensure your messages reach the inbox - Inboxroad

Send your Transactional and marketing Emails safely, track your results and use powerful APIs designed for devolopers by developers. Try for free

Verse.ai converts leads with AI-powered SMS conversations. Automated SMS messages keep prospects engaged and increase conversion rates.

Plataforma de Comunicación Omnicanal. Crea una estrategia de comunicación global e integra todos tus canales de comunicación.

Trusted by the fastest growing brands in over 78 countries. Wati is the #1 end-to-end WhatsApp API solution for SMBs across the globe.

Access our top-tier SMS gateway services at an affordable price globally. No subscriptions and full compliance. Create a free account >>

Maximize customer engagement by building lasting and valuable relationships through optimized multi-channel messaging and campaign orchestration.

Engage, retain, and grow. Personalized messages, smart segments, campaign management, behavior tracking, and more. All with a true omnichannel platform.

Mailosaur removes the frustration of testing everything a user might do. 
Test password resets, replies, two-factor logins, and more.

TASKE creates software for contact center management that monitors activity in up-to-the-second real-time and reports on performance. See what every agent and resource in your business is doing.

Knowlarity provides the best cloud IVR(Interactive Voice Response) System or solution for your business which is an automated call management solution. Use our top hosted IVR service to respond to all the customer queries professionally with personalized greetings.

Streamline your emailing and boost your sales with Mailjet. We serve all your email and SMS needs with one simple and powerful service.

JangoSMTP - Transactional Emails Made Easy. Highest Inbox Results. Live US-Based Support. API and SMTP Relay Sending.

One Call Now by OnSolve is a critical communications platform for broadcasting emergency alerts, sending routine notifications and communicating with staff.

MSG91 cloud communications platform integrates cloud-based voice, video, messaging, chat, & collaboration into any app, service, or business process. Request a demo for cloud based communication today!

Create highly personalized, intent-driven experiences that drive more conversions with Acoustic Connect.

Knowlarity is a leading cloud business communication solution provider with cloud telephony - virtual number, ivr, toll-free number, call center software, AI products (speech, chatbot and voicebots), video & messaging solutions.

With eGain Messaging Hub, eGain has rearchitected its platform to handle messaging channels and consumer-to-business interactions over them, in a new way.

Everything you need for more successful email delivery and performance management, from simple sending tools to deeply informative reporting.

GSMtasks is the ultimate delivery & field service management platform to optimize and manage your mobile fleet. Free 14-day trial!

Discover AhaSend, the Email Service Provider dedicated to revolutionizing transactional emails. Enjoy hassle-free pricing at $0.50 per 1,000 emails and experience unmatched delivery times. No hidden fees, no brackets, just straightforward service designed for your peace of mind.

Start the conversation on your website, stay in touch through messaging apps. √ Website chat √ Chatbots √ GDPR √ WhatsApp & more

Eloquant delivers reliable, flexible, and complementary business solutions to help you manage and optimize your customer relationships.

Tatango is America’s #1 nonprofit and political SMS marketing software, powering more SMS fundraising campaigns than any other.