
Trello
Asana
Microsoft Teams
Discord
Telegram
Basecamp
Mattermost
A messaging app for teams who see through the Earth!

Thunderbird
Microsoft Outlook
eM Client
Mailbird
Airmail
Postbox
Geary
Mailspring is a mail client for Mac, Windows and Linux.

Which is more popular?
Based on our record, Slack should be more popular than Mailspring. It has been mentioned 239 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | slack.com | getmailspring.com |
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| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Slack yet.
Overall verdict
Why this product is good
Recommended for
Mailspring is recommended for users who need a centralized hub for managing multiple email accounts. It is particularly well-suited for professionals who benefit from features like read receipts and link tracking, as well as those looking for a highly customizable email experience.
Walkthroughs and reviews on video.
Review: How & Why We Use Slack At Our Office
More videos
Installation and Configuration Free Email Client Software Mailspring
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Slack and Mailspring. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


i use it at my job it has really helped me keep myself updated with team news and updates. i would prefer it over teams and discord
Slack has transformed how we communicate at Polar Credit, making collaboration faster and more organized. The channel-based messaging, direct integrations with essential tools, and real-time notifications keep our...
Slack has completely transformed how our team works together. The channels keep conversations organized, and we never lose track of important discussions. It integrates with tools like Google Drive and Zoom, making...
Mailspring offers activity tracking, meaning you get notified as soon as contacts read your email messages, and link tracking, so you can see who’s tracking your links.
Mailspring detects the language you are using and automatically spellchecks in that language.
Mailspring supports multiple accounts, read receipts, translations, undo send, and other popular email client features.
Recommendations tracked on public social media and blogs since March 2021.


Electron, React Native, and more recently Tauri came out of that. They gave teams a dynamic runtime, hot reloading, and the whole ecosystem of web libraries, so one team could ship to several platforms at once. And it worked: Slack,... - Source: dev.to / 5 days ago
The problem is that the URL has to be reachable from the public internet. During development, your application runs on localhost:3000, behind a home router or an office NAT. GitHub, Stripe, and Slack cannot reach that address. To test... - Source: dev.to / 6 days ago
Slack is where most work starts and answers land. It gives Pipa the message, requester, workspace, thread, and delivery target. - Source: dev.to / 5 months ago
I love Mailspring, it's modern and open source: https://getmailspring.com/ The UI uses Electron, but the actual sync engine is in C++, so it's pretty fast. - Source: Hacker News / over 3 years ago
The only app I’m aware of which translates emails is this; https://getmailspring.com. Source: almost 4 years ago
Mailspring is quite nice. It also has a paid version and is actively updated so I think it's likely to stick around for awhile. Source: almost 4 years ago
When comparing Slack and Mailspring, you can also consider the following products.

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Compare Trello to Slack or Mailspring:

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Compare Thunderbird to Slack or Mailspring:

Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Compare Asana to Slack or Mailspring:

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Compare Microsoft Outlook to Slack or Mailspring:

Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
Compare Microsoft Teams to Slack or Mailspring:

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.
Compare eM Client to Slack or Mailspring: