IceWarp Alternatives (September 2025)

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

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

Emails, calendars, contacts, tasks, chat and more

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

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

Email hosting and collaboration tools for business with free migration and 24/7 support

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.

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

Zoho Workplace is a productivity and collaboration suite trusted by millions. It brings mail, chat, files, office suite, meetings, and more into one place.

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

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

Put some Genius into Gmail! Gmelius is the leading process automation and email collaboration software built for Gmail and Google Workspace. Start for free.

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

Create collaborative online workspace in the secure cloud or host it yourself. Work remotely using features of an online workspace. Manage projects and emails, collaborate on docs, chat in ONLYOFFICE Workspace.

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

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

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

Explore Rocket.Chat, where we put data privacy into every conversation and enable teams to collaborate seamlessly.

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

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

Team-GPT helps companies adopt ChatGPT for their work. Organize knowledge, collaborate, and master AI in one shared workspace. 100% private and secure.

MX Layer provides cutting-edge cloud-based solutions for email security, business continuity, data loss prevention, and email archiving services.

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

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

Mattermost is a secure collaboration platform for accelerating mission critical work in complex environments.

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

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.

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

We are the Experts in Email Archiving: Innovative Email Archiving Solutions for small and medium-sized Businesses.

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

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.

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

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

The award-winning Clearswift Secure Email Gateway offers an unprecedented level of email security, including cyberattack protection and data loss prevention.

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

Boost productivity and streamline communication with GroupWise, our enterprise collaboration software perfect for remote and virtual teams

Supercharge your Gmail: label sharing, export email to sheets, etc. Backup and sync solutions for G Suite, Office 356, Egnyte, Box and Dropbox for Business. Secure and fast migration solution: migrate from Box to Office 365, migrate to G Suite, etc. Helping your productivity, 1 click at a time.

2024's Premier AI Chatbot Builder Platform: Quickly Deploy Custom GPT Chatbots in Under 5 Minutes. Experience seamless integration with leading technologies including OpenAI and Google AI's Gemini, ensuring a comprehensive communication experience. Our platform's flat fee structure offers a straightforward, cost-effective solution for AI-powered business communication at scale. Elevate your digital strategy with our cutting-edge solution, designed for superior engagement and customer interaction.

Microsoft Exchange Email from Intermedia offers enterprise email services backed by 24/7 support and a 99.999% uptime.

GreatHorn is an API, cloud-native email security solution that mitigates the risk of business email compromise across Microsoft 365 and Google Workspace.

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.

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

Protect your business e-mail from cyberattacks: phishing, ransomware, spam, viruses. Installation in just a few clicks. French solution 🇫🇷

An all-in-one free platform to manage your team and run your sales, Bitrix24 is designed to be seamlessly integrated into all your business processes and help you manage them with the highest precision and efficiency.

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

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

The most popular open source content collaboration platform for tens of millions of users at thousands of organizations across the globe

Email and chat for your team

N-able SpamExperts offers professional anti-spam email filtering and archiving for Web hosting providers, Internet Service Providers and Telcos.

SMX offers a cloud-based email security solution for SEG, archiving and added Microsoft 365 defence. Trusted by enterprises, governments and ISPs across ANZ.

Securely collaborate on documents in cloud-based portals. Enhance client relationships by centralizing people, documents, and actions.

Cryoserver is an email archiving solution which preserves your email in a tamper-evident archive, turning your data into a useful archive for everyday use.

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

Increase your team's AI adoption with AICamp's collaborative AI Platform. Connect your own OpenAI/Anthropic/Custom API keys for Claude, GPT-4 Gemini, Mistral, Llama, and more. Boost productivity with this affordable ChatGPT alternative

All your favorite chatbots under one roof, including ChatGPT, OpenAI GPT4, Google Bard, Llama 2 & more. With multilingual support, voice & file chat and mobile apps.

Exceptional Email Security, Email Archiving and Phishing Awareness. Libraesva stops Zero-Day Email Attacks, integrating with M365 and Google

Meet your AI workforce with Taskade! Build, train, and deploy AI agents that think, learn, and act—ready to plan, research, and complete tasks alongside your team. Unlock agentic workflows where humans and AI collaborate to boost productivity 10X. Automate tasks and turn insights into action—all in one unified workspace.

