Total Products under this Category: 87
Last updated: October 21, 2026
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G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.
Highlighted products: Internet Information Services (IIS) for Windows Server, Apache Tomcat, Oracle WebLogic, ServerAvatar, LiteSpeed Web Server, IBM WebSphere, IBM CICS Transaction Server, and Parallels Remote Application Server (RAS).
Underlying data: [Grid® JSON](https://www.g2.com/categories/application-server/grids.json?focus%5B%5D=internet-information-services-iis-for-windows-server&focus%5B%5D=apache-tomcat&focus%5B%5D=oracle-weblogic&focus%5B%5D=serveravatar&focus%5B%5D=litespeed-web-server&focus%5B%5D=ibm-websphere&focus%5B%5D=ibm-cics-transaction-server&focus%5B%5D=parallels-remote-application-server-ras)
Oracle Internet Application Server is a middle-tier application server designed to enable scalability of web and database-centric applications.
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IBM® Customer Information Control System (CICS®) Transaction Server for z/OS is a critical part of your mainframe environment. Ensuring that applications are running well and the ability to quickly find and fix errors are daily requirements. C\Prof provides the added details you need to diagnose problems in your CICS applications faster—with minimal impact on your business-critical applications.
The Uniform Server is a free lightweight WAMP server solution for Windows. Less than 24MB, modular design, includes the latest versions of Apache2, Perl5, PHP (switch between PHP53, PHP54, PHP55 or PHP56), MySQL5 or MariaDB5, phpMyAdmin or Adminer4. No installation required! No registry dust! Just unpack and fire up!
TinyProxy Server on Ubuntu 20.04 LTS would be useful in a case when one needs the functionality of a full-scale proxy server, but either can't afford enough resources to maintain, or risk network security by having one.One of the main features of TinyProxy Server on Ubuntu 20.04 LTS is the concept of buffering connection.It puts the server's high speed response in a buffer,speeds it up and sends it back to the client. This feature improves connection speed in a users network a lot.Tinyproxy requires an incredibly small amount of special privileges to run, so the chance of compromising the system could be made minimal on demand.
Tomcat is an application server designed to execute Java servlets and render web pages that use Java Server page coding. Tomcat acts as a webserver or servlet container.
uCosminexus Application Server provides an execution and operation environment for Web application servers that comply with Java EE 6 (Java Platform, Enterprise Edition 6), which is the server-side Java standard.
Umero is a Communications Workflow Server which routes messages and attached documents between a network of application connectors.
Undertow is a multilingual content solution tailored to help B2B SaaS companies succeed in international markets. Designed for marketing teams, product managers, and founders, Undertow simplifies the complexities of localization, enabling businesses to create, manage, and deliver high-quality, localized content that resonates with global audiences. Our solution combines expert support with innovative technology to streamline workflows, ensuring consistency, scalability, and efficiency in every step of the content localization process. Whether you're entering new markets or optimizing your presence in existing ones, Undertow provides the tools and expertise to help you craft content that aligns with your brand and engages your target audience across languages and cultures. By addressing the challenges of multilingual content management, Undertow empowers companies to grow internationally, strengthen their global reach, and deliver exceptional customer experiences worldwide.
WebOTX is designed to handle the arrival of the cloud computing age, SaaS, and virtualization.
Xavante is a Lua HTTP 1.1 Web server that uses a modular architecture based on URI mapped handlers. Xavante currently offers a file handler, a redirect handler and a WSAPI handler. Those are used for general files, URI remapping and WSAPI applications respectively. Xavante is free software and uses the same license as Lua.
