Update in January 2024, the popularity and size of technical forums can change, and new forums may emerge. Here are ten well-known technical forums that have traditionally been popular:

1.What is the top 10 forum with most users online?
2.What is the largest electronic discussion forum?
3.Does Nexopia still exist?

Stack Overflow: A widely used community for programming and software development where developers can ask and answer questions on a variety of technical topics.

1. Question and Answer Platform:
- Stack Overflow operates as a question and answer (Q&A) platform where users can post technical questions and receive answers from the community.
- Questions cover a wide range of programming languages, frameworks, tools, and development practices.
2. Community-Driven:
- The platform relies on a community-driven model, where users contribute by asking questions, providing answers, and participating in discussions.
- Contributions are evaluated by the community through voting, and the best answers are often prominently displayed.
3. Reputation System:
- Stack Overflow has a reputation system that rewards users for their contributions. Users earn reputation points based on the quality and usefulness of their questions and answers.
- Higher reputation levels unlock additional privileges, such as the ability to vote on posts, edit questions and answers, and more.
4. Tagging System:
- Questions are organized using a tagging system that helps categorize them based on topics, programming languages, and technologies. This makes it easier for users to find relevant content.
5. Acceptance of Answers:
- Question askers can mark one answer as accepted, indicating that it solved their problem. This feature helps others quickly identify the most helpful solution.
6. Documentation and Code Snippets:
- Stack Overflow serves as a repository of knowledge with a vast collection of code snippets, explanations, and examples.
- Users can share and discuss best practices, troubleshoot issues, and learn from each other's experiences.
7. Collaborative Editing:
- Questions and answers can be collaboratively edited by the community to improve clarity, correctness, and relevance.
8. Jobs and Developer Stories:
- Stack Overflow provides a platform for job postings, and developers can showcase their skills and experiences through Developer Stories, helping them connect with potential employers.
9. Active Moderation:
- The platform employs a system of moderators and active community members who help maintain the quality of content by enforcing guidelines and addressing issues such as duplicate questions.
10. Global Reach:
- Stack Overflow has a global user base, making it a diverse and inclusive platform where developers from around the world can connect and collaborate.
GitHub Discussions: GitHub's platform includes discussions where developers can collaborate, ask questions, and share knowledge related to open-source projects.

GitHub Discussions is a collaborative platform integrated into GitHub, a web-based platform widely used for version control and collaboration in software development. Introduced as a part of GitHub's commitment to fostering community engagement, GitHub Discussions provides a space for developers and project contributors to communicate, ask questions, and share insights related to open-source projects.

Here's an introduction to GitHub Discussions:

1. Extension of GitHub Repositories:
- GitHub Discussions is seamlessly integrated into GitHub repositories, making it a natural extension of the collaborative environment developers use for version control, issue tracking, and project management.
2. Community Interaction:
- It serves as a central hub for community interaction around a specific project or repository. Developers can discuss various topics, share ideas, and collaborate beyond code contributions.
3. Open and Transparent Communication:
- GitHub Discussions promotes open and transparent communication among project contributors. It allows discussions to happen publicly, making it easier for the broader community to benefit from shared knowledge.
4. Categorization and Tagging:
- Discussions can be categorized into specific topics, and users can apply tags to organize and label different threads. This helps in structuring the conversation and making it easier to find relevant information.
5. Q&A Format:
- While GitHub Discussions is primarily a place for open-ended conversations, it also supports a Q&A format, allowing users to ask questions and receive answers from the community.
6. Integration with GitHub Issues:
- Discussions are closely integrated with GitHub Issues, enabling seamless transition between discussing ideas and creating actionable tasks. Issues can be linked to discussions, providing a holistic view of project-related conversations.
7. Markdown Support:
- Users can leverage GitHub-flavored Markdown to format their messages, share code snippets, and provide rich content within the discussion threads.
8. Notifications and Subscription:
- Users can subscribe to discussions or specific threads of interest, receiving notifications for updates and new replies. This ensures that contributors stay informed about ongoing conversations.
9. Developer-Focused Features:
- GitHub Discussions is designed with developers in mind, offering features such as syntax highlighting for code snippets, easy linking to specific commits or pull requests, and embedding of images and links.
10. Inclusive Collaboration:
- GitHub Discussions fosters an inclusive environment where developers of all experience levels can participate. It encourages collaboration, knowledge-sharing, and the building of a supportive community around a particular project.
IEEE Xplore Digital Library: The IEEE (Institute of Electrical and Electronics Engineers) Xplore Digital Library is a comprehensive collection of technical literature in electrical engineering, computer science, and electronics.

