Top 100 JavaScript Developers
August 2022Looking for a top JavaScript development company?
Developers use JavaScript to make web pages responsive and interactive. JavaScript is a text-based programming language used in web development, typically alongside CSS and HTML. Some common use cases for JavaScript are menus, animations, or interactive maps.
That's why we've created this list of the best JavaScript developers for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business. (And, if you want personalized recommendations, tell us about your project.)
List of the Best JavaScript Development Companies
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1
- $25,000+
- 1,000 - 9,999 employees
- Plano, TX
Experion Technologies develops software solutions, mobile apps, cloud services, and IoT platforms. Established in 2006 and based in Addison, TX, their 350+ experts have created digital solutions for over 110 clients in the sectors of finance, retail, supply chain, and health.
Clients
- Duracell
- Speedo
- TopGolf
- Bacardi
Industries
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Experion Technologies developed a skincare company’s custom software. They had an intensive discovery phase before rebuilding a Windows CE tool for a modern platform.
"Experion’s work was on time and within budget — they delivered what they promised."
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2
- $10,000+
- 50 - 249 employees
- Vancouver, Canada
ImageX is a web design and development agency founded in 2001. They are based in Vancouver, British Columbia and have an additional development center in Kiev, Ukraine. ImageX is a mid-sized, well-established firm with just over 40 employees, all specializing in Drupal development. They have been a Drupal-exclusive agency since 2006 and are considered experts in development for the open-source CMS. ImageX's experience has earned them the business of several globally relevant brands seeking complex Drupal solutions.
Clients
- Apple
- Stanford University
- YMCA
- Adidas
Industries
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"They explained what can be done based on the request considering the budget and the timelines very professionally."
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3
- $100,000+
- 250 - 999 employees
- Zagreb, Croatia
Q agency is a software development firm founded in 2013. Based in Zagreb, Croatia, the company has additional offices in Oslo, Zürich, Belfast, U.K., Toronto, and Los Angeles. With a team of 120+ employees, they specialize in web development, UX/UI, custom software development, and mobile app development.
Clients
- The Times
- CocaCola
- BBC
- Manpower
Industries
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Q agency developed the UX/UI to complement a startup’s medical device hardware. The client provided Arduino-based demo boards and branding elements to reference as they developed the UX/UI in Android Studio.
“Overall, as the key user, I was very satisfied with Q agency’s work.”
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4
- $25,000+
- 50 - 249 employees
- Kyiv, Ukraine
ARTKAI is a full-cycle digital product development and consulting company with an emphasis on UX. Founded in 2014, they have about 100 employees and work with SME’s from the US and EU markets. Their team takes care of Web and Mobile Development, UX/UI Design, and Digital Transformation of Businesses from initial research to complete product.
Clients
- Huobi Global (Crypto exchange platfrom)
- Nezha (Blockchain prediction market protocol)
- CEX.io (Crypto exchange app)
- Advanced Markets (Cryto Investments Consulting)
Industries
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Artkai has designed the UI/UX of a website for a finance platform, and they’re now building its frontend. The team used Figma and Miro boards for design and now uses React and a WordPress CMS for development.
“They’ve been very responsive and proficient in their communication with us.”
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5
- $10,000+
- 50 - 249 employees
- Gliwice, Poland
Based in Gliwice, Poland, The Software House is a development agency that was founded in 2012. They specialize in custom software development (PHP, Node, Javascript, Mobile) for mostly small and medium-sized businesses. So far, their team has completed over 100 web, mobile app, and custom software development projects.
Clients
- eSky.com
- GoConnectIT
- Reservix
- Pet Media Group
Industries
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The Software House developed a mobile app for a travel information platform. The new app is expected to replace two of the client's existing apps.
"Having defined a clear path, we had some fun working together, and I think that kept us motivated."
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6
- Undisclosed
- 50 - 249 employees
- Kharkiv, Ukraine
Devico is a web and mobile development agency in Kyiv, Ukraine. Founded in 2011, they have 37 employees that serve clients in a wide range of industries. Services include custom software development, mobile app development, and web development.
