Best JavaScript Developers - Page 3

How Many JavaScript Developers Products Does G2 Track?

Total Products under this Category: 131

Category Stats (Sep 2026)

  • Average Rating: 4.76/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: GeekyAnts (+1.88%) - Among all products in this category, GeekyAnts recorded the largest rating increase compared to last month

Last updated: September 15, 2026

How Does G2 Rank JavaScript Developers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 700+ Authentic Reviews
  • 131+ 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 JavaScript Developers

G2 Grid® for JavaScript Developers  plotting products by satisfaction and market presence

Highlighted products: Imaginary Cloud, Teravision Technologies, Algoworks, Mercury Development, and SmartSites.

Underlying data: [Grid® JSON](https://www.g2.com/categories/javascript-developers/grids.json?focus%5B%5D=imaginary-cloud&focus%5B%5D=teravision-technologies&focus%5B%5D=algoworks&focus%5B%5D=mercury-development&focus%5B%5D=smartsites)

Rightpoint

Rightpoint is a global experience company and part of Genpact (NYSE: G). Over 700 employees across 9 offices work with clients end-to-end. We help clients define and enable their vision, design and engineer end-to-end experiences and ensure ongoing market relevance. Our core offerings include customer experience, employee, experience and supplier experience.

Average Rating: 4.6/5.0

Total Reviews: 16

Who Is the Company Behind Rightpoint?

  • Seller: Rightpoint
  • Year Founded: 2007
  • HQ Location: Chicago, IL
  • Twitter: @Rightpoint
    2,113 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    334 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 38% Medium, 31% Large

What Are Recent G2 Reviews of Rightpoint?

What Are G2 Users Discussing About Rightpoint?

Saigon Technology

Custom Software Development Company - Why Saigon Technology for your project? Already from the project launch, you will recognize and appreciate Saigon Technology team’s technology skills, business domain expertise and smart project management – from initial requirements definition and business process modeling to user training and solution support and maintenance.

Average Rating: 5.0/5.0

Total Reviews: 21

Who Is the Company Behind Saigon Technology?

  • Seller: Saigon Technology
  • Year Founded: 2012
  • HQ Location: Ho Chi Minh
  • Twitter: @saigontech
    769 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    431 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 48% Small, 33% Medium

What Do G2 Reviewers Say About Saigon Technology?

AI-generated summary from verified user reviews

Pros
  • Users value the commitment of Saigon Technology to understanding and fulfilling their unique needs with quality results.
  • Users value the expertise and commitment of Saigon Technology in understanding and fulfilling client needs effectively.
  • Users value the commitment to quality demonstrated by Saigon Technology in meeting clients' unique needs.
  • Users value the dedication to quality and client needs in Saigon Technology's skilled team and effective delivery.
  • Users appreciate the commitment to understanding client needs by Saigon Technology, ensuring tailored and quality results.
Cons
  • Users note that while communication is usually effective, response times can be slow on follow-ups.
  • Users experience poor customer support due to slow follow-up responses, impacting their overall satisfaction with Saigon Technology.

What Are Recent G2 Reviews of Saigon Technology?

Studio.init()

Our team has worked together at Google and accumulated incredible experience building products from 0 to 100M users, with specializations that span software engineering, UX design, and product research. We’ll be your partner in building or enhancing your product that caters to your user’s needs across iOS, Android, and the Web.

Average Rating: 5.0/5.0

Total Reviews: 5

Who Is the Company Behind Studio.init()?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Studio.init()?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the speed and quality of Studio.init, delivering exceptional designs quickly and efficiently.
  • Users value the speed and quality of Studio.init, delivering high-quality designs quickly with excellent collaboration.
  • Users commend the exceptional design skills of Studio.init(), praising their expertise and collaborative approach in web design.
  • Users commend the exceptional teamwork and expertise of Studio.init(), enhancing product design and meeting critical deadlines.
  • Users value the collaborative partnership of Studio.init(), appreciating their hands-on feedback and genuine support.
Cons
  • Users feel the pricing is expensive, making it difficult for budget-conscious individuals to justify the investment.

What Are Recent G2 Reviews of Studio.init()?

