50 popular Developer Communities to keep an eye on in 2021

analytics-insightThis post was originally published by Adilin Beatrice at Analytics Insight

Listed the top 50 developer communities that are helping programmers in many ways.

Programming and coding is an art! Expert sometimes points that programmers are born with the skill. Even though coders are naturally gifted with the code flow, application development is a challenging field that needs various source of acceleration. The way of coding and application development has evolved over years. Today, they are many popular languages, frameworks, tools, and libraries available for programmers to refer to. Besides, there is also an increase in the birth of developer communities that help programmers make their job easy. These developer communities are open-sourced and free to access. They also provide question corners where users can post their doubts and experts will take the chance to answer them. For the past two decades, this has become a main source of information for many application developers. Analytics Insight has listed the top 50 developer communities that are helping programmers in many ways.



Users: 56 million

GitHub is an open-source community that proves when creative people get together on an open platform, great things happen. Some of the advantages like code getting better, new technological emergence, and a shift in the way software is built are on the frontline. By entering GitHub, you can learn from and support a community of 24 million developers. Tap into the collective knowledge of the world’s developer community and get help from GitHub staff too.

Apple Developers Forum

Users: 28 million

Apple Developers Forum is a place where coders and programmers can find answers, ask questions, and share comments on a variety of development topics with fellow developers and Apple engineers. Anyone can view the forum, but to post, users should sign in with their Apple ID. The profile lists the number of questions you’ve posted, your reputation points, and how many of your answers are marked as Apple recommended or correct.

Stack Overflow

Users: 16 million

Stack Overflow is a question and answer site for professional and enthusiast programmers. It is a privately held website, the flagship site of the Stack Exchange Netowrk, created in 2008 by Jeff Atwood and Joel Spolsky. The developer community helps you find the best answers to your technical questions and help other answer theirs. Stack Overflow has over 100+ million visitors every month. It is a public platform building the definitive collection of coding answers and questions.


Users: 13.8 million

JavaScript is a developer community that helps with JavaScript programming language. It helps find jobs, outsourcing, and much more. Once relegated to the browser as one of the three core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move hast and push software development forward. They can be as opinionated as the frameworks they use. Henceforth, the JavaScript community helps answer each other’s queries.


Users: 10.1 million

Python community is vast, diverse, and aims to grow each other. The developer community’s user base is enthusiastic and dedicated to spreading use of language far and wide. Python community can help support the beginner, the expert, and adds to the ever-increasing open-source knowledge base. The community is also working on improving transparency, providing the community with opportunities to interact with them, and be responsive to raised suggestions.


Users: 10 million

Bitbucket is a closed-core platform that helps build professional teams. It gives teams one place to plan projects, collaborate on code, test, and deploy. Bitbucket has free unlimited private repositories, best-in-class Jira & Trello integration, and build-in continuous delivery. It helps developers build quality software with code review, deploy often with built-in continuous delivery, and secures your workflow.


Users: 10 million

Postman is a multi-talented community that helps users learn how developers, testers, architect, and other stakeholders work together to build and consume APIs. The community relies on the contributions of the open-source community, and values the many contributions from its top users like contributions to open-source projects, the docs, and others that help improve the experience of other users. Postman Supernovas are leaders who publicly represent the postman community as events.


Users: 9.4 million

The Java community has millions of strong members who support the programming and coding process. By using the community, you can follow a JSR or join an expert group as part of the Java Community Process (JCP), submit a technical article for publication, participate in a Java Forum, meet a Java Champion, and Join the Oracle Technology Network (OTN).


Users: 7.3 million

The C/C++ community aims to make C++ programming language accessible and useful to anyone who wishes to learn and apply the language. C++ is not only popular and foundational, but also an efficient and general purpose programming language that anyone can learn. The C++ libraries and community often lacks resources, due to their free nature and the reliance of volunteers to conduct the highly advanced and time-intensive work of maintaining and improving code libraries. The founders recognize the need to secure funding and resources in order to adequately support those seeing to learn through the community.


