Opera Mail Alternatives

Opera Mail is described as *'powerfully organizes, indexes, and sorts your messages.

It has spam filtering (both automated and Bayesian), supports POP3 and IMAP, newsgroups as well as Atom and RSS feeds.

Opera Mail uses one database that keeps an index of all mail, and sorts the messages automat'* and is a popular Email Client in the office & productivity category. There are more than 25 alternatives to Opera Mail for a variety of platforms, including Windows, Linux, Mac, Android and Android Tablet. The best alternative is Thunderbird, which is both free and Open Source. Other great apps like Opera Mail are K-9 Mail, Microsoft Office Outlook, FairEmail and Evolution.

Opera Mail alternatives are mainly Email Clients but may also be Calendar Apps or Project Management Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Opera Mail.

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Opera Mail

Free • Proprietary
Email Client

Mac
Windows
PortableApps.com

Opera Mail powerfully organizes, indexes, and sorts your messages.

It has spam filtering (both automated and Bayesian),...

Learn more about Opera Mail

Thunderbird
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Yes
No
Free • Open Source
Email Client
Calendar App
Mac
Windows
Linux
BSD
AppImageHub
Snapcraft
Flathub
PortableApps.com
Haiku
Homebrew
Chocolatey
93 alternatives to Thunderbird
Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
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Thunderbird Features
1. Extensible by Plugins/ExtensionsThunderbird can be extended with add-ons, plugins and extensions.
2. Multiple Account supportThunderbird support multiple accounts without the need to logout and login
3. Calendar IntegrationThunderbird lets you sync your tasks and events with your calendar application.
4. Email OrganizerThunderbird allows you to take control of your inbox by filtering and control tools.
5. Dark ModeThunderbird supports dark mode for comfortable usage in low light conditions.
6. Import/Export OPML FeedsImport and export your feed subscriptions into OPML format with Thunderbird.
7. PortableThunderbird can be used from a USB stick or similar with no prior installation.
8. Support for ThemesYou can use themes and templates to change the look and feel of Thunderbird.
9. Integrated Password ManagerThunderbird lets you access all the passwords you’ve saved across your different devices.
IMAP Support
SMTP Support
FOSS
Built-in RSS reader
POP3 Support
Add-ons
Intuitive
Graphical User Interface
Customizable
Built-in Calendar
Thunderbird vs Opera Mail opinions
Most users think Thunderbird is a great alternative to Opera Mail.
zibusisomasuku
The addons extend Thunderbird's functionality making it by far the best email client ever made.
Positive comment•
-2
K-9 Mail
Do you think this is a good alternative?
Yes
No
Free • Open Source
Email Client
Android
Android Tablet
F-Droid
46 alternatives to K-9 Mail
K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.
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K-9 Mail Features
1. Ad-freeK-9 Mail doesn't contain any form of external advertising.
2. Multiple Account supportK-9 Mail support multiple accounts without the need to logout and login
3. Privacy focusedK-9 Mail is considered a privacy friendly alternative.
4. PGP EncryptionK-9 Mail supports PGP, an encryption system used for sending encrypted emails and files.
IMAP Support
Configurable
POP3 Support
One view multiple accounts
Contacts
Custom notifications
Header sorting
Exchange
K-9 Mail vs Opera Mail opinions
pros, cons and recent comments
ndlinn
Not a desktop email application
Negative comment•
1
Microsoft Office Outlook
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Yes
No
Paid • Proprietary
Email Client
Calendar App
Mac
Windows
Online
Android
iPhone
Android Tablet
Windows Phone
iPad
Apple Watch
Android Wear
135 alternatives to Microsoft Office Outlook
Microsoft Outlook, part of the Microsoft 365 (Office) (not to be confused with Microsoft Outlook Express), is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
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Microsoft Office Outlook Features
1. Email OrganizerMicrosoft Office Outlook allows you to take control of your inbox by filtering and control tools.
2. Calendar IntegrationMicrosoft Office Outlook lets you sync your tasks and events with your calendar application.
3. Calendar ViewMicrosoft Office Outlook has a built-in calendar view to have a clear overview of your content over time.
4. Support for AliasesMicrosoft Office Outlook supports aliases, so you can receive email without exposing your main email address