STX Next

We are Europe’s largest Python software house. Our 350+ Python, JS, React Native, and full-stack developers stand ready to supercharge your project with extraordinary code, the Agile way. Based in Poland, we employ over 500 people to provide comprehensive services including Product Design, Manual QA and QA Automation, DevOps, Machine Learning, Data Engineering, and End-to-End Product Development. We have over 18 years of experience, allowing us to provide full-stack web development and cross-platform mobile app solutions to clients across all industries. Our tech stack includes: Python Django, Flask, Twisted, Angular, ReactJS, React Native, NodeJS, and more. Our tried and true process begins long before the first line of code is written. To solidify your product idea and speed up development, we offer Discovery Workshops, UX/UI, web graphic design, and deep analysis of your business needs. We build our client’s products as if they were our own. Our long-term technology partnerships throughout the US, Canada, Western Europe, Scandinavia, South Africa, Australia, and the Middle East are a testament to the effectiveness of our approach. We’ve been recognized by several leading authorities on the market, such as Clutch, Deloitte, and Financial Times. Here are some of the rankings we’ve made: Top Python & Django Developers Top IT Outsourcing Companies Top B2B Companies Deloitte Technology Fast 50 FT 1000: Europe’s Fastest Growing Companies You can follow us on: https://www.linkedin.com/company/stx-next-python-experts/ https://twitter.com/stxnext https://www.facebook.com/stxnext/ Behance: https://www.behance.net/STXNextTeam/ Instagram: https://www.instagram.com/stx_next/ Youtube: https://www.youtube.com/c/STXNextPythonPowerhouse If you want your digital product to grow with the help of experts who care, feel free to contact us.

Average Rating: 4.8/5.0

Total Reviews: 5

Who Is the Company Behind STX Next?

  • Seller: STX Next
  • Year Founded: 2005
  • HQ Location: Poznań, PL
  • Twitter: @STXNext
    811 Twitter followers
  • LinkedIn® Page: linkedin.com
    398 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 80% Small, 20% Medium

What Are Recent G2 Reviews of STX Next?

Vault Innovation

VAULT is a custom software and digital product development company that helps businesses expand tech with confidence. We are more than just another custom software development company, we’re a partner in your success. We offer everything needed to launch a digital product. Since 2012, VAULT has helped numerous visionaries, founders and tech-enabled brands solve design challenges and ship purpose-driven products and software. Our services include research/consulting, user experience design, visual design, branding, development, and post-launch services.

Average Rating: 4.9/5.0

Total Reviews: 8

Who Is the Company Behind Vault Innovation?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Vault Innovation?

AI-generated summary from verified user reviews

Pros
  • Users value the collaborative approach of Vault Innovation, enhancing their partnership and technical expertise for business success.
  • Users admire the exceptional design quality of Vault Innovation, resulting in a very professional end product.
  • Users praise the excellent design quality of Vault Innovation, resulting in a highly professional end product.
  • Users commend the high professionalism in Vault Innovation's end products and exceptional design quality.
  • Users value the collaborative approach of Vault Innovation, enhancing partnerships through technical expertise and diverse capabilities.
Cons
  • Users find the product expensive, especially when compared to more affordable freelancer options on Upwork.

What Are Recent G2 Reviews of Vault Innovation?

3axislabs

3axislabs is a custom software development company, founded by experts who have previously run product companies successfully. We now bring this experience to develop tech products for clients in developed countries. Leveraging deep expertise, our team has delivered over 25 software products across diverse industries like agritech, healthcare, ticketing, and real estate. We handle everything, from design to launch and ongoing maintenance.

Who Is the Company Behind 3axislabs?

  • Seller: 3axislabs
  • Year Founded: 2020
  • Twitter: @3axislabs
    31 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    15 employees on LinkedIn®