Users: 6.5 million

The C# community provides an instant messaging platform for peer-to-peer discussions amongst C# developers. Users can ask questions, share what they are working on, and get peer-to-peer feedback on their designs. Over 7.7 million programmers and coders use the community to clear their C# doubts and seek help when necessary.


Users: 6.3 million

The PHP community is an active and vibrant community for programmers that has grown up around an affinity for the PHP programming language. It is large and diverse, composed of innumerable libraries, frameworks, and components. It is common for PHP developers to choose several of these and combine them into a single project.


Users: 6 million

HackerRank is a place where programmers and developers from all over the world come together to solve problems in a wide range of computer science domain such as algorithms, machine learning, or artificial intelligence, as well as to practice different programming paradigms like functional programming. The HackerRank community is the largest learning and competition community for programmers.


Users: 5 million

The Twilio community aims to change the way people communicate by making it easy for developers to build apps that use communication APIs, abstract away the complexity of working with telecommunications networks, and deliver apps with new application platform models. The community has built apps to help combat forest fires, created viral marketing campaigns for music superstars, empower retail giants to handle millions of calls, automate urgent IT alerts, and having fun along the way.


Users: 5 million

Salesforce Community Cloud is an online social platform for companies to create branded sites connecting customers, employees, and partners with each other. Brands and businesses can create multiple communities that serve different groups. The community provides them the records and data they need to accomplish their work effectively.

Celebros’ NLP technology

Users: 5 million

Celebros’ NLP technology was designed specifically to use within ecommerce environments, making it uniquely equipped to deal with complex queries, including those containing qualifiers, propositions and a variety of other oddities, such as misspelling, misnomers, and contradictions.

J-Frog Artifactory

Users: 5 million

J-Frog Artifactory community is an open-source project created to speed up development cycles using binary repositories. It is the world’s most advanced repository manager, creating a single place for teams to manage all their binary artifacts efficiently.


Users: 3.5 million

DigitalOcean community is an exclusive place where developers can find or lend support and discover new ways to contribute to the community. The community doesn’t care about your background, you can always find ways to get involved-online or IRL. DigitalOcean makes it simple to launch the cloud and scale up as you grow, whether you are running one virtual machine or ten thousand.

Visual Studio

Users: 3.3 million

Visual Studio is a fully-featured, extensible, free IDE for creating modern applications for Android, iOS, Windows, as well as web applications and cloud services. It is a brand-new workload-based installer optimizes your installation to make sure you have everything you need and nothing you don’t. The community helps users to stay up to date, code more efficiently with built-in and downloaded features, and collaborate seamlessly without leaving the editor.


Users: 2.9 million

The HackerEarth platform uses artificial intelligence to give users access to more than 2,500 questions used by Fortune 50 companies in several coding challenges and programming interviews. The community provides a real-time coding interview environment to test users coding skills in Java, Python, and C++. They also avail an excellent opportunity for programmers to become familiar with coding interview questions and formats.

SAP HANA Cloud Platform

Users: 2.8 million

SAP HANA Cloud Platform provides a source to SAP Service Providers for building new applications and run them. It can also be used to make changes on existing application. SAP HANA Cloud Platform is both a platform and a service. It enables users to access data from the SAP HANA database in real-time. SAP HANA Cloud Platform is also ideal for both small and large projects.


Users: 2.6 million

Kotlin is an open-source statistical typed programming language that targets the JVM, Android, JavaScript, and Native. Developed by JetBrains in 2010, the community brings more activity and excitement to users. Join Kotlin users groups movement, find inspiration at a Kotlin event or host one yourself, and contribute to the language and ecosystem are some of the features of the Kotlin community.


Users: 2.5 million

The Swift community has the ultimate goal of making the world’s best general purpose programming language. Collectively, the community will develop the language in open, with contributions from anyone who wishes to participate. The Swift language is developed in all technical and administrative topics about the language or community processes that should be directed to the Swift public forums.


Users: 2.2 million

DZone community has roots in Javalobby, an online community for Java developers founded in 1997 by CEO Rick Ross. Javalobby proceeded the era of blogs and forums to create a unique community that made all developers a part of the discussion and changed the face of technology development. In 2005, Javalobby evolved into DZone in order to expand the coverage for beyond the boundaries of the Java community.


Users: 2.1 million

The Go community is an online platform that includes people from many backgrounds. The Go contributors are committed to providing a friendly, safe, and welcoming environment for all, regardless of gender identity and expression, sexual orientation, disabilities, neurodiversity, physical appearance, ethnicity, etc, and bring them into a branch of coding.


Users: 2 million

Docker is an open platform for developing, shipping, and running applications. It enables users to spate their applications from their infrastructure, so they can deliver software quickly. With Docker, users can manage their infrastructure in the same way they manage their applications.


Users: 2 million

HERE Maps is an online community and map service that is used by millions worldwide through mobile apps, social networks, etc. With HERE Map creator, users can edit their own real-life experience of their surroundings directly in HERE Maps.


Users: 2 million

Kaggle is the world’s largest data science community with powerful tools and resources to help users achieve their data science goals. The community offers a no-setup, customizable, Jupyter Notebooks environment. It also leverages free access to GPUs and huge repository of community published data and code.

Tencent Cloud

Users: 2 million

Tencent Cloud TStack is a cloud computing platform launched by Tencent cloud based on its strong technical capabilities and massive operational experience. It provides a comprehensive cloud service solution that integrates IaaS, PaaS, and SaaS.


Users: 2 million

BrowserStack is the most reliable web and mobile app testing platform on the market that offers free testing of open-source software on the BrowserStack Real Device Cloud. The community has supported thousands of open-source projects, sponsored groundbreaking projects like Selenium and jQuery, and is relied upon by top technology companies such as Mozilla and Google for in-house open-source projects.


Users: 1.8 million

Ruby community grows up around a programming language. The community is a vibrant and growing place that is friendly towards people of all skill levels. Ruby user groups are self-organizing and typically feature monthly meetings, a mailing list, a website, and frequent codefests. It has an assortment of lists on different topics and in several languages.


Users: 1.6 million

Mapbox promotes a diverse view to get the best location tools to the hands of change makers around the world. The community started because of the power of location. Working in Afghanistan, Congo, Haiti, and United States, the members of the team saw how data and maps can shine a bringht light on the hardest problems and created the community to fill the gap.

Objective C

Users: 1.6 million

Objective C community is a place where the users promote the usage of Objective C language. The programming language is 36-years old and showing its age. Although some legacy code still depends on it and there are more than a few active open source projects, it is safe to say that it is running on borrowed time. Without Objective C, we wouldn’t have Swift.

WeChat apps

Users: 1.5 million

WeChat is owned by Chinese tech giant Tencent. The application offers messaging, allows users to do payments, and leverages the facility to book tickets and hotels. Besides, it also supports the developers by creating vast groups that could provide answers to programmers’ queries.


Users: 1.4 million

Topcoder is a crowdsourcing company with an open global community of designers, developers, data scientists, and competitive programmers. The community’s members are passionate, amazingly talented people who are incredibly supportive to the initiative. They joined Topcoder to improve their skills, demonstrate their expertise, and earn money, all while helping real-world organizations solve real business problems.


Users: 1.3 million

The Rust Users Forum is a place for Rust users to communicate about anything and everything related to Rust. Users can ask questions on the platform, coordinate on project ideas, etc. There are more than 90 meet-ups and several conferences worldwide in over 35 countries. Rustaceans meet periodically in Rust User Groups. They are great introduction to the community and a great way to learn and socialize with other people with similar interest.


Users: 1.3 million

Cocos2d-x is a community driven effort to help each other in coding, programming, and many more. If users have a problem, interesting solution, a great idea, or just want to meet other developers, they can connect through the source.

Google Cloud

Users: 1 million

Google Cloud is a community where users get to know about Google Cloud products and services with tutorials contributed by Google employees and members of the Google Cloud community. The community allows creating real-time translation overlays, using Keras models for batch predictions, mirroring an Azure DevOps repository, etc.