5. Unified inboxView e-mails (or similar) from all accounts in one unified view with Microsoft Office Outlook.
6. Multiple Account supportMicrosoft Office Outlook support multiple accounts without the need to logout and login
7. Works OfflineMicrosoft Office Outlook can be used without the need to connect to the internet.
8. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
9. Dark ModeMicrosoft Office Outlook supports dark mode for comfortable usage in low light conditions.
Exchange
Native application
Onenote Desktop Integration
Contacts
Built-in Calendar
Address book integration
Onedrive integration
Smart attachments
Custom rules
Exchange Integration
FairEmail
Do you think this is a good alternative?
Yes
No
Freemium • Open Source
Email Client
Android
Android Tablet
F-Droid
45 alternatives to FairEmail
FairEmail is a privacy-focused email client with a setup wizard that helpfully walks you through the steps to use it with any email provider. There are many privacy settings including encryption via OpenPGP and S/MIME and reformatted emails to avoid phishing.
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FairEmail Features
1. Privacy focusedFairEmail is considered a privacy friendly alternative.
2. Multiple Account supportFairEmail support multiple accounts without the need to logout and login
3. PGP EncryptionFairEmail supports PGP, an encryption system used for sending encrypted emails and files.
4. Block TrackersFairEmail has a feature to block trackers from tracking you.
5. Works OfflineFairEmail can be used without the need to connect to the internet.
6. Ad-freeFairEmail doesn't contain any form of external advertising.
7. No TrackingFairEmail will not track you or use your personal data.
8. Calendar IntegrationFairEmail lets you sync your tasks and events with your calendar application.
Customizable
Email notifications
Extensive settings menu
IMAP Support
Notifications
S/MIME Support
Evolution
Do you think this is a good alternative?
Yes
No
Free • Open Source
Email Client
Calendar App
Linux
BSD
S/MIME
GNOME
OpenPGP
Flathub
82 alternatives to Evolution
Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality. Evolution supports a wide range of industry standard data formats and network protocols for information exchange, with an emphasis on...
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Evolution Features
1. Calendar IntegrationEvolution lets you sync your tasks and events with your calendar application.
2. Calendar ViewEvolution has a built-in calendar view to have a clear overview of your content over time.
3. Ad-freeEvolution doesn't contain any form of external advertising.
4. Multiple Account supportEvolution support multiple accounts without the need to logout and login
5. GPG EncryptionEvolution supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
6. Spam FilterEvolution can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
7. RemindersEvolution allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
8. Sync with Google CalendarEvolution can be synchronized with Google Calendar
Contacts
CalDAV Support
Encrypted Email
CardDAV Support
Personal Information Manager (PIM)
IMAP Support
Exchange
POP3 Support
Multiple languages
Integrated Spam Protection
OpenProject
Do you think this is a good alternative?
Yes
No
Freemium • Open Source
Project Management Tool
Task Management Tool
Team Collaboration Tool
Linux
Self-Hosted
Ruby
Cloudron
191 alternatives to OpenProject
OpenProject is an open-source project management software with a wide set of features and plugins. It supports project timelines / Gantt charts, issue tracking, wiki, document management, time and cost reporting, code management, Scrum and much more.
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OpenProject Features
1. Kanban BoardOpenProject allows you to organize your workflow by moving cards with drag-and-drop functionality between multiple columns.
2. Gantt-chartsOpenProject allows you to visualize your project plan through a timeline with schedule bars and keep track of the work done.
3. Ad-freeOpenProject doesn't contain any form of external advertising.
4. WYSIWYG SupportOpenProject integrates a WYSIWYG editor to edit the look and content of a document, page, or file.
5. Support for MarkDownOpenProject supports MarkDown for document formatting.
6. Scrum BoardsTrack your team's work progress in OpenProject through individual sprints across different stages of your workflow, using the Scrum methodology.
7. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
8. Hierarchical StructureOrganize your notes, pages, documents, etc., hierarchically with OpenProject.
Work Item Tracking
Agile boards
Timeline
Wiki
Cost estimate
