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Top 23 JavaScript Web Frameworks SaaS Companies in May 2026

As of May 2026, there are 23 SaaS companies in JavaScript Web Frameworks. They have combined revenues of $69M and employ 583 people. They have raised $2.3M and serve 13.5K customers combined.

JavaScript Web Frameworks are specialized libraries that provide developers with pre-written code to enhance and simplify the process of building web applications. These frameworks enable the creation of interactive user interfaces and facilitate the development of applications that can run seamlessly in a web browser. They include essential features such as routing, state management, and component-based architecture, making it easier for developers to structure their code and reuse components. The primary use cases for JavaScript Web Frameworks lie in front-end development, where they are utilized to build responsive and dynamic single-page applications (SPAs) and complex user interfaces. Developers in roles such as front-end developers, full-stack developers, and user experience designers typically gravitate towards these frameworks, leveraging their capabilities to deliver high-performance applications. Additionally, these frameworks can be integrated with back-end services and APIs, allowing for full-stack development workflows. JavaScript Web Frameworks often prioritize speed and performance, with features like code splitting, server-side rendering, and templating engines that optimize load times and user experiences. As a result, companies looking to enhance their digital presence, improve user engagement, and streamline their development processes often adopt these frameworks, regardless of the industry they operate in.

Companies
23
Revenue
$69M
Funding
$2.3M
Employees
583

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Top JavaScript Web Frameworks Companies

Showing 10 of 5 companies ranked by annual revenue.

1
Quest AI

Palo Alto, California, United States

The better way to build your frontend. Convert Figma designs into clean, extendable React code, automatically. Build and iterate on your products faster than ever.

Revenue
$4.1M
Customers
-
Year founded
2014
Funding
-
Team size
37
Growth
-
2
Mastra

United States

The Javascript framework for building AI agents, from the Gatsby devs

Revenue
$3.5M
Customers
-
Year founded
2025
Funding
-
Team size
32
Growth
-
3
Lean Coders

Vienna, Austria

Web & Application Development | Angular Experts | TypeScript & Node.js lovers

Revenue
$3M
Customers
-
Year founded
2019
Funding
$2.3M
Team size
30
Growth
54.15%
4
Croquet

Los Angeles, California, United States

Croquet is on a mission to enable the rapid multiplayer evolution of the web and gaming. It delivers the Multiplayer Platform for Web and Gaming and its transformational new Synchronized Computation Architecture creates bit-identical user experiences that are synchronized, low latency, low bandwidth and innately multiuser by moving compute from the server "beyond the edge" to user devices. It makes development of multiuser experiences for web and gaming simple for 17M+ JavaScript developers on more than 200,000,000 active websites. Croquet was named "Startup To Watch" at the AWE Conference in May 2022 and received the WEBXR Platform of the Year at the Polys Awards in March 2023. The company was formed in 2019. It is funded by SIP Global Partners and a group of experienced technology and financial industry veterans. Visit croquet.io.

Revenue
$2.3M
Customers
-
Year founded
2018
Funding
-
Team size
21
Growth
-
5
ApostropheCMS

Philadelphia, PA, United States

ApostropheCMS was created because our agency needed a better, smoother tool that was not only easy for clients and editors but felt great to build in. We’ve grown our open source platform with the input of a community of expert developers. Our partners and customers push our product to expand and push us to hone our craft every day. Apostrophe includes a massive list of integrations and lets you work with your favorite frameworks like Astro, Vue, React, and HTMX to create better experiences for developers and your clients. We are proud of our open source roots and we look forward to building with your team.

Revenue
$1.2M
Customers
-
Year founded
2008
Funding
-
Team size
11
Growth
-

Inclusion Criteria

- Must provide tools and libraries for building web applications using JavaScript - Must enable developers to create interactive user interfaces and manage application states - Should offer features like routing and component-based architecture for efficient code management - Must support both front-end and back-end integrations for full-stack development - Not just provide basic JavaScript functionalities; must also facilitate advanced workflows such as server-side rendering - Target users should include developers looking for frameworks to streamline their web development processes understanding of responsive design principles.