Addevice

Welcome to Addevice, where innovation meets expertise, and ideas are transformed into remarkable software solutions. As a distinguished software development agency, Addevice takes pride in its ability to craft projects from inception to fruition, providing comprehensive services that go beyond expectations. Founded in 2014, Addevice has evolved into a trailblazer in the software development landscape. With ten years of hands-on experience, we have continually refined our methodologies, embraced emerging technologies, and cultivated a team of experts dedicated to turning challenges into opportunities. Unleashing Potential from Concept to Creation Addevice specializes in building projects from scratch, offering a holistic approach that begins with in-depth business analysis. Our seasoned team of professionals excels in turning visionary ideas into fully-fledged projects, ensuring that each endeavor is meticulously crafted to meet the unique needs of our clients. We don't just deliver results; we deliver excellence every time. All the time! Cutting-Edge Technologies for Future-Ready Solutions Our commitment to staying at the forefront of technological advancements sets us apart. Addevice harnesses a diverse range of Software Development technologies to bring your projects to life, including: • Augmented & Virtual Reality (AR/VR): Elevate user experiences with immersive and interactive applications. • Artificial Intelligence (AI): Leverage the power of AI to add intelligence, automation, and insights to your software solutions. • Machine Learning (ML): Utilize ML algorithms to enable your applications to learn and adapt over time. • Internet of Things (IoT): Connect and empower devices, enabling seamless communication and data exchange. • VoIP (Voice over Internet Protocol): Integrate voice communication into your applications for enhanced user engagement. Industry-Focused Solutions Addevice is more than a software development agency; we are your strategic partner in addressing industry-specific challenges. Our team excels in crafting tailored solutions for key industries and business areas, including: • Healthcare & Fitness: Develop cutting-edge applications to revolutionize healthcare delivery and fitness tracking. • Telecommunications: Create robust and scalable solutions for the ever-evolving telecom industry. • eCommerce: Boost online businesses with user-friendly and feature-rich eCommerce applications. • Education & eLearning: Transform the educational landscape with innovative eLearning platforms and tools. • Insurance: Streamline insurance processes and enhance customer experiences through customized software solutions. • Fintech: Drive financial innovation with secure and efficient fintech applications. • Media & Entertainment: Create engaging and immersive experiences for media and entertainment audiences. Success Stories: Shaping the Future with Innovation idict - AI Voice Translator One of our standout success stories is idict, an AI Voice Translator that redefines communication boundaries. By analyzing voice nuances, idict's algorithm generates new audio that mimics the speaker's voice, opening up new possibilities for seamless multilingual interactions. Varpet - Two-Sided Marketplace Varpet, our innovative Two-Sided Marketplace, revolutionizes the way users find local labor in real-time. Leveraging Machine Learning and Artificial Intelligence, Varpet matches users with skilled professionals, providing solutions to everyday problems. The platform also empowers self-employed entrepreneurs by offering flexible schedules and the freedom to set their own rates. Future-Ready Partnerships As we celebrate our decade-long journey, Addevice remains committed to shaping the future of software development. We invite you to join us on this exciting journey as we continue to push boundaries, embrace challenges, and redefine what's possible in the ever-evolving world of technology. At Addevice, excellence is not just a goal; it's our standard. Let us be your partner in innovation, turning your ideas into extraordinary realities. Contact us today and embark on a journey towards software solutions that transcend expectations.

Who Is the Company Behind Addevice?

Adequate Infosoft

We are a reputed Web Design and Development, Software Development, and Mobile App Development Company in India that can help you define your brand and increase your products/or services demand through a customer-centric and data-driven approach for two decades. We understand the importance of an attractive website in today's digital age and be sure to incorporate all aspects of digital marketing such as SEO, PPC, content marketing, and more to achieve outstanding results.

Who Is the Company Behind Adequate Infosoft?

Advantiss

We provide full-cycle project development and ready to help you create an eCommerce website, implement a startup idea with cutting edge technologies or develop an ERP software. We help companies at any stage of the product software development cycle: from R&D and building MVP from scratch to scaling, UX analyzes and improvement. We are not just your vendor, but a technological partner. Our team integrates into ongoing work, thinking about the business model and future steps to choose a strategically right technical solution that will work for years

Who Is the Company Behind Advantiss?

  • Seller: AdvantiSS
  • Year Founded: 2016
  • HQ Location: Sokyryany, UA
  • LinkedIn® Page: www.linkedin.com
    24 employees on LinkedIn®

Aimb System LLP

We’re dedicated to assisting our clients in challenging norms, reshaping perceptions, and catalyzing constructive transformation. At Aimb System, ensuring your satisfaction is our top priority. We look forward to collaborating with you and contributing to your achievements. Our founders and executives bring together 10+ years of collective experience in software engineering, spanning small startups to multinational corporations. We specialize in delivering innovative software development and distinctive outsourcing solutions.

Who Is the Company Behind Aimb System LLP?

AKDev Group

At AKDev Group, we craft high-impact IT solutions that help businesses scale, optimize, and innovate. Since 2017, we've delivered 60+ successful projects across the US, EU, Canada, UAE, and beyond, partnering with startups and SMBs to bring ideas to life and transform existing systems. 🔹 From complex to seamless – Whether developing from scratch, optimizing legacy software, or automating workflows, we turn challenges into results, delivering scalable solutions that work. 🔹 90% client retention – We don’t just complete projects; we build long-term partnerships, continuously evolving products to meet shifting market demands, ensuring sustained growth and success. 💡 Industry expertise: Logistics, Maritime, Energy, Travel Tech, FinTech, EdTech, HRTech, Social Networks, and E-Commerce. Our diverse portfolio showcases case studies and real business results, proving our versatility across industries. 📢 How can we help you? Transform your idea into an efficient IT solution – We take your concept and turn it into a high-performance, scalable system. Seamlessly integrate new features into your existing software – We make the transition smooth and painless, ensuring no disruption to your operations. Conduct technical audits and deep refactoring – Full code review, identifying weak points, fixing bugs, and updating your software to the latest technologies. Outstaff an Agile development team – Quickly and efficiently provide skilled professionals to accelerate your project. 💫What sets us apart? In-depth industry knowledge, transparency, and an unwavering focus on quality. We don’t simply write code—we engineer solutions that are scalable, future-ready, and aligned with your business objectives, creating tangible value. We help you grow, improve, and future-proof your business with impactful web and mobile apps. 🚀 Let’s create a tailored solution that fuels your success. Contact us: 📞 +995 551 118 556 WhatsApp, Telegram, Viber 📧 info@akdevgroup.com

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind AKDev Group?

