RainLoop Alternatives (September 2025)

Take back control of your email with this easy-to-deploy mail server in a box.

Easy to Install and manage, carrier class Mail Server Software with modern fast WebMail interface, spam protection and much more.

Windows mail server software with webmail, caldav, carddav, antivirus, spam filtering - Fast, secure email server software for windows. Download free mail server trial.

BlueMail is a modern, mobile and desktop, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP, Exchange,POP3.

Mailspring: The open-source, extensible email app for Mac, Linux, and Windows with open tracking, link click tracking, contacts enrichment data and more.

Email made easy and beautiful. Manage multiple accounts with the best email client for Windows 2024. Download the #1 email client program free Now.

Secure Windows or Linux mail server that includes chat, calendaring and contacts and offers a cost-effective alternative to Microsoft Exchange.

Fast, private email hosting for you or your business. More productive, lightning fast, simple and built to save you time.

Email Mailing List Manager. Easy To Use and Extendable

AfterLogic offers mail server, ajax webmail with calendar, mail components, development and installation services

Mailtrim provides secure Free email client software with its unique team collaboration Feature and is designed to serve the mailing needs of all business

Leading mail server and webmail client, XGenPlus offering fast, secure, and reliable emailing services supporting linguistic domains - World's first enterprise email solution.

A powerful email server that blocks 99% of junk emails. It also enables encrypted emailing with large sized file sharing and helps in preventing IP leakages

Drag directly from Outlook client and O365 to anywhere with DragDrop. Dragging emails & attachments is easy with DragDrop. Easy, Fast & Secure

EverDesk combines the best features of an Email Client, File Manager, Address Book and Calendar into one integrated interface, making it the most unique and comprehensive personal information manager on the market

Stripo — free email template builder. Create professional and responsive emails fast with no HTML skills. Use it to automate email production.

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.

Simple group email discussion lists for your club, association, office, society, family and more. Get started in minutes. 14-day free trial.

Enterprise-strength tool for automating both mass-mailing and single email processing jobs.

Host your professional email on a secure, privacy-guaranteed, and ad-free email hosting service built-in with features like email marketing services can do.

Fast, secure, and sustainable email services provided by email professionals. Powerful Email and Domain Hosting for businesses and organizations.

Ad-free Business Email Hosting with a clean, easy-to-use interface. Integrated Business Calendar, Contacts, Notes, Tasks. Free for up to 5 users.

Amazon WorkMail provides secure, managed business email and calendaring with support for existing desktop and mobile email client applications.

Reliable, secure, extensible, and customizable mail server software platform made for on-prem and cloud-native deployment; easily scalable, smart licensing.

OX Cloud Email - Easy, Fast, Secure - Powerful email built for business

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

Create beautiful responsive email templates easily with drag and drop email builder. Design now with no registration. App embedding available as plugin.

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!

K-9 Mail is an open source email client focused on making it easy to chew through large volumes of email

Incoming Email for your Web Application, send and receive email via HTTP Post in the Cloud

Speed up email creation with Beefree's drag-and-drop, no-code HTML email builder and editor. Compatible with your favorite sending platform. Sign up for free!

Secure hosted email with custom domain. Shared calendars, chat, storage, documents & apps. The only solution integrated and working together in one screen.

Easy and quick! Drag and drop HTML editor and builder for beautiful responsive email templates. Design, organize, and collaborate!

MagicMail is the top selling, carrier-grade email server built for ISPs, Telcos, and Cable companies to manage your back-end services for email.

Postbox is the power email app for busy professionals, like you.

Email delivery, perfected with Mailtinni! 💌 Your new SMTP service: fast, reliable, highly secure. 🚀

Fast email client with full Gmail, Hotmail and other services synchronization. Best replacement for MS Outlook or Thunderbird. Free version for Home users.

Cost-effective, secure hosted email: mailboxes, calendar and address book

Set up email forwarding in seconds and start receiving and sending emails with your domain name. Absolutely free. No registration. 24/7 Support.

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

Zimbra: A Cloud-Hosted Collaboration Software and Email Platform That Integrates With Proprietary Business Solutions

Save on infrastructure and maintenance costs. Choose your data centre (US, EU, APAC). AWS native cloud email hosting.

Emails, calendars, contacts, tasks, chat and more

Buy SMTP service. 99% Inbox. Free to test. Best price/quality SMTP offer. Buy with Bitcoin. Send, receive, route/forward emails.

Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

BELxpress Email Hosting Solution

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!

Email Delivery Platform to test, send and control email infrastructure in one place. Great for dev teams. Start today - Sign Up free!

Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.

All in One Bookmark Manager. For your inspiration, read later, media and stuff.

Loops makes email marketing for modern SaaS companies easy. It's the best way to create, send and track beautiful email campaigns.

Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

Niezawodne Email API i SMTP w chmurze. Najwyższa dostarczalność i szczegółowa analityka wiadomości email wysyłanych z Twojego systemu lub aplikacji.

Supercharge your productivity with AI writing, search, scheduling, and more

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

Discover your new all-purpose inbox. Write emails, create notes, set reminders and assign to-dos—your everyday tools, in Twobird.

Redtail Email - provides financial professionals with a convenient and compliant way to retain, retrieve, and report on email correspondence.

Sign in to your Outlook.com, Hotmail.com, MSN.com or Live.com account. Download the free desktop and mobile app to connect all your email accounts, including Gmail, Yahoo, and iCloud, in one place.

#1 Open Source Free Anti Spam and Antivirus software. MailCleaner is a gateway between your mail infrastructure and Internet. Block all spam.

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

Easily set up WordPress email delivery with advanced WordPress SMTP features and experience secure delivery of your WordPress emails. Get started free!

Unlayer is an email editor and page builder to build beautiful, responsive designs quickly and easily. Use it online or embed it into your application.

Mailfence is the only secure and private email service that gives you control. A free, interoperable encrypted email service protected by Belgian privacy law.

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

It’s the classic high-touch sales conundrum: You need to talk with prospects individually in order to sell. But with multiple email conversations happening at

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.

Newton supercharges your email with powerful features like Read Receipts, Send Later, Snooze & more. Works with Gmail, Google Apps, Exchange, Outlook, Office365, iCloud, Yahoo & IMAP.

Modern, native client with intuitive GUI tools to create, access, query & edit multiple relational databases: MySQL, PostgreSQL, SQLite, Microsoft SQL Server, Amazon Redshift, MariaDB, CockroachDB, Vertica, and Redis.

Free Email tracking for Gmail & Google Inbox without branding. Real-time notifications and link tracking. Works in Chrome, Firefox and Opera.

Forget searching through junk, spam, and unsolicited emails to find what you actually need. Bulletproof turns your open-access inbox into a permission-based one.

MailChannels ensures your customers' emails are always delivered. Trusted by the fastest-growing hosting providers.

TypeApp - The best Android and iOS email app ever created for mobile devices. Fast, simple and easy, TypeApp is the best email app for Android and iOS

Discover Alinto, email solutions for organisations and service providers. ensure the deliverability, management and the security of your emails.

Clean and organize your messy mailbox with a bulk email cleaner app - Clean Email. Choose your email provider to start cleaning.

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

Loop Email unlocks teamwork right inside your email inbox. It's an all-in-one shared inbox that transforms email into your team’s superpower.

Over 31,000 companies from 20 countries worldwide are already using KIRIM.EMAIL as their email infrastructure to generate more sales, build apps, and build

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.

Email and chat for your team

HCL Verse is the best instant messaging app and enterprise email management software for web-based mail clients powered by messenger software to provide an instant and secure messaging application.

Aryson IMAP Backup Tool to backup IMAP emails from all domains and IMAP Server accounts into various file formats. Best IMAP Mailbox Backup Software download for risk-free and convenient IMAP email backup.

UniOne is a transactional email service: you can send Transactional Emails simple and cheap with the help of platform API Email UniOne.

Custom ChatGPT for your Email and Website

Cold email software that is easy to use, with automated follow-ups when there is no response. Customizable outbound email tracking software for sales.

Cleanfox is the fastest Email Cleaner for Gmail, Outlook, and More. Clean your inbox efficiently and stop spam emails.

Home

Get stunning online collaboration desktops and dedicated virtual assistants.

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

Collect feedback, build roadmaps and announce updates.

Autocomplete queries in the mongo shell, drag and drop, or even query with SQL. Try Studio 3T, your ultimate GUI for MongoDB.

HCL Notes is the email client software that supports social collaboration. Integrates enterprise applications in a single workspace with agile security from the core.

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest.

Secure Mails, 500Mail by 500apps, get safe, encrypted, ad-free emails, and never worry about transmitting personal information again.

Streamline your hiring process with automated interview scheduling. Sync calendars, compare workloads & more to enhance your recruitment efficiency!

An essential suite of email and web security services for SMB and Enterprise.

The MDaemon Email Server is trusted by businesses in over 140 countries to provide a secure, reliable, and affordable alternative to Microsoft Exchange or Microsoft 365. IT professionals recommend MDaemon as an easy-to-use, reliable, and secure mail server that does not require expensive administration or impose high per-user costs. On-premise or hosted email deployment.

Secure, private email hosting service for business or family with mobile sync apps for calendar, contacts, tasks, and notes. Get your private email account.

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

Fasttony: Twoje rozwiązanie do automatyzacji marketingu na Facebooku. Odkryj łatwe w użyciu narzędzia, które zwiększą Twoją obecność online, oszczędzą czas i poprawią efektywność kampanii. Zobacz wiecej!