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Eclipse vs Listmonk

Eclipse logo

Eclipse

Technology

The Eclipse Foundation - home to a global community

From
Free
Rated
-
Full reviewWebsite
Listmonk logo

Listmonk

Email Marketing

Self-hosted newsletter and mailing list manager that ships as a single Go binary

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Eclipse high memory consumption and CPU usage, especially with multiple plugins installed; Listmonk it is not an email service provider. It hands mail to SMTP servers you configure and does nothing about IP warm-up, domain reputation, DKIM, DMARC or inbox placement, so deliverability failures are entirely yours to diagnose and fix.
  • They diverge on capability: Eclipse covers Java development environment, Listmonk covers Single binary deployment.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Eclipse and Listmonk actually diverge.

Attributes where Eclipse and Listmonk differ
AttributeEclipseListmonk
Pricing modelUnknownOpen source, no licence fee
PlatformsWindows, macOS, LinuxWeb, Self-hosted, Docker, Linux, macOS, Windows
CategoryTechnologyEmail Marketing
Founded2001Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Eclipse

  • Java development environment
  • Extensible plugin architecture
  • Integrated debugger
  • Code refactoring
  • Version control integration
  • Build automation
  • Multi-language support
  • Rich client platform

Only in Listmonk

  • Single binary deployment
  • SQL segmentation
  • Multi-SMTP queues
  • Arbitrary subscriber attributes
  • Go templating
  • Transactional API
  • Bounce processing
  • Messenger webhooks

What people use each for

The jobs each tool is most often brought in to do.

Eclipse

  • Java application developmentnot Listmonk
  • Enterprise software developmentnot Listmonk
  • Web application developmentnot Listmonk
  • Plugin developmentnot Listmonk
  • Educational programmingnot Listmonk

Listmonk

  • A publisher with hundreds of thousands of subscribers faces a five-figure annual bill from a hosted provider and can send the same volume through Amazon SES for a fraction of it.not Eclipse
  • A developer wants campaign audiences defined by an arbitrary SQL query against subscriber attributes, which no hosted segment builder will express.not Eclipse
  • An organisation under privacy or data residency rules needs subscriber data to stay on infrastructure it controls, which rules out every hosted newsletter platform.not Eclipse
  • An open source project or nonprofit needs a mailing list tool with no per-subscriber cost, where the list will grow faster than any budget for it.not Eclipse

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Eclipse

  • High memory consumption and CPU usage, especially with multiple plugins installed
  • Slow startup times and performance degradation with large projects or many open editors
  • Requires configuration of eclipse.ini file to optimize heap sizes for adequate performance
  • User interface considered outdated compared to modern IDE alternatives
  • User base fell from 39% of Java developers in 2024 to 28% in 2025, indicating market decline

Listmonk

  • It is not an email service provider. It hands mail to SMTP servers you configure and does nothing about IP warm-up, domain reputation, DKIM, DMARC or inbox placement, so deliverability failures are entirely yours to diagnose and fix.
  • Running it means running PostgreSQL, backups, upgrades and a mail relay, and the true cost is the engineering time to keep that stack healthy rather than the zero licence fee.
  • The campaign editor and analytics are basic next to Mailchimp or Klaviyo: reporting is limited to opens, clicks and bounces, with no revenue attribution, no ecommerce integration and no deep engagement scoring.
  • SQL-based segmentation puts audience definition beyond a non-technical marketer, so a marketing team without engineering support will be blocked on routine tasks.
  • The AGPLv3 licence obliges you to release source modifications if you offer the software as a network service, which is a real constraint for anyone considering embedding it in a commercial product.

Pricing, plan by plan

Eclipse

Free

No published plan breakdown. See the Eclipse review.

Listmonk

Free
  • Self-hostedFree
    • Full AGPLv3 source
    • Unlimited subscribers and campaigns
    • No feature gating and no send limits in the software
  • Third-party managed hosting$undefined/month
    • Several unaffiliated providers offer hosted Listmonk
    • No official hosted service from the maintainer
    • Prices vary by provider and are not published centrally

Which should you pick?

Choose Eclipse if

  • You need java development environment.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want extensible plugin architecture.
Eclipse review

Choose Listmonk if

  • You need single binary deployment.
  • You want to start without paying.
  • You work on Web, Self-hosted, Docker, Linux, macOS, Windows.
  • You also want sql segmentation.
Listmonk review

Questions people ask

Is Eclipse or Listmonk better?
Neither clearly leads. Eclipse starts at Free and Listmonk at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Eclipse or Listmonk?
Eclipse starts at Free and Listmonk at Free.
Does Eclipse or Listmonk run on more platforms?
Eclipse runs on Windows, macOS, Linux. Listmonk runs on Web, Self-hosted, Docker, Linux, macOS, Windows.
Can I use Eclipse for free?
Both have a free tier, so you can try either at no cost before committing.
What is Eclipse best used for?
Eclipse is most often used for java application development, enterprise software development, web application development, plugin development. Of those, java application development and enterprise software development are not what Listmonk is typically brought in for.
What can Eclipse do that Listmonk cannot?
Eclipse covers Java development environment, Extensible plugin architecture, Integrated debugger, Code refactoring. Listmonk covers Single binary deployment, SQL segmentation, Multi-SMTP queues, Arbitrary subscriber attributes.

Answered from the vendors’ own pages

Eclipse: How much does Eclipse IDE cost?

Eclipse IDE is completely free and open-source, released under the Eclipse Public License 2.0.

Source
Listmonk: Does Listmonk send my emails?

No. It composes, queues and tracks campaigns, then hands the messages to SMTP servers you provide, such as Amazon SES, Postmark or your own relay.

Listmonk: What does it cost to run?

The software is free. The real cost is a small server, a PostgreSQL database and per-email SMTP charges, which through SES are a fraction of hosted newsletter pricing at large list sizes.

Listmonk: What licence is it under?

AGPLv3, which requires you to publish modifications if you offer it as a network service to others.

Listmonk: Is there an official hosted version?

No. Some unaffiliated providers offer managed Listmonk, but the maintainer does not run a hosted service.

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