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# Eclipse RAP vs Vaadin Comparison - What are their main differences?

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Eclipse RAPVaadin[+ Add Product](#)

Reviews

**Eclipse RAP** [

4.1/5(17)

](https://www.g2.com/products/eclipse-rap/reviews#reviews)

**Vaadin** [

4.1/5(36)

](https://www.g2.com/products/vaadin/reviews#reviews)

Pricing

**Eclipse RAP**
No pricing available

**Vaadin**
Free Trial

**Free** · Free

**Pricing Insights**
from reviews

Time to Implement

**Eclipse RAP**
Not enough reviews yet

**Vaadin**
Not enough reviews yet

Return on Investment

**Eclipse RAP**
Not enough reviews yet

**Vaadin**
Not enough reviews yet

Perceived Cost

**Eclipse RAP**
Not enough reviews yet

**Vaadin**
$$$$$

Average Discount

**Eclipse RAP**
Not enough reviews yet

**Vaadin**
Not enough reviews yet

Pros & Cons

**Eclipse RAP**
Not enough data

**Vaadin**
Not enough data

Screenshots

**Eclipse RAP**
No screenshot available

**Vaadin**
 ![Vaadin screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/111090/components-1.png)

Ratings

Meets Requirements

**Eclipse RAP**

8.5

8.511

**Vaadin**

8.4

8.429

Ease of Use

**Eclipse RAP**

9.1

9.111

**Vaadin**

8.4

8.430

Ease of Setup

**Eclipse RAP**
Not enough data

**Vaadin**

8.5

8.513

Ease of Admin

**Eclipse RAP**
Not enough data

**Vaadin**

8.3

8.311

Quality of Support

**Eclipse RAP**

8.3

8.310

**Vaadin**

8.3

8.328

Has the product been a good partner in doing business?

**Eclipse RAP**
Not enough data

**Vaadin**

8.2

8.210

Product Direction (% positive)

**Eclipse RAP**

8.9

8.911

**Vaadin**

8.0

8.029

User Insights

Reviewers' Company Size

[![Eclipse RAP](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_63f44e11b0c1abeae2efb345e780b8d7/eclipse-rap.png "Eclipse RAP")](https://www.g2.com/products/eclipse-rap/reviews)

Eclipse RAP

Small-Business(50 or fewer emp.)

41.2%

Mid-Market(51-1000 emp.)

23.5%

Enterprise(\> 1000 emp.)

35.3%

[![Vaadin](https://images.g2crowd.com/uploads/product/hd_favicon/3eafadce7e5a72d053cf43e5a41bce36/vaadin%282%29.svg "Vaadin")](https://www.g2.com/products/vaadin/reviews)

Vaadin

Small-Business(50 or fewer emp.)

51.4%

Mid-Market(51-1000 emp.)

25.7%

Enterprise(\> 1000 emp.)

22.9%

Small-Business

(50 or fewer emp.)

41.2%

51.4%

Mid-Market

(51-1000 emp.)

23.5%

25.7%

Enterprise

(\> 1000 emp.)

35.3%

22.9%

Reviewers' Industry

[![Eclipse RAP](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_63f44e11b0c1abeae2efb345e780b8d7/eclipse-rap.png "Eclipse RAP")](https://www.g2.com/products/eclipse-rap/reviews)
Eclipse RAP

Computer Software

23.5%

Higher Education

17.6%

Research

11.8%

Medical Devices

5.9%

Insurance

5.9%

Other

35.3%

[![Vaadin](https://images.g2crowd.com/uploads/product/hd_favicon/3eafadce7e5a72d053cf43e5a41bce36/vaadin%282%29.svg "Vaadin")](https://www.g2.com/products/vaadin/reviews)
Vaadin

Information Technology and Services

22.9%

Computer Software

22.9%

Financial Services

11.4%

Banking

8.6%

Marketing and Advertising

5.7%

Other

28.6%

FAQs

## Eclipse RAP vs Vaadin FAQs

Generated using AI

Last updated: August 15, 2026

### What is the difference between Eclipse RAP vs Vaadin?

Eclipse RAP and Vaadin are rated equally by G2 reviewers, but Vaadin has a higher Ease of Setup score and more total reviews, while Eclipse RAP's top strength is its clean UI and plugin support.

| | [Eclipse RAP](https://www.g2.com/products/eclipse-rap/reviews) | [Vaadin](https://www.g2.com/products/vaadin/reviews) |
| --- | --- | --- |
| G2 Rating (reviews) | 4.1/5 (17 reviews) | 4.1/5 (36 reviews) |
| Ease of Setup score | — | 8.5 |
| Quality of Support score | 8.3 | 8.3 |
| Top Reviewer-Cited Strength | Clean and neat UI, strong plugin and add-on support | Large component library, rapid Java-based UI development |

### How do the pricing models of Eclipse RAP and Vaadin compare?

G2 reviewers rate Eclipse RAP and Vaadin at parity on value, with no Price/Cost dimension score available for either product.

- **Eclipse RAP:** Reviewers highlight its open-source nature and ease of implementation as value drivers.
- **Vaadin:** Reviewers note that while the free version enables rapid development, costs can be high for small businesses and advanced features.
- **Switching reasons:** Recent reviews mention choosing Vaadin for its mature Java-based UI framework and component library, but cite cost as a consideration for smaller teams.

