Best Communications Software for PostSheet
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Compare the Top Communications Software that integrates with PostSheet as of February 2026
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This a list of Communications software that integrates with PostSheet. Use the filters on the left to add additional filters for products that have integrations with PostSheet. View the products that work with PostSheet in the table below.
What is Communications Software for PostSheet?
Communications software enables users to exchange information through various digital channels, including messaging, voice, and video. It facilitates real-time and asynchronous interactions across devices and networks, enhancing collaboration and connectivity. Common types include email clients, VoIP applications, video conferencing tools, and instant messaging platforms. Businesses and individuals rely on these solutions for remote work, customer support, and team coordination. Advanced features such as encryption, AI-driven automation, and integration with other software improve security and efficiency. Compare and read user reviews of the best Communications software for PostSheet currently available using the table below. This list is updated regularly.
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1
Twilio
Twilio
Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.Starting Price: $0.0085 per min -
2
Microsoft Outlook
Microsoft
Microsoft Outlook is the all-in-one email, calendar, and contact management platform designed to keep you organized and connected across your digital life. With Outlook, you can manage multiple accounts—including Gmail, Yahoo, and iCloud—within one unified inbox. Intelligent scheduling tools and shared calendars help you stay on top of meetings, events, and personal reminders. The built-in Microsoft Copilot assists with writing emails, summarizing long threads, and managing tasks to boost productivity. Outlook also offers enterprise-grade security, filtering out spam, phishing, and malware to keep your data safe. Whether on desktop, mobile, or web, Outlook helps you manage communication and time with clarity and confidence. -
3
Gmail
Google
Get more done with Gmail. Now more secure, smarter and easier to use—helping you save time and do more with your inbox. See what’s new at a glance, and decide what you want to read and respond to. Get nudges that remind you to follow up and respond to messages, so that nothing slips through the cracks. View attachments, RSVP to events, snooze messages and more without opening any emails. Gmail blocks 99.9% of dangerous emails before they reach you. If we think something seems phish-y, you’ll get a warning.Starting Price: $0 -
4
SendGrid
Twilio SendGrid
Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.Starting Price: $19.95 per month -
5
Mailjet
Sinch
The email solution for fast-moving teams. We know how hard it can be to find an affordable and effective email service. Mailjet is the perfect solution for your needs, our advanced features help you grow your business at a very reasonable price. Effortlessly craft beautifully responsive email in just a few clicks with our email editor, Passport. Use our rich library of free email templates or create your own design from scratch. Use Mailjet’s Collaboration Toolkit to work on the same email template or campaign in real time to increase your team’s efficiency. Drastically shorten feedback cycle with commenting and approval workflow features to go faster. Personalize each email with customer data you collect and segment your contact list to send the right content to the right customer. It’s easy to make each of your recipients feel special. Optimize the performance of your campaign with real-time statistics available with each sending.Starting Price: $9.65 per month -
6
Postmark
ActiveCampaign
ActiveCampaign Postmark is the email delivery service that developers and product teams actually like. Send transactional and marketing emails and get them to the inbox, every time. Postmark maintains one of the best delivery reputations in the industry by routing transactional and promotional messages through parallel but separate sending infrastructure.Starting Price: $10/month for 10,000 emails -
7
Mailchimp Transactional Email (Mandrill)
Mailchimp
Transactional emails: Reach inboxes when it matters most. Deliver fast, personalized transactional emails using API or SMTP. Get the benefits of our experience sending billions of emails globally. Send personalized transactional emails that reach inboxes, not spam folders. Customize your analytics with pre-built dashboards, export API, and more. Read documentation guides, or contact our award-winning Support team for help. Use custom tagging, whitelabeling, conditional content, and more. Globally distributed infrastructure: Featuring automatic SPAM loop registration and pre-warmed dedicated IPs. Get analytics in multiple ways, plus custom tags, A/B test capabilities, and comparative reports. Utilize white-labelled click tracking, custom reverse DNS, rules engine, custom return path, and sub-accounts. That’s the average time to delivery for top 3 ISPs, sent from our MTAs to the recipient’s email server. -
8
Mailgun
Sinch
Mailgun is an email automation solution that is suitable for developers. With Mailgun, users are able to access a complete cloud-based email service for tracking, sending, and receiving emails sent via their applications and websites. Mailgun supports several programming languages including Python, Ruby, PHP, Java, and C#. With Mailgun's tracking feature, users are able to track all emails and reduce the chances of getting spam.Starting Price: $0.01/month/user
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