1. [Home](https://www.g2.com/) 2. ... 3. [Java Web Frameworks](https://www.g2.com/categories/java-web-frameworks) 4. [Vaadin Discussions](https://www.g2.com/products/vaadin/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_e1d4aaf4028469aa83889d8e7349cb10/vaadin.png "Product Avatar Image") ](/products/vaadin/reviews) [ Vaadin ](/products/vaadin/reviews) (36)4.1/5 Vaadin is the open-source web framework for building enterprise apps in Java. From backend to modern UIs, Vaadin helps you deliver production-ready apps faster with a unified Java stack, built-in security, and enterprise-grade UI components. Show More * * * ### 45.0 Nps Score Already have Vaadin? ### All Vaadin Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 3 years ago More Options - [ # Is vaadin backend? ](/discussions/is-vaadin-backend) Is vaadin backend? [ Java Web Frameworks ](https://www.g2.com/tags/java-web-frameworks) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.&title=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) 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[ Java Web Frameworks ](https://www.g2.com/tags/java-web-frameworks) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.&title=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) 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[ Java Web Frameworks ](https://www.g2.com/tags/java-web-frameworks) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.&title=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) 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[ Java Web Frameworks ](https://www.g2.com/tags/java-web-frameworks) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.&title=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • over 5 years ago More Options - [ # Is there an easy resource to find and compare version differences? ](/discussions/36212-is-there-an-easy-resource-to-find-and-compare-version-differences) Throughout the whole time we used Vaadin, we could not find a clear resource that just laid out the major differences. We would have to find articales posted about the updates and then read through multiple forum posts to kind of piece together what was really going on with each update. On top... [Read more](/discussions/36212-is-there-an-easy-resource-to-find-and-compare-version-differences) [ Java Web Frameworks Software ](https://www.g2.com/tags/java-web-frameworks-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.&title=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • over 5 years ago More Options - [ # Why are people calling Vaadin a high cost solution? ](/discussions/34196-why-are-people-calling-vaadin-a-high-cost-solution) I have been considering using the free version to port 4 games written entirely in Java to Progressive Web Apps to reach customers on Windows, Macintosh, Android, and iOS. Would the free version be insufficient to accomplish my goals? Is the free version ever not free? Is the process as seamless... [Read more](/discussions/34196-why-are-people-calling-vaadin-a-high-cost-solution) [ Java Web Frameworks Software ](https://www.g2.com/tags/java-web-frameworks-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.&title=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • about 6 years ago More Options - [ # Do you feel that the documentation of Vaadin is lacking? ](/discussions/29655-do-you-feel-that-the-documentation-of-vaadin-is-lacking) At the vaadin website I feel at odds with the documentation of its components API's or its classes API's and also it is very difficult to get insights into vaadins abstraction. How do you overcome this problem? [ Java Web Frameworks Software ](https://www.g2.com/tags/java-web-frameworks-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.&title=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Vaadin+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Vaadin+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%0aAsk+Vaadin+questions+and+get+answers+from+expert+users+in+our+Vaadin+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ## Start a New Software Discussion Have a software question? Get answers from real users and experts [Start A Discussion](/products/vaadin/discussions/new) * * * ![Product Avatar Image](https://images.g2crowd.com/uploads/product/hd_favicon/3eafadce7e5a72d053cf43e5a41bce36/vaadin%282%29.svg "Product Avatar Image") ### Have you used Vaadin before? Answer a few questions to help the Vaadin community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fvaadin%2Fdiscuss%3Fsmall_ask%3Dvaadin) No ## Top Contributors in Vaadin 1 ![Lee F.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Lee F.") LF Loading... ### [Lee F.](https://www.g2.com/users/22a8e7e4-171c-43f3-96e7-7075e8c4dc19 "Lee F.") METRC Data Analyst 1 pt