zkoss.orgLeading Enterprise Java Web Framework | ZK

-- Do you have a question about licensing or support? We can help you! -- ZK - Open Source Java Web Framework Sign up -- Login Navigation Menu Login Products CORE FRAMEWORK ZK Framework FEATURED COMPONENTS ZK Charts ZK Theme Pack ZK Pivottable All Products Keikai Spreadsheet TOOLS ZATS Test ZK Studio ZK IntelliJ Plugin Get Started EXPLORE ZK ZK Demo Build your 1st ZK App RESOURCES ZK Forum ZK Sandbox ZK Downloads Documentation LEARN ZK ZK Documentation RESOURCES Build your 1st ZK App ZK Essentials ZK References ZK Javadocs All Docs Small Talks Blog Support GET HELP Support Training Forum RESOURCES Premium downloads ZK@Github About MORE ABOUT ZK About Pricing Why ZK EE Contact We use cookies to ensure that we give you the best experience on our website. Got it! Enterprise. Trusted. Established. ZK is the best open source Java framework for building enterprise web and mobile apps. GET STARTED DEMO Rapid Development ZK users report an average of 4-16 times of productivity boost. How is it possible? With ZK's server-centric architecture and ready-to-use 200+ components and themes, you can focus on developing your business logic at the server-side and leave everything else such as server-client communication, browser compatibility, networking, security, and even styling to ZK! LEARN MORE Simply Java ZK is renowned for "Ajax without JavaScript", enabling developers to build rich Web applications without any knowledge of Ajax and JavaScript. In addition, with programs executed at the server, developers can leverage all the Java technologies, such as Java EE and Spring, while back-end data and services are readily available. LEARN MORE Enterprise-level Security With ZK all business logic is stored at the server meaning increased security for Enterprise applications. No business logic is ever exposed to the client, protecting you from XSS, CSRF, DOS and OWASP Top 10 Security Concerns. LEARN MORE Innovative Technology Since our first release in 2005, ZK has been the leader in the industry: we are the 1st Java framework supporting MVVM pattern, the first PC+Mobile responsive solution that supports write once run everywhere, the first client+server fusion architecture, and the first web spreadsheet component…. Innovation is the driving force that differs us from everyone else and motivates us to be better and better each day. LEARN MORE Open Source We believe open source is the best way to build an open, secure, and trustworthy software that millions can depend on. ZK CE is freely available under the LGPL license, for both open source and commercial projects. Meanwhile ZK EE with advanced features and professional support are available for mission critical projects. LEARN MORE News [April 22] ZK Training: Performance Tips - Sign Up Free Now! Apr 15, 2020 ZK 9.0.1 FL - Ready for Testing! Apr 07, 2020 ZK Training Resource Open for Access Mar 25, 2020 Releases ZK 9.0.0 Dec 10, 2019 ZK Spreadsheet 3.9.6 Nov 26, 2019 ZK Pivottable 2.5.2 Mar 11, 2020 ZK Charts 7.2.1.0 Jan 14, 2020 Articles [Case Study] ZK x QSystem by Apertum Apr 17, 2020 ZK Request Cycle and Client Listeners Mar 18, 2020 Case Study: Process Diamond Jan 16, 2020 Products ZK Framework Keikai Spreadsheet ZK Charts ZK Pivottable ZK Theme Pack ZK Studio ZK Calendar ZK Spring ZK JSP ZTL -- ZATS Test Demos ZK Framework Keikai Spreadsheet ZK Charts ZK Pivottable ZK Calendar ZK Web Mail -- ZK Sandbox Real World Apps Downloads ZK Framework Keikai Spreadsheet ZK Charts ZK Pivottable ZK Studio ZK Calendar ZK Spring ZK JSP ZATS Test Why ZK Top Reasons Features Why ZK EE Why ZK 8 Who's Using Case Studies Testimonials Community Forum Blog Request Features Report Bugs Documentation ZK Framework Keikai Spreadsheet ZK Charts ZK Pivottable ZK Studio ZK Calendar ZK Spring ZK JSP ZTL -- ZATS Test Support Support Training License Pricing Partners About Us Contact Us ZK - Open Source Java Web Framework © 2020 Potix Corporation. All rights reserved. Privacy Policy facebook fan page ZK LinkedIn Group twitter @zkoss Powered by Quire...