Users: 1 million

Lua community gets Lua users together and let them meet in person and talk about Lua language, its uses, and its implementation. The community aims to help spread the word about Lua to industry and academia, taking advantage of the location of the workshop when possible. At Lua community, users can contribute in several ways like answer questions about Lua, collaborate in the Lua-users wiki, answer its survey, etc.


Users: 500,000

Cisco community is a hub for connecting with your peers and Cisco specialists to ask for help, share your expertise, build your network, and grow professionally. The platform is an engaging, full-featured, self-service, content-filled, technical support community. The community provides an online site and collaboration tools to quickly find answers to questions, troubleshoot, research independent reviews on products, and discover enhanced connectivity techniques and optimization questions.

Cisco DevNet

Users: 500,000

Cisco DevNet is Cisco’s developer program to help developers and IT professionals who want to write applications and develop integrations with Cisco products, platforms, and APIs. The community creates connections like never before and integrates devices from any provider.


Users: 500,000

Adobe community helps users meet, ask, and follow community experts or become an MVP (Most Valuable Participant) by sharing your expertise with the community. The Acrobat User Community is a global resource for users of Acrobat and PDF, with free e-seminars, tips, tutorials, video, and discussions forums.

Amazon Game Tech

Users: 300,000

Amazon Game Tech provides two services namely Amazon GameLift and Amazon Lumberyard. Amazon GameLift is a managed service for deploying, operating, and scaling dedicated game servers for session-based multiplayer games. On the other hand, Amazon Lumberyard is a free, cross-platform, 3D game engine for you to create the highest-quality games, connect your games to vast compute and storage of the AWS Cloud, and engage fans on Twitch.


Users: 30,000

Dgraph is a native GraphQL graph database that is built to be distributed. This makes it highly scalable, performant, and blazing fast, even for complex queries over terabytes of data. The community helps grow from megabytes to terabytes of data without worrying about database crashes or collapse of functionality.


Users: 25,000

CircleCI enables engineering teams with automation. The community aims to empower technology-driven organizations to do their best work. CircleCI wants to make engineering teams more productive through intelligent automation.

Open Networking Foundation 

Users: 2,000

The Open Networking Foundation (ONF) is a non-profit organization with a mission to help drive transformation of mobile and broadband network operator infrastructure and business models by leveraging network disaggregation, white box economics and creating open-source platforms and solutions empowered by an open collaboration framework.

Women Who Code

Users: 167,000

Women Who Code envision a world where women are proportionally represented as technical leaders, executives, founders, VCs, board members and software engineers. The community empowers women with skills needed for professional achievement, educates companies to better promote, retain and hire talented women, builds a global community where networking and mentorship is valued, and develops role models and supports this generation of engineers. Women Who Code has over 230,000 members who are career-aged tech professionals operating at each level of the industry.

Black Girls CODE

Users: 8,000

Black Girls CODE is a non-profit organization dedicated to teach girls between seven and seventeen about computer programming and digital technology. Kimberley Bryant, an African-American is the Founder of the community. By launching Black Girls CODE, she hoped to provide young and pre-teens girls of colour opportunities to learn in-demand skills in technology and computer programming at a time when they are naturally think about what they want to be when they grow up.

Lesbians Who Tech & Allies

Users: 50,000

Lesbians Who Tech & Allies is a community of LGBTQ women, non-binary, trans individuals in and around the tech industry. The community aims to make minority groups more visible to each other, get more women, POC, queer and trans people in technology, and connect the members to other organizations and companies that are doing incredible work.

Hacker Noon

Users: 8 million

Hacker Noon is built for technologists to read, write, and publish. The community is a small, distributed team of 14 members who are passionate about making the internet a better place by publishing free high-quality tech stories, without paywalls, pop-up ads, or a sense of entitlement.


Users: 600,000

Hashnode is a free developer blogging platform that allows you to publish articles on your own domain and helps you stay connected with a global developer community. It also leverages a huge advantage through Google and other search engines by directly sending the traffic to your domain.

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This post was originally published by Adilin Beatrice at Analytics Insight

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