The IEEE Xplore Digital Library is a comprehensive and renowned platform that provides access to a vast collection of scientific and technical literature in the fields of electrical engineering, computer science, electronics, and related disciplines. Operated by the Institute of Electrical and Electronics Engineers (IEEE), Xplore is a valuable resource for researchers, academics, engineers, and professionals seeking authoritative information in the realm of technology.

Here's an introduction to the IEEE Xplore Digital Library:

1. Extensive Content Repository:
- IEEE Xplore hosts a vast repository of scholarly articles, conference proceedings, standards, and technical content covering a wide spectrum of topics within electrical engineering, computer science, and electronics.
2. Peer-Reviewed Journals and Magazines:
- The platform includes a plethora of peer-reviewed journals and magazines published by the IEEE, showcasing the latest research and advancements in various technical domains.
3. Conference Proceedings:
- IEEE Xplore is a rich source of conference proceedings from IEEE-sponsored and other major technical conferences worldwide. It provides access to the latest research presented at these conferences.
4. Standards and Publications:
- The platform includes IEEE standards, enabling users to access and download standards documents that define best practices and specifications in different areas of technology.
5. Search and Discovery Tools:
- IEEE Xplore offers advanced search and discovery tools, allowing users to efficiently find relevant articles, papers, and standards. Filters, keywords, and other search options enhance the precision of searches.
6. Collaboration and Networking:
- Users can collaborate and engage with fellow researchers, academics, and professionals through the IEEE Xplore platform. It facilitates networking and discussion around shared research interests.
7. Access to Educational Resources:
- In addition to research-oriented content, IEEE Xplore provides access to educational resources, tutorials, and online courses to support continuous learning and professional development.
8. Global Reach:
- IEEE Xplore is a global platform, serving the international community of researchers and professionals in the fields of electrical engineering, computer science, and related disciplines.
9. Mobile Accessibility:
- The platform is accessible on various devices, including desktops, laptops, and mobile devices. This ensures that users can stay connected with the latest research and developments while on the go.
10. Membership Benefits:
- IEEE members often enjoy additional benefits, including enhanced access to content, discounts on publications, and opportunities to participate in IEEE-sponsored events.
Related: Top 7 largest technology forum websites in the world
arXiv: A preprint repository that hosts research papers in various scientific disciplines, including physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering, systems science, and economics.

arXiv (pronounced "archive") is a highly regarded preprint repository and open-access platform that plays a crucial role in the dissemination of research across various scientific disciplines. Established in 1991, arXiv allows researchers to share their scholarly work before formal peer review, facilitating rapid communication and collaboration within the global scientific community.

Here's an introduction to arXiv:

1. Preprint Repository:
- arXiv serves as a preprint repository where researchers can share and access scholarly papers before they undergo formal peer review. This allows for rapid dissemination of research findings.
2. Multidisciplinary Content:
- The platform covers a broad spectrum of scientific disciplines, including physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering, systems science, and economics.
3. Open Access:
- arXiv is an open-access platform, meaning that the majority of its content is freely accessible to anyone with an internet connection. This open model fosters collaboration and ensures that research is widely available.
4. Rapid Communication:
- Researchers can submit their work to arXiv to quickly share findings with the global scientific community. This rapid communication is particularly valuable in fast-evolving fields where timely dissemination is crucial.
5. Author Submissions:
- The content on arXiv is primarily contributed by researchers who upload their own papers. Authors retain copyright over their work and can update or withdraw submissions as needed.
6. Subject Categories:
- arXiv organizes content into subject categories, making it easy for users to navigate and find research relevant to their interests. Popular categories include astrophysics, computer science, mathematics, and more.
7. Versioning and Revisions:
- Authors can submit revised versions of their preprints, and the platform maintains version history. This transparency allows users to track the evolution of research and access the latest updates.
8. Collaboration and Feedback:
- Researchers can engage in discussions, provide feedback, and collaborate directly on arXiv. This interactive aspect fosters a sense of community and encourages scholarly dialogue.
9. Integration with Research Tools:
- arXiv integrates with various research tools and services, making it a seamless part of researchers' workflows. This includes integration with reference managers, citation databases, and academic search engines.
10. Global Impact:
- arXiv has a global impact and is widely used by researchers, academics, and students worldwide. Its influence extends beyond traditional publishing models, promoting a more open and collaborative approach to scientific communication.
Reddit (Various Subreddits): Reddit hosts a multitude of technical subreddits where professionals and enthusiasts discuss topics ranging from programming (e.g., r/programming) to specific technologies and fields.