Email, group chat and tasks for productive teams. One app for all your internal and external communication. Work management at its best. Try it free!

Share code, track work, and ship software using integrated developer tools, hosted on-premises with Azure DevOps Server

Yandex 360 is a digital space that makes it easy to schedule and save important events and share memories. Register to get started — it's free. You can choose a Yandex 360 Premium plan to use even more features.

Accessible live chat and chatbot software for sales, marketing and customer support on your website. Start talking to your customers today!

Save time & resources by adding collaboration and productivity features like chat, messenger, files, feeds, AI, & cloud with easy pre-built components for your b2b web app

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

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!

Fireflies uses generative AI to bring ChatGPT to meetings. Generate transcripts and smart summaries for Zoom, Google Meet, Microsoft Teams, Webex and several other platforms.

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

Transform your e-commerce CAC, retention, and support with Level-3 AI on WhatsApp. Deliver exceptional experiences and scale without growing your team!

Infomaniak, the Ethical Cloud - we develop the very best solutions in terms of web infrastructure to facilitate your success. Local support accessible 7 days week

TeamAI is a shared AI workspace for teams to collaborate using Gemini, GPT-4, and LLaMA. Streamline workflows, boost creativity, and leverage AI.

Securely archive, search, and analyze your company's email on one platform, preserving vital data while gaining instant business insights.

Get a free video meeting solution with built-in messaging, mobile app, tip-top security and more. All from a provider trusted by over 400,000 businesses.

Share files and collaborate easily with OneDrive cloud storage for business. Work in the same document at the same time in real-time with Microsoft OneDrive.

Shared inbox for a transparent workspace—Zoho TeamInbox lets you manage team emails efficiently, gives you clutter free inboxes and helps attain Inbox Zero easily.

Coda is an all-in-one platform that blends the flexibility of docs, structure of spreadsheets, power of applications, and intelligence of AI.

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

Unlock the power of Blocks - the ultimate AI-powered no-code email builder. Craft visually appealing emails without any coding skills. Try it today!

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

SoWork is your Smart Virtual Office. It gives your remote team efficiency, presence, spontaneity, and connection.

Web hosting services helping 3,000,000+ domains thrive online with ultrafast speed, unmatched security, and 24/7 fast and expert support! Get started now!

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

Use your OpenAI API key for one-click access to a team of AI agents. Summarize content, generate code, draft tweets, and more directly inside your browser.

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.

Email Security, Archiving, Encryption, & Awareness Training. Compatible with Office 365. Virus, Phishing, Ransomware & Malware Protection.

Advanced AI platform, for NER, sentiment analysis, emotion analysis, text classification, summarization, dialogue summarization, question answering, text generation, image generation, translation, language detection, grammar and spelling correction, intent classification, paraphrasing and rewriting, code generation, chatbot/conversational AI, automatic speech recognition api, speech to text, semantic similarity, semantic search, speech synthesis, Part-Of-Speech tagging, tokenization, lemmatization, and embeddings. Use the best AI engines without sacrificing data privacy.

Enhance VIPRE Email Security Cloud with unparalleled protection against malicious links and infected attachments.

Business communication and team messaging software. Unlimited users, direct and group messages, and unlimited message history.

Email archiving, e-discovery, compliance and forensics software that helps retain, organize and mine email data

Quip is real-time collaborative documents, spreadsheets, and chat embedded inside Salesforce to transform any business process.

Archive, manage, and secure your organization's email with archiving software designed specifically for Exchange.

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

Hitask is a unique project and task manager for teams. It helps to focus on team collaboration, getting tasks done and manage an entire project.

End-to-end encrypted communication and collaboration with tasks, documents and projects for business teams.

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

Reduce support volumes and increase customer satisfaction in minutes with the AI bot that is trained with your own docs and content.

We’re powering the next generation of secure email communications for your organization, preventing data leaks & empowering people to work securely.

Boomerang adds integrated meeting scheduling and email productivity tools to your Gmail and Google Workspace accounts, helping you focus on what matters.