Clients
- Arklign
- SoleGATE
- Quick Mount PV
- MemoMeister
Industries
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A cybersecurity company hired Devico to augment their development team. Devico was responsible for integrating test cases, automating those tests, deploying the automated tests via DevOps pipelines, etc.
"I was completely satisfied. They were very flexible and adaptive to our changing needs."
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7
- $50,000+
- 50 - 249 employees
- L'viv, Ukraine
inVerita is a global staff augmentation company headquartered in London with delivery centers in Ukraine and offices in Chicago and New York. Founded in 2015, they now have over 100 employees serving Fortune 1000 customers and startups all over the globe. inVerita also provides QA, mobile, web development, and DevOps services.
Clients
- Perforce, Methodics, Mediashout, Kroger Group, HILTI, numerous YCombinator-backed startups
Industries
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inVerita is developing a multi-module healthcare software to track fertility treatments between providers, nurses, patients, and pharmacies. There will be a connected mobile app to aid in communication.
"What we’re doing has never been done before; they understand what we’re picturing in our head."
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8
- $50,000+
- 50 - 249 employees
- Wrocław, Poland
Monterail is a software development company founded in 2010. The company is located in Wroclaw, Poland where its team of 110+ experts provides web development, custom software development, and IoT development services to mostly small and mid-market businesses.
Clients
- Pizza Hut
- Morizon
- Merck
- Solarflare
Industries
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Monterail is tasked with various development services for an international management consultancy. The tasks include running a design workshop, designing key online platforms, and holding activity surveys.
"Working with Monterail feels like a real partnership."
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9
- $5,000+
- 50 - 249 employees
- Novi Sad, Serbia
PopArt Studio is a professional digital agency based in Novi Sad, Serbia, and founded in 2010. They have a team of 27 employees who specialize in web design, web development, and UX/UI design. They mainly work with small businesses in the IT, eCommerce, and marketing industries.
Clients
- PepsiCo
- Schneider Electric SE
- Lear Corporation
- Nike Inc
Industries
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PopArt Studio is the web development partner of a branding agency. They’ve collaboratively helped the client develop two WordPress websites based on the client’s designs, and they’ve also added some animations.
“PopArt Studio has excellent developers who have taken our designs to the next level.”
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10
- $50,000+
- 50 - 249 employees
- Chelsea, Australia
XWP is a web agency founded in Chelsea, Australia in 2005 with over 50 employees. They offer web development, web design, and UX/UI design solutions to mid-market and enterprise-level clients in the fields of IT and media.
Clients
- News Corp
- Automattic
- Rolling Stone
Industries
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XWP is helping a multinational technology company come up with a custom WordPress plug-in from scratch. The team handles both the development and design process using various technologies, such as React.
"We’re impressed with their ability to ask the right questions and create a working plan."
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11
- $10,000+
- 50 - 249 employees
- Odesa, Ukraine
DIGIS is a software development company based in Larnaka, Cyprus. They were founded in 2009 and have a team of 77 employees. They specialize in custom software, web, and mobile app development for midmarket and small business clients in the business services, financial services, and media industries.
Clients
- Huma
- BlaBlaCar
- PWC
- EDP
Industries
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Digis is developing an IT services company’s mobile app.
"Their workflow and communication are impressive."
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12
- $25,000+
- 1,000 - 9,999 employees
- New York, NY
Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, iTechArt’s talent pool includes 3500+ engineers with experience in all of the latest technologies.
Clients
- ClassPass
- ZEFR
- Gain Capital (forex.com)
- Merkle
Industries
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iTechArt Group augmented a fintech startup’s team. They provided backend developers, business analysts, UI designers, and QA testers to develop the client’s solution.
"They made the process of scaling up the team painless and quick."
