Best Application Server Software - Page 4

How Many Application Server Software Products Does G2 Track?

Total Products under this Category: 87

Category Stats (Oct 2026)

  • Average Rating: 4.23/5 The average rating of products in this category, based on all submitted ratings

Last updated: October 21, 2026

How Does G2 Rank Application Server Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 1,500+ Authentic Reviews
  • 87+ Products
  • Unbiased Rankings

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.

G2 Grid® for Application Server Software

G2 Grid® for Application Server Software plotting products by satisfaction and market presence

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)

NATS

NATS Server is an open source messaging system for cloud native applications, IoT messaging, and microservices architectures.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate NATS?

  • Security updates: 6.7/10 (Category avg: 8.6/10)
  • Version and Profile Support: 6.7/10 (Category avg: 8.2/10)
  • Server Management: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind NATS?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of NATS?

Sandstorm

Sandstorm is an open source platform for self-hosting web apps

Average Rating: 2.5/5.0

Total Reviews: 1

Who Is the Company Behind Sandstorm?

Who Uses This Product?

  • Company Size: 100% Large

Squid

Squid-Cache is a caching proxy for the Web supporting HTTP, HTTPS, and FTP. It reduces bandwidth and improves response times by caching and reusing.

Average Rating: 4.1/5.0

Total Reviews: 16

How Do G2 Users Rate Squid?

  • Has the product been a good partner in doing business?: 7.8/10 (Category avg: 8.5/10)

Who Is the Company Behind Squid?

  • Seller: Squid-Cache
  • HQ Location: San Francisco, CA
  • Twitter: @squidcache
    809 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 56% Small, 56% Medium

What Are Recent G2 Reviews of Squid?

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Univention Corporate Server

Univention Corporate Server (UCS) is our open integration platform which, with Nubus, offers centralized Identity & Access Management with a web portal for easy access to applications and enables the management of heterogeneous IT domains through comprehensive Active Directory functions. - Portal with Single Sign- On - Integrated Identity & Access Management - Packaged integrations - App Center with enterprise applications - Active Directory integration - Platform for your entire IT - Operation on-premise, in the cloud or hybrid Univention Corporate Server (UCS) is our all-in-one solution for centralized Identity & Access Management (IAM) and at the same time the platform with which you can efficiently control and manage your entire IT infrastructure and all servers. UCS is highly scalable and can be operated in your own data center or in the cloud. The centerpiece of UCS is Nubus - with our central IAM solution you can manage identities, roles and groups. The integrated portal with Single Sign-On and Self-Service functions is your go-to point for all IT services, applications and tools. Thanks to pre-built software and integration packages, apps can be easily put into operation. You can find a wide range of enterprise applications in our Univention App Center. UCS is ideal for managing distributed, heterogeneous and virtualized IT environments, regardless of whether you use Microsoft Windows, Mac OS or Linux systems. With the integrated IT infrastructure management, you can manage server and desktop systems centrally, across locations and platforms via an easy-to-use web interface. Thanks to standardized interfaces, UCS can be easily integrated into your existing IT environment. Comprehensive Active Directory functions enable seamless integration with Microsoft Windows environments or their uncomplicated replacement. Find out more about UCS on our website: https://www.univention.com/products/ucs/ Click here to download the free UCS Core Edition: https://www.univention.com/download-ucs/

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Univention Corporate Server?

  • Seller: Univention
  • Year Founded: 2002
  • HQ Location: Bremen, DE
  • Twitter: @univention
    1,510 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    63 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Univention Corporate Server?

VMware tc Server

Pivotal tc Server provides enterprise users with a lightweight Java application server that extends Apache Tomcat for use in large-scale mission-critical environments.

Average Rating: 2.5/5.0

Total Reviews: 1

Who Is the Company Behind VMware tc Server?

  • Seller: Broadcom
  • Year Founded: 1991
  • HQ Location: San Jose, CA
  • Twitter: @broadcom
    63,909 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    44,602 employees on LinkedIn®
  • Ownership: NASDAQ: CA

Who Uses This Product?