### What are the best alternatives to Eclipse RAP and Vaadin?

The top three alternatives to Eclipse RAP and Vaadin are spring.io, JHipster, and Jmix.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [Eclipse RAP](https://www.g2.com/products/eclipse-rap/reviews) | 4.1/5 (17 reviews) | — | Open source, easy to implement | Clean UI, plugin support |
| [Vaadin](https://www.g2.com/products/vaadin/reviews) | 4.1/5 (36 reviews) | — | Free version available, higher costs for advanced features | Large component library, Java-based UI |
| [spring.io](https://www.g2.com/products/spring-io/reviews) | 4.5/5 (320 reviews) | Enterprise | — | Enterprise-grade framework, robust ecosystem |
| [JHipster](https://www.g2.com/products/jhipster/reviews) | 4.4/5 (97 reviews) | Small-Business | — | Rapid application generation, modern stack integration |
| [Jmix](https://www.g2.com/products/jmix/reviews) | 4.8/5 (23 reviews) | Small-Business | — | High extensibility, developer productivity |

### Which Java Web Frameworks features should I prioritize when comparing Eclipse RAP and Vaadin?

Buyers comparing Eclipse RAP and Vaadin should prioritize Ease of Use, Ease of Setup, Quality of Support, Meets Requirements, and component library depth.

- **Ease of Use:** Eclipse RAP scores 9.1, Vaadin scores 8.4.
- **Ease of Setup:** Vaadin scores 8.5; Eclipse RAP not rated.
- **Quality of Support:** Both score 8.3.
- **Meets Requirements:** Eclipse RAP scores 8.5, Vaadin scores 8.4.
- **Component Library Depth:** Vaadin is frequently cited for its large component library and rapid UI development in recent reviews.

### What are the pros and cons of Eclipse RAP vs Vaadin?

Eclipse RAP's headline strength is its clean UI and plugin support, while Vaadin's is its large component library and rapid Java-based UI development.

- **Eclipse RAP strengths:** Clean and neat UI, strong plugin and add-on support, open-source flexibility, easy transition from desktop to web applications.
- **Eclipse RAP trade-offs:** Documentation can be outdated or sparse, maintenance and customization may be time-consuming, performance lags under heavy tasks, and debugging can be challenging.
- **Vaadin strengths:** Large library of UI components, rapid development in pure Java, strong integration with Java backend, mature and stable framework, good documentation and community support in recent reviews.
- **Vaadin trade-offs:** High memory usage, higher costs for advanced features, less suitable for large-scale or highly customized applications, and some reviewers cite limited integration options and slower performance for complex apps.

### Is Eclipse RAP or Vaadin better for small businesses?

Vaadin is more frequently cited as a fit for small businesses, with recent reviews highlighting its suitability for rapid development and migration from Java Swing.

- **Eclipse RAP:** No largest segment data available; reviewers note its open-source nature and ease of implementation but do not specifically highlight small-business adoption.
- **Vaadin:** Recent reviews from small-business users emphasize its approachable learning curve, rapid prototyping, and suitability for teams migrating from Java desktop applications.

### Which Java Web Frameworks platform has better integrations?

G2 reviewers do not cite a clear integration advantage for either Eclipse RAP or Vaadin.

- **Eclipse RAP:** No reviewer-cited integrations in recent reviews.
- **Vaadin:** No reviewer-cited integrations in recent reviews.

### How do Eclipse RAP and Vaadin compare on customer support?

Eclipse RAP and Vaadin are rated at parity for Quality of Support, both scoring 8.3.

- **Eclipse RAP:** Reviewers describe support as responsive and helpful, with several citing positive experiences in resolving setup and transition issues.
- **Vaadin:** Reviewers mention good and fast support, helpful documentation, and an active online community, though some note less support for complex or large-scale applications.

### Which is easier to implement, Eclipse RAP or Vaadin?

Vaadin has a higher Ease of Setup score (8.5) than Eclipse RAP (not rated), indicating reviewers find Vaadin easier to implement.

- **Eclipse RAP:** Reviewers describe setup as straightforward for Java developers, with positive experiences transitioning from desktop to web, but note challenges with documentation and building final products.
- **Vaadin:** Reviewers consistently highlight rapid setup, approachable learning curve for Java developers, and fast prototyping, with scores of 6.0 to 7.0 in recent reviews.

Alternatives

**Eclipse RAP Alternatives**

 ![spring.io](https://images.g2crowd.com/uploads/product/hd_favicon/13b10fbf78fe0ef9bab8268eb1f3d7aa/spring-io.svg "spring.io")

[
spring.io
](/products/spring-io/reviews)

 ![Jmix](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_91f6f287080cb65e412bfb8d4c704bd3/jmix.png "Jmix")

[
Jmix
](/products/jmix/reviews)

 ![Grails](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_36f1bae8310bb7a2f8417ff867932e4a/grails.png "Grails")

[
Grails
](/products/grails/reviews)

 ![JHipster](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_95c64c1be649c4ad42eba5485d80e94a/jhipster.png "JHipster")

[
JHipster
](/products/jhipster/reviews)

**Vaadin Alternatives**

 ![spring.io](https://images.g2crowd.com/uploads/product/hd_favicon/13b10fbf78fe0ef9bab8268eb1f3d7aa/spring-io.svg "spring.io")

[
spring.io
](/products/spring-io/reviews)

 ![JHipster](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_95c64c1be649c4ad42eba5485d80e94a/jhipster.png "JHipster")

[
JHipster
](/products/jhipster/reviews)

 ![Jmix](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_91f6f287080cb65e412bfb8d4c704bd3/jmix.png "Jmix")

[
Jmix
](/products/jmix/reviews)

 ![Apache Wicket](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_b4fa4b528db8ec19e04f4485c93361c8/apache-wicket.png "Apache Wicket")

[
Apache Wicket
](/products/apache-wicket/reviews)

## Eclipse RAP vs Vaadin

- Reviewers felt that Eclipse RAP meets the needs of their business better than Vaadin.
- When comparing quality of ongoing product support, Eclipse RAP and Vaadin provide similar levels of assistance.
- For feature updates and roadmaps, our reviewers preferred the direction of Eclipse RAP over Vaadin.