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13
- $25,000+
- 50 - 249 employees
- Studio City, CA
Softermii is a software development firm with offices in Los Angeles and Kiev, Ukraine. Founded in 2014, Softermii's team of about 30 employees specializes in web and mobile app development. The team also offers UI/UX design services. Softermii primarily works with small and mid-market clients in the retail, real estate, and business services industries.
Clients
- Events10x
- Dollar Shave Club
- French Real Estate Association
- Rently
Industries
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Softermii developed a wealth management app for a fintech startup. The team developed finance-related app features such as expense monitoring, asset and portfolio management, and loan opportunity tracking.
"The team was truly dedicated and committed to the project."
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14
- $10,000+
- 50 - 249 employees
- Sarasota, FL
AnyforSoft is a web and mobile app development company based in Kharkiv, Ukraine with an office in Lutsk, Ukraine. Founded in 2011, the team of 49 specializes in web development, mobile app development, and custom software. They work with small and midmarket-level businesses, focusing on business services, education, and government.
Clients
- ProjektMagazin
- WehaveAnyspace
- Stage Entertainment
- Bellame
Industries
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AnyforSoft provided front- and backend Drupal development for a technology company. They first facilitated a design phase before developing the solution.
"The team was accessible and responsive."
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15
- $10,000+
- 50 - 249 employees
- Rutland, MA
Scopic is a software development and creative digital marketing company from Boston. Founded in 2006, their team consists of over 280 developers, designers, and marketers from around the world.Their services include web, mobile, and desktop development, as well as digital marketing services such as SEO, content marketing, and social media marketing.
Clients
- Mediphany
- OrthoSelect
- Endovantage
- Arizona Medicare Pros
Industries
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A digital marketing company hired Scopic to provide website development. Their efforts include enhancing the client's plug-ins to add more features and allow visitors to have a complete experience.
"I don't think there’s anything they can improve on — if I need something complicated, they’re my go-to team."
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16
- $50,000+
- 50 - 249 employees
- Fremont, CA
CognitiveClouds is a mobile app development company that was founded in 2012. CognitiveClouds has locations in Fremont, Calif. and Bangalore, India, where its team of 73 provides mobile app development, web development, and UX/UI design services to small and enterprise businesses alike.
Clients
- Walmart
- Verizon Media
- UBS
- Volkswagen
Industries
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A mobile payment platform routinely hired people for multiple projects. They decided to partner with Cognitive Cloud to help in this regard because of their experience in the industry.
"The quality of candidate and turnaround time to provide quality candidates was good."
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17
- $25,000+
- 250 - 999 employees
- Warszawa, Poland
ITMAGINATION is a technology services company in Warsaw, Poland with more than 400 employees. Established in 2008, they do customer software development, web development, and BI and big data consulting. ITMAGINATION primarily serves midmarket–enterprise clients in the financial services, business services, and utilities sectors.
Clients
- Kabbage
- Greenlight
- BNP Paribas
- L'Oréal
Industries
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ITMAGINATION supports an independent multi-issue platform's internal development team. They work on maintaining and improving the company's current application to prevent any breakdown.
"The team has integrated well with our developers and became productive quickly."
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18
- $5,000+
- 50 - 249 employees
- London, United Kingdom
Founded in 2007, Softblues is a software development company headquartered in Lviv, Ukraine. Their team of approximately 22 employees serves small to mid-sized businesses, particularly in the e-commerce and education sectors. They specialize in custom software as well as web and e-commerce development.
Clients
- FieldBI
- AutoBI
- AgroTop
Industries
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Softblues provides frontend and UX/UI development for a consumer and fashion data viewing platform. They've worked with a number of technologies including Vue, TypeScript, and Python. They also do page design.
"Throughout hardship, they've been honest — willing to keep high standards to successfully complete project on time."
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19
- $25,000+
- 50 - 249 employees
- L'viv, Ukraine
Binary Studio is a software development firm headquartered in Lviv, Ukraine with an office in San Francisco. Founded in 2005, the team of 72 specializes in web development, custom software development, and IT managed services. They work primarily with midmarket-level and small businesses, focusing on gambling, telecommunications, and business services.