  • Company Size: 100% Large

What Are G2 Users Discussing About VMware tc Server?

agms mail server

agms is a next-generation mail server developed as the successor to the renowned ArGoSoft Mail Server. It offers a compact and versatile design compatible with both Linux and Windows platforms. While retaining the robust capabilities of its predecessor, agms introduces a streamlined, no-frills approach that prioritizes efficiency and performance. This makes it an ideal choice for enterprises seeking a reliable mail solution and tech enthusiasts in need of a lightweight server. Key Features and Functionality: - Protocol Support: Comprehensive support for SMTP, POP3, and IMAP protocols, ensuring seamless email communication. - Security Measures: Built-in features such as DMARC, DKIM, and SPF to enhance email security and compliance with the latest standards. - Secure Connections: Full support for secure connections, safeguarding data during transmission. - Cross-Platform Compatibility: Designed to operate efficiently on both Linux and Windows systems. - Compact Design: Streamlined architecture that emphasizes performance without unnecessary complexity. Primary Value and User Solutions: agms addresses the need for a reliable, secure, and efficient mail server solution that is easy to deploy and manage. Its compact design and cross-platform compatibility make it suitable for various environments, from enterprise settings to individual use. By incorporating essential security features and supporting standard email protocols, agms ensures that users can maintain secure and compliant email communications without the overhead of more complex systems.

Who Is the Company Behind agms mail server?

AIDeX Webserver

The AIDeX web server is a small, handy HTTP server software. This makes it possible to provide files on the Internet and to operate experimental hosting for a small homepage. The program is freeware and requires no installation and no complicated configuration. However, it does not support CGI and PHP and is therefore not suitable for professional use.

Who Is the Company Behind AIDeX Webserver?

Alibaba Simple Application Server

Simple Application Server is a new generation computing service for stand-alone application scenarios. It provides one-click application deployment and supports all-in-one services such as domain name resolution, website publishing, security, O&M, and application management. This optimizes the user experience of setting up a simple application and makes it easier for entry-level users to use cloud computing products.

Who Is the Company Behind Alibaba Simple Application Server?

  • Seller: Alibaba
  • HQ Location: Hangzhou
  • Twitter: @alibaba_cloud
    1,189,812 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    5,321 employees on LinkedIn®
  • Ownership: BABA
  • Total Revenue (USD mm): $509,711

Axoniq Framework

AxonIQ Console is designed to evolve and enhance its functionalities over time and will cover all the products and services AxonIQ has to offer. Based on user feedback, we have designed a tool that provides insight into applications developed with Axon Framework that can run without or with our recommended Axon Server environment. The "one-stop shop" for all initialization, configuration, insights, and monitoring of AxonIQ products.

Who Is the Company Behind Axoniq Framework?

  • Seller: Axoniq
  • Year Founded: 2017
  • HQ Location: Austin , US
  • LinkedIn® Page: www.linkedin.com
    45 employees on LinkedIn®

Bitnami package for LAMP

Bitnami's LAMP Stack is a comprehensive, ready-to-use development environment that integrates Linux, Apache, MariaDB, and PHP. Designed for developers seeking a streamlined solution, it simplifies the process of building and deploying PHP-based web applications by providing a pre-configured platform that is consistent across various operating systems and cloud environments. Key Features and Functionality: - Pre-Configured Environment: Includes essential components such as Apache Web Server, MariaDB database, and PHP, eliminating the need for manual setup. - Additional Tools: Comes with phpMyAdmin for database management, OpenSSL for secure communications, and other modules like ModSecurity, Varnish, and ImageMagick to enhance functionality. - Cross-Platform Consistency: Ensures uniformity across different platforms, whether deployed on local machines, virtual machines, or cloud services. - Security and Updates: Regularly updated to include the latest security patches and software versions, providing a secure development environment. Primary Value and User Solutions: Bitnami's LAMP Stack addresses the challenges developers face in setting up a reliable and consistent development environment. By offering a pre-configured stack, it reduces the time and effort required for installation and configuration, allowing developers to focus on coding and application development. Its cross-platform consistency ensures that applications behave the same way in development, testing, and production environments, minimizing deployment issues. Additionally, the inclusion of security features and regular updates provides peace of mind regarding the safety and stability of the development environment.

Who Is the Company Behind Bitnami package for LAMP?