Email tracking
Reporting
Meeting
Splitting costs
Cost Calculator
Mailspring
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Yes
No
Freemium • Open Source
Email Client
Mac
Windows
Linux
Arch Linux
Fedora
Ubuntu
45 alternatives to Mailspring
Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.
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Mailspring Features
1. Unified inboxView e-mails (or similar) from all accounts in one unified view with Mailspring.
2. Multiple Account supportMailspring support multiple accounts without the need to logout and login
3. Dark ModeMailspring supports dark mode for comfortable usage in low light conditions.
4. Support for ThemesYou can use themes and templates to change the look and feel of Mailspring.
5. Ad-freeMailspring doesn't contain any form of external advertising.
6. Email OrganizerMailspring allows you to take control of your inbox by filtering and control tools.
7. Extensible by Plugins/ExtensionsMailspring can be extended with add-ons, plugins and extensions.
Customizable
Email tracking
User friendly
Snooze Mail
Built-in translation
Built-in themes
Auto Update
Notifications
Sidebar
Theme Customization
Spark Mail
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Yes
No
Freemium • Proprietary
Email Client
Calendar App
Mac
Windows
Android
iPhone
iPad
Apple Watch
58 alternatives to Spark Mail
E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.
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Spark Mail Features
1. Multiple Account supportSpark Mail support multiple accounts without the need to logout and login
2. Email SchedulingYou can schedule a marketing, sales, or personal email for a time in the future with Spark Mail.
3. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
4. Email OrganizerSpark Mail allows you to take control of your inbox by filtering and control tools.
5. Calendar IntegrationSpark Mail lets you sync your tasks and events with your calendar application.
6. Dark ModeSpark Mail supports dark mode for comfortable usage in low light conditions.
7. Works OfflineSpark Mail can be used without the need to connect to the internet.
8. Unified inboxView e-mails (or similar) from all accounts in one unified view with Spark Mail.
Sorting by folder
Snooze Mail
Exchange
AI-Powered
Postpone email reception
eM Client
Do you think this is a good alternative?
Yes
No
Freemium • Proprietary
Email Client
Calendar App
Mac
Windows
64 alternatives to eM Client
eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.
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eM Client Features
1. Calendar IntegrationeM Client lets you sync your tasks and events with your calendar application.
2. Multiple Account supporteM Client support multiple accounts without the need to logout and login
3. PGP EncryptioneM Client supports PGP, an encryption system used for sending encrypted emails and files.
4. Dark ModeeM Client supports dark mode for comfortable usage in low light conditions.
5. Unified inboxView e-mails (or similar) from all accounts in one unified view with eM Client.
6. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
7. Email OrganizereM Client allows you to take control of your inbox by filtering and control tools.
8. Sync with Google CalendareM Client can be synchronized with Google Calendar
9. Automatic BackupeM Client will automatically back up your data periodically.
IMAP Support
Exchange
CardDAV Support
CalDAV Support
Contacts
Gmail integration
Calendar Sync
POP3 Support
Email preview
Sync Contacts
eM Client vs Opera Mail opinions
hanssietsma
Compatibility with native exchange server, so one can sync not only mail, but tasks, calender and contacts too.
Positive comment•
1
Geary
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Yes
No
Free • Open Source
Email Client
Linux
BSD
GNOME
Flatpak
Flathub
52 alternatives to Geary
Geary is an email application built around conversations, for the GNOME 3 desktop.
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Geary Features
1. Multiple Account supportGeary support multiple accounts without the need to logout and login
2. Dark ModeGeary supports dark mode for comfortable usage in low light conditions.
3. LightweightGeary consumes less device resources compared to similar apps.
4. Spam FilterGeary can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
5. Ad-freeGeary doesn't contain any form of external advertising.
6. Privacy focusedGeary is considered a privacy friendly alternative.
7. Email OrganizerGeary allows you to take control of your inbox by filtering and control tools.
Conversational email approach
SMTP Support
IMAP Support
Labels for content
Gmail integration
Multiple languages