Clients
- Binary Studio mainly focuses on establishing strategic partnerships with SMBs. The projects we develop either have global impact on communities
- or are used by hundred thousands users
- or even by companies giants from the Fortune 500. Here we present a short list of our customers and some of the projects we’ve been working on recently.
Industries
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Binary Studio helped expedite the development of a student recruitment platform. Using AWS, C#, and Angular, they improved the site's overall usability.
"The code quality was very high, edge-cases were carefully considered, and code was tested and reasoned about."
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20
- $25,000+
- 50 - 249 employees
- Kyiv, Ukraine
WeSoftYou is a web and mobile development company of 50 employees. Their headquarters is in Kiev, Ukraine, with a secondary location in Santa Monica, Calif. Founded in 2016, they offer web development, mobile app development, and custom software development. They primarily serve small and midmarket businesses in the healthcare, education, IT, and real estate industries.
Clients
- Audi
- eToro
- Living Security
- Combyne
Industries
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WeSoftYou was hired by a tax compliance platform to develop a custom software MVP. The solution streamlines the client's internal processes by reducing management time and increasing productivity.
"We are very satisfied with the work that WeSoftYou delivers, and I'd be glad to recommend them to anyone."
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21
- $10,000+
- 250 - 999 employees
- Kolkata, India
Capital Numbers is a digital production outsourcing company headquartered in Kolkata, India, with additional locations in Beerwah, Australia, Dover, Del., and the U.K. The company was founded in 2012, and has a team of nearly 300 people who provide web development, custom software development, mobile app development, and e-commerce development. They provide services mostly to mid-market businesses, but also to enterprise and small businesses. The businesses they serve are in different industries including the advertising & marketing, business services, and financial services industries.
Clients
- Consumer Reports
- Fundation
- Thomson Reuters
- HelloBar
Industries
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Capital Numbers augmented a development team to create two mobile apps and a cloud-based backend for a software company.
"Their developers contributed greatly to the successful completion of the project through an excellent work effort."
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22
- $25,000+
- 50 - 249 employees
- L'viv, Ukraine
Founded in 2015, Incora is a software development firm that offers web development and custom software development to their mid-market, small business, and enterprise clients in the business services, education, and healthcare industries. Their 50 employees are based out of Lviv.
Clients
- Ralph Wutscher
- Sven Crone
- Thomas Hambridge
- Grover Righter
Industries
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Incora provides custom software development services for an IT consulting company. This involves developing software as a Medical Device (SaMD) system and assisting in other software development projects.
"Incora has provided very good developers for our projects."
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23
- $10,000+
- 50 - 249 employees
- Tallinn, Estonia
DashBouquet Development is a mobile and web app company located in Minsk, Belarus. Founded in 2014, they have about 25 employees that specialize in web, software, and AI development for mostly small and midmarket businesses across a variety of sectors.
Clients
- NSoft
- Slashdata
- Trackener
- HVMN
Industries
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Dashbouquet Development built a custom dashboard for a design agency’s end client. They also worked on the frontend of a complicated React-based web app for another end customer using CSS and JavaScript.
“They were flexible and able to scale up when we need them even on short notice.”
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24
- $5,000+
- 50 - 249 employees
- Odesa, Ukraine
Halo Lab is a full-stack design and development agency located in Odessa, Ukraine. The 12-person team offers UX/UI design, web design, and logo services to small business and midmarket clients in the consumer products & services, advertising & marketing, and business services industries.
Clients
- Auth0
- Mobalytics
- Mighty Buildings
- Wave Video
Industries
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A digital marketing agency hired Halo Lab to design their client's comparison platform. They created a mood board, built the web pages' structure based on the client's feedback, and finalized the prototype.
"They questioned things, discussed them with their team, and presented their thoughts on what was best for the project."