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About AKDev Group?

AI-generated summary from verified user reviews

Pros
  • Users highlight AKDev Group's exceptional adaptability, allowing seamless integration and improvement in workflow and system performance.
  • Users commend AKDev Group for their exceptional delivery quality, highlighting responsiveness, expertise, and proactive insights throughout projects.
  • Users commend AKDev Group for their exceptional technical expertise and responsiveness, enhancing overall project workflow and communication.
  • Users highlight the exceptional technical expertise and responsiveness of AKDev Group, enhancing workflow and project outcomes.
  • Users highlight AKDev Group's exceptional technical expertise and responsiveness, enhancing workflow efficiency and communication.

What Are Recent G2 Reviews of AKDev Group?

Algoworks Solutions

Algoworks is a global outsourced IT Services company and our business is to make the offshore strategy work for ISVs and software-enabled companies. It offers services in key areas of enterprise mobile app development, enterprise content management solutions(CMS), customer relationship management (CRM) and software product engineering (SPE). Algoworks provides state of the art DevOps services to optimize software processes for businesses.

Who Is the Company Behind Algoworks Solutions?

  • Seller: Algoworks
  • Year Founded: 2006
  • HQ Location: Ramsey, NJ
  • Twitter: @algoworks
    4,782 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    663 employees on LinkedIn®

All Front

All Front is an Agile team of UX/UI designers and developers based in Europe, with teams in Malta and Bulgaria. Our team is dedicated to crafting intuitive and human-friendly digital experiences, using modern technologies and proven methodologies. With a focus on building products that users love to use, we have a proven track record of 50+ successful projects delivered across the world.

Who Is the Company Behind All Front?

  • Seller: All Front
  • Year Founded: 2017
  • HQ Location: Birkirkara, MT
  • Twitter: @Allfront1
    28 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Altoros

Altoros, with headquarters in the United States, operates major development centers in Argentina and Poland. This enables the company to offer competitive rates, align with different time zones, and provide high communication and technological skills, making it a top choice for customers. Take your software products to a completely new level and maximize ROI with Altoros. We are a consultancy of 400+ experts who help businesses achieve digital transformation at scale with a focus on cloud-native apps, customer analytics and blockchain. Main areas of expertise Custom Software and Product Development API Development and Integrations Data Management and Analytics Legacy Modernization Maintenance and Support Technology Consulting Why Altoros Result-driven teams: able to deliver projects independently Quick start: get connected to a cohesive team ready to kick-off Agile workforce: scale up and down based on your immediate needs Tangible results every two weeks: sprint-based demos Zero code waste: we use production metrics to ensure the highest code applicability Success-based payment: compensation aligned with the results achieved or exceeded Our team - 400+ professionals work at Altoros - 91.5% are senior and mid-level engineers - 30% are focused on R&D activities Partnership Altoros partners with the world’s leading technology vendors to fast-track expertise growth and arm our clients with unbiased and stack-agnostic advice. - AWS Select Consulting Partner - Google Cloud Service Partner - Kubernetes Certified Service Provider - Microsoft Gold: Application Development - Microsoft Gold: Cloud Platform

Average Rating: 5.0/5.0

Total Reviews: 2

Who Is the Company Behind Altoros?

  • Seller: Altoros
  • Year Founded: 2001
  • HQ Location: Pleasanton, US
  • Twitter: @Altoros
    4,624 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    241 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Small

What Are Recent G2 Reviews of Altoros?

What Are G2 Users Discussing About Altoros?

AppIt Ventures

The AppIt Ventures team are mobile experts with a portfolio of more than 300 software applications, and offices in two countries.

Who Is the Company Behind AppIt Ventures?

  • Seller: AppIt Ventures
  • Year Founded: 2012
  • HQ Location: Denver, US
  • Twitter: @AppIt_Ventures
    9,155 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    30 employees on LinkedIn®
Adam Crivello
AC
Researched and written by Adam Crivello
Updated October 3, 2024