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IceWarp alternatives · Email

Free alternatives to IceWarp

IceWarp has no free plan. 82 of the 125 other email apps in this directory are free or have a free plan.

IceWarp is a paid product with a free trial, starting at $1.50 per user / month, billed monthly ($1.35 billed annually). 30 of them have no paid plan at all; the rest pair a free plan with paid ones.

82 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to IceWarp

  1. Axigen

    Mail server with calendars and webmail for Windows and Linux

    What is free: Free Mail Server: 10 domains, 10 users, 10 groups, aliases and public folders, for home, small business and test use.

    • Axigen has a free plan. IceWarp does not, though it has a free trial.
    • Only Axigen lists a Linux app.
    • Only IceWarp lists macOS, iOS and Android apps.
    • Axigen is self-hostable, according to its own site.
    Axigen vs IceWarpAxigen pricing and details

  2. SmarterMail

    Business mail server for Windows and Linux with webmail

    What is free: SmarterMail Free: one domain with up to 10 mailboxes, on Windows or Linux.

    • SmarterMail starts at $550 for Professional with 50 mailboxes; license term not stated. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • SmarterMail has a free plan. IceWarp does not, though it has a free trial.
    • Only SmarterMail lists a Linux app.
    • Only IceWarp lists macOS, iOS and Android apps.
    SmarterMail vs IceWarpSmarterMail pricing and details

  3. hMailServer

    Free open-source mail server that runs on Windows

    What is free: Everything. There is no paid plan.

    • hMailServer is free. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • hMailServer has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists a web app.
    • Only IceWarp lists macOS, iOS and Android apps.
    hMailServer vs IceWarphMailServer pricing and details

  4. Spike

    Chat-style email app with team chat, notes, tasks and video calls

    What is free: Email App Free: 1 email address, 60 days of search history and 1 GB of notes storage. Teamspace Starter: free for up to 3 members with 15 GB each. Both get 10 queries per AI feature.

    • Spike starts at $4 per member / month, billed annually (Teamspace Team); Email App Pro is $6. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Spike has a free plan. IceWarp does not, though it has a free trial.
    • Spike also covers tasks and shared inbox.
    • IceWarp also covers file sharing.
    Spike pricing and details

  5. Mailo

    French webmail with a free tier, ad-free paid plans and calendar

    What is free: Mailo Free: 1 GB mailbox, 500 MB for documents and photos, 5 aliases, IMAP4, and advertising banners.

    • Mailo starts at €1.50 per month, for a 1 to 5 year term. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Mailo has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows and macOS apps.
    • IceWarp also covers team chat and video calls.
    Mailo pricing and details

  6. Mail.com

    Free webmail with 100+ domain names and optional ad-free Premium

    What is free: Free account with ads, 65 GB of email storage, 2 GB of cloud storage, web access and the iOS and Android apps.

    • Mail.com starts at $9.99 per 3 months (Premium). IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Mail.com has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows and macOS apps.
    • Mail.com also covers documents.
    Mail.com pricing and details

  7. Yandex Mail

    Free webmail inside the Yandex 360 suite with 5 GB of Disk space

    What is free: Yandex Mail, Disk, Telemost and other Yandex 360 services with ads and 5 GB of Disk space.

    • Yandex Mail starts at $2.42 per month, billed annually ($28.99 a year, Personal). IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Yandex Mail has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows, macOS, iOS and Android apps.
    • Yandex Mail also covers documents.
    Yandex Mail pricing and details

  8. WEB.DE

    German freemail with a sorted inbox, cloud space and paid MailPlus

    What is free: FreeMail: €0 with 1 GB of email storage, 4 GB of online storage, attachments up to 20 MB and 2 email addresses.

    • WEB.DE starts at €3.99 per month (MailPlus). IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • WEB.DE has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows and macOS apps.
    • WEB.DE also covers inbox filtering.
    WEB.DE pricing and details

  9. Stalwart Mail Server

    Open-source mail and collaboration server written in Rust

    What is free: Community edition: the full mail server under AGPL-3.0, free to run on your own infrastructure.

    • Stalwart Mail Server starts at $2.40 per mailbox / year, billed annually (25-mailbox minimum). IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Stalwart Mail Server has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows, macOS, iOS and Android apps.
    • Stalwart Mail Server is open source and self-hostable, according to its own site.
    Stalwart Mail Server pricing and details

  10. Spark Mail

    Email client with a unified smart inbox, AI tools and team features

    What is free: Unlimited email accounts in a unified Smart Inbox with snooze, send later, reminders and calendar, plus 5 AI meeting notes in total and an AI Assistant preview limited to 1 month of email history.

    • Spark Mail starts at $8.25 per user / month, billed annually ($99 / year). IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Spark Mail has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists a web app.
    • Spark Mail also covers meeting notes, templates and shared inbox.
    Spark Mail pricing and details

  11. Proton Mail

    End-to-end encrypted email service based in Switzerland

    What is free: Proton Free: 1 email address, up to 1 GB of mail storage (500 MB until the setup steps are completed), a limit of 150 sent messages a day and 3 personal calendars.

    • Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Proton Mail has a free plan. IceWarp does not, though it has a free trial.
    • Only Proton Mail lists a Linux app.
    • Proton Mail is open source and end-to-end encrypted, according to its own site.
    Proton Mail pricing and details

  12. Microsoft Outlook

    Microsoft's email and calendar app for desktop, mobile and web

    What is free: Free Outlook for 1 person: email and calendar on the web, desktop and mobile apps, 15 GB of mailbox storage, 5 GB of cloud storage and core spam filtering. The free inbox shows ads.

    • Microsoft Outlook starts at $1.99 per month, or $19.99 per year (Microsoft 365 Basic). IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Microsoft Outlook has a free plan. IceWarp does not, though it has a free trial.
    • Microsoft Outlook also covers tasks and inbox filtering.
    • IceWarp also covers team chat, video calls and file sharing.
    Microsoft Outlook pricing and details

70 more that are free or have a free plan

All 82 in one table

Common questions

Is there a free alternative to IceWarp?

Yes. Axigen, SmarterMail, hMailServer, Spike, Mailo, Mail.com, Yandex Mail, WEB.DE and 74 more are free or have a free plan.

Does IceWarp have a free plan?

IceWarp has no free plan. IceWarp is a paid product with a free trial, starting at $1.50 per user / month, billed monthly ($1.35 billed annually).

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to IceWarp: the alternatives its listing names first, then the tools that share the most features with it.