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25
- $10,000+
- 50 - 249 employees
- Montevideo, Uruguay
Xmartlabs is a software product development firm based in Montevideo, Uruguay with a US office in San Francisco. Established in 2012, the company employs about 30 employees that focus on developing operations management and business applications. Their services include mobile development for Android and iOS, web app development, and UI/UX design.
Clients
- CipherHealth
- Albumii
- Chefsfeed
- Nobly
Industries
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A software product-based company hired Xmartlabs to provide staff augmentation services. They offer an extra workforce to the client's projects, including UI/UX designers, project managers, and developers, among others.
"They’re natural problem solvers and have great leaders that are both tech- and business-oriented."
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26
- $1,000+
- 50 - 249 employees
- Thorold, Canada
Computan is a creative agency based in Thorold, Canada. Founded in 1987, the team of 34 specializes in digital strategy, e-commerce development, mobile app development, PPC and web development.
Clients
- Palmer Ad Agency
- openkey
- Remarkable Sales and Marketing
- Hero Certified Burgers
Industries
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Computan designed and developed a middleware system for a barbershop business. They pulled data from Shopify and posted it in the middleware, mapping all the information into Voyado.
"They did everything on time and were extremely communicative."
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27
- $25,000+
- 50 - 249 employees
- Warszawa, Poland
S-PRO is a mobile app and blockchain development company based in Kiev, Ukraine. Founded in 2014, S-PRO's team of around 100 employees specializes in mobile app development, blockchain, and UI/UX design. S-PRO primarily works with small and midmarket clients.
Clients
- Custom software for a Wall Street brokerage company (a real-time risk management platform that collects market information instantly and synchronizes it with information about the company’s positions)
- Chemistry database software for global scientific (our client Zymergen raised $600 million in investments; enables faster and cleaner searchability of millions of data points)
- Data analytics platform with actionable insights into the UK alternative energy industry (Modo Energy has raised over £1 million in investment; huge scope of analytical data helps users explore markets, get detailed asset data, and track performance)
- Healthtech ecosystem for hospital staff (a unified system for communicating and distributing files among hospital staff; we have been working together since 2016)
Industries
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S-PRO has helped build out the UI/UX design of a renewable energy marketplace. They've created designs using Figma.
"We're impressed with their flexibility and iterative approach."
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28
- $10,000+
- 50 - 249 employees
- Tallinn, Estonia
Cleveroad is a software development company founded in 2014. They have offices in Ukraine, the U.S., Norway and a team of over 100 specialists. They are focused on native mobile development, web development, IT strategy, web design, emerging technologies, and cross-platform solutions.
Clients
- Virgin Atlantic
- HSBC
- TDC Denmark
- DPD Group
Industries
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Cleveroad built a Flutter-based mobile app for a technical solutions firm. They used Firebase on the backend of the product, which was aimed at providing healthy environments to people involved in competitions.
"They stayed directly on task and completed the project slightly ahead of schedule."
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29
- $10,000+
- 50 - 249 employees
- Kyiv, Ukraine
Founded in 2015, Springs is a software development company headquartered in Kyiv, Ukraine and in Naberezhnye Chelny, Russia. Their team provides custom software development, web development, and web design to small and mid market companies. The clients they primarily partner with are in the real estate, retail, transportation, e-commerce industries.
Industries
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Springs helped a software company develop a mobile application within a tight deadline. The team took over the project and followed the provided designs and assets, finishing the application in React Native.
"Springs delivered a quality project on time."
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30
- $100,000+
- 50 - 249 employees
- Austin, TX
Moove-it is a consulting and engineering firm headquartered in Austin, Texas, with a second office in Montevideo, Uruguay. Founded in 2006, Moove-it specializes in custom software development, web development, and mobile app development. Moove-it's team of 70 employees primarily work with small and midmarket businesses.
Clients
- Unilever
- Verifone
- BAMTECH Media
- Sierra Wireless
Industries
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Moove It is developing a web-based marketplace that allows law students to buy and sell class notes. After discussing the client’s ideas and wireframes, they’ve handled all aspects of the development.
"Moove It’s no-nonsense approach is impressive."
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