  • Seller: Broadcom
  • Year Founded: 1991
  • HQ Location: San Jose, CA
  • Twitter: @broadcom
    63,909 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    44,602 employees on LinkedIn®
  • Ownership: NASDAQ: CA

Cipi

Cipi is a Laravel based cloud server control panel that supports Digital Ocean, AWS, Vultr, Google Cloud, Linode, Azure and other VPS. It comes with nginx, Mysql, multi PHP-FPM versions, multi users, Supervisor, Composer, npm, free Let's Encrypt certificates, Git deployment, backups, postfix, phpmyadmin, fail2ban, Redis, API, data migration and with a simple graphical interface useful to manage Laravel, Codeigniter, Symphony, WordPress or other PHP applications. With Cipi you don’t need to be a Sys Admin to deploy and manage websites and PHP applications powered by cloud VPS.

Who Is the Company Behind Cipi?

Cluster Autoscaler Container Solution

The Cluster Autoscaler Container Solution, offered by Bitnami by VMware, is a Kubernetes component that dynamically adjusts the size of a Kubernetes cluster. It ensures that all pods have a suitable node to run on while eliminating unnecessary nodes, thereby optimizing resource utilization and reducing operational costs. Key Features and Functionality: - Automatic Scaling: Monitors the cluster and automatically scales the number of nodes up or down based on the scheduling needs of pods. - Resource Optimization: Removes underutilized nodes to prevent resource wastage and adds nodes when there are pending pods that cannot be scheduled due to insufficient resources. - Integration with AWS: Designed to work seamlessly with Amazon Elastic Kubernetes Service and Amazon Elastic Container Service , facilitating easy deployment and management on AWS infrastructure. - Up-to-Date and Secure: Bitnami ensures that the container solution is regularly updated and packaged following industry best practices, providing a secure and reliable deployment. Primary Value and User Benefits: The Cluster Autoscaler Container Solution addresses the challenge of managing Kubernetes cluster resources efficiently. By automatically adjusting the number of nodes, it ensures that applications have the necessary resources to run effectively without manual intervention. This automation leads to improved application availability, reduced operational overhead, and cost savings by eliminating unnecessary compute resources. Users benefit from a more resilient and responsive infrastructure that can adapt to varying workloads seamlessly.

Who Is the Company Behind Cluster Autoscaler Container Solution?

  • Seller: Broadcom
  • Year Founded: 1991
  • HQ Location: San Jose, CA
  • Twitter: @broadcom
    63,909 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    44,602 employees on LinkedIn®
  • Ownership: NASDAQ: CA

ClusterCS

ClusterCS – Simplified Scaling. Serious Performance. Scaling and managing high-traffic websites doesn’t have to be complicated. ClusterCS is a modern, cloud-based control panel built to streamline server infrastructure for developers and non-technical users alike. With cloud integrations and ready-to-deploy high-availability cluster templates, you can launch robust environments in just minutes. Designed for flexibility, speed, and cost-efficiency, ClusterCS makes horizontal scaling effortless—so your infrastructure grows with your business, not your workload. Why Choose ClusterCS? ✔️ Manage all your domains and servers from a single, intuitive interface ✔️ Easily deploy complex HA infrastructures with prebuilt templates or custom setups ✔️ Autoscale resources up or down automatically based on demand ✔️ Clone websites between servers or clusters with zero hassle ✔️ 1-click installs for popular CMS platforms ✔️ Optimize traffic for better speed, security, and stability ✔️ Active monitoring with detailed reports and self-healing service recovery ✔️ Free expert consultancy for high-availability setups ✔️ Multi-server fault-tolerant architecture ensures constant uptime ✔️ Lower implementation and maintenance costs vs traditional solutions ✔️ Enterprise-grade performance with SME-friendly pricing ✔️ Automation-first to save time and reduce human errors ✔️ Responsive support and expert guidance when you need it Whether you're scaling your first project or managing mission-critical platforms, ClusterCS gives you the power to run faster, scale smarter, and stay in control—without the complexity.

Who Is the Company Behind ClusterCS?

  • Seller: SoftDreams SRL
  • Year Founded: 2004
  • HQ Location: Bucharest, RO
  • Twitter: @SoftDreamsCorp
    59 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    32 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of ClusterCS?

What Are G2 Users Discussing About ClusterCS?

Cowboy

Modular HTTP server written in Erlang.

Who Is the Company Behind Cowboy?

Tian Lin
TL
Researched and written by Tian Lin
Updated October 22, 2024