stars 1 stars 2 stars 3

Cluster21 uses 34 technologies like Amazon SES, Amazon WorkMail, and Apache. View Cluster21's complete Tech Stack.

Cluster21 Marketing Technology

Amazon SES is an outbound-only email-sending service built on the reliable and scalable infrastructure.
Debounce is a email validation software for email marketers
Google Tag Manager helps marketers control the end-to-end process of adding website tags.
Twitter is a microblogging and social networking service on which users post and interact with messages known as "tweets".

Cluster21 Platform And Storage Technology

Amazon WorkMail is a secure, managed business email and calendar service.
The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.
Linux is a family of open source Unix-like operating systems based on the Linux kernel.

Cluster21 Programming Languages And Frameworks Technology

The Apache Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.
ASP.net is an open source framework for building web applications and services with .NET and C#.
Bootstrap is a free and open-source front-end framework for designing websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions.
Font Awesome makes it easy to add vector icons and social logos to their website.
Git
Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
JavaScript is the programming language of HTML and the Web.
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It is free, open-source software using the permissive MIT License. Web analysis indicates that it is the most widely deployed JavaScript library by a large margin.

Cluster21 Devops And Development Technology

Cloudflare Content Delivery Network (CDN) is a geographically distributed group of servers that ensure fast delivery of Internet content, including HTML pages, JavaScript files, stylesheets, and images.
Docker Cloud allows IT Ops team to deploy & manage Dockerized applications, from single container apps to distributed microservices stacks to any infrastructure.
Drupal 7 is a free and open-source web content management framework written in PHP and distributed under the GNU General Public License.
GitLab is a web-based Git-repository manager with wiki, issue-tracking and CI/CD pipeline features, using an open-source license, developed by GitLab Inc.
YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.

Cluster21 Collaboration Technology

Drupal is an open source content management platform powering millions of websites and applications. Its built, used, and supported by an active and diverse community of people around the world.

Cluster21 Business Intelligence And Analytics Technology

Google Analytics allows users to measure sales & conversions, plus gain fresh insights into how visitors use sites, & how they arrived on site.

Cluster21 Customer Management Technology

My LiveChat is a free, fast, high performance and most user-friendly live chat solution.
mylivechat is a user-friendly live chat solution.

Cluster21 IT Security Technology

OneAll is a social login, single sign-on and social network sharing software to integrate social media experiences and data to they site. OneAll works with over 30 social networking sites to offer one click login and/or registration, eliminating forgotten usernames and passwords and gathering demographic information from social sites.

Cluster21 Testing And QA Technology

Selenium is a portable software-testing framework for web applications. Selenium provides a playback tool for authoring tests without the need to learn a test scripting language.

Cluster21 Communications Technology

Whatsapp Business powers businesses communication with customers all over the world, so they can connect with them on WhatsApp in a simple, secure, and reliable way.
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
g2crowd
G2Crowd Trusted
chromestore
300K+ Plugin Users