Reddit is a vast online platform hosting a multitude of communities known as subreddits, each dedicated to a specific topic, interest, or theme. Reddit has emerged as a popular and diverse space for discussions, information sharing, and community building across a wide range of subjects, including numerous technical and scientific fields. Here's an introduction to technical discussions on Reddit:

1. Diverse Subreddits:
- Reddit hosts a plethora of technical subreddits, each focusing on a particular area of interest. Examples include r/programming, r/AskComputerScience, r/dataisbeautiful, and many more.
2. Open Community Platform:
- Reddit provides an open platform for users to create, share, and engage in discussions. It's a space where professionals, enthusiasts, and learners come together to exchange knowledge.
3. User-Generated Content:
- Content on Reddit is predominantly user-generated. Users can submit posts, ask questions, share links, and participate in discussions. The voting system determines the visibility and popularity of posts.
4. Varied Content Formats:
- Discussions on Reddit encompass various content formats, including text posts, links to articles or tutorials, images, and videos. This versatility allows for diverse and engaging conversations.
5. Community Voting:
- Reddit employs an upvoting and downvoting system that enables the community to collectively curate content. Highly voted posts rise to the top, ensuring that valuable and interesting content gets visibility.
6. Knowledge Sharing:
- Subreddits dedicated to programming languages, software development, data science, and other technical topics serve as hubs for knowledge sharing. Users often seek advice, share experiences, and collaborate on problem-solving.
7. Ask Me Anything (AMA) Sessions:
- Many professionals and experts in the tech industry participate in Reddit's "Ask Me Anything" sessions, allowing the community to directly interact with and ask questions to notable figures in the field.
8. Support and Troubleshooting:
- Technical subreddits often serve as forums for seeking support and troubleshooting. Users can post queries related to coding issues, software glitches, or hardware problems, and the community provides assistance.
9. Career Advice and Networking:
- Subreddits related to technology also offer spaces for career advice, job postings, and networking opportunities. Users share insights into their career paths, discuss industry trends, and provide guidance to those entering the field.
10. Global Community:
- Reddit's global reach fosters a diverse and international community. Users from different parts of the world contribute their perspectives, creating a rich tapestry of experiences and insights.
TechCrunch Disrupt: While not a traditional forum, TechCrunch Disrupt events bring together some of the most innovative minds in the technology industry, offering a platform for networking and idea exchange.

TechCrunch Disrupt is an annual series of conferences organized by TechCrunch, a leading technology media property. These events are renowned for showcasing emerging startups, innovative technologies, and hosting competitions that highlight groundbreaking ideas in the tech industry. Here's an introduction to TechCrunch Disrupt:

1. Innovation and Startup Showcase:
- TechCrunch Disrupt is primarily known for its startup showcase where early-stage companies and entrepreneurs present their innovative products and ideas to a global audience. Startups often compete for attention, funding, and recognition.
2. Startup Battlefield:
- The centerpiece of TechCrunch Disrupt is the Startup Battlefield, a competition where selected startups pitch their products and business models to a panel of judges, industry experts, and a live audience. Winners receive prizes, exposure, and the opportunity to attract investors.
3. Product Launches:
- The conference serves as a platform for major product launches and announcements. Established companies and startups alike use TechCrunch Disrupt as a stage to unveil new products, services, and features.
4. Expert Panels and Fireside Chats:
- TechCrunch Disrupt features expert panels and fireside chats with influential figures in the technology and startup ecosystem. These discussions cover industry trends, investment strategies, and insights into the future of technology.
5. Networking Opportunities:
- The conference provides ample networking opportunities for attendees, including founders, investors, journalists, and tech enthusiasts. Networking sessions, exhibitions, and social events facilitate connections within the tech community.
6. Investor Participation:
- Prominent venture capitalists, angel investors, and representatives from investment firms attend TechCrunch Disrupt, seeking investment opportunities among the showcased startups. The conference acts as a bridge between entrepreneurs and potential investors.
7. Hackathon:
- TechCrunch Disrupt often includes a hackathon, where developers and engineers collaborate intensively to build innovative projects within a short timeframe. The hackathon concludes with presentations and awards.
8. International Reach:
- TechCrunch Disrupt events are hosted in major tech hubs globally, including Silicon Valley, New York, Berlin, and other cities. This international reach broadens the scope of startups and technologies featured at the conferences.
9. Media Coverage:
- The conference attracts extensive media coverage from TechCrunch and other major tech publications. This coverage helps startups gain visibility and recognition within the tech industry.
10. Educational Sessions:
- Beyond the showcase and competitions, TechCrunch Disrupt includes educational sessions and workshops covering topics such as fundraising strategies, product development, and growth hacking. Attendees can learn from experienced professionals in the field.
MIT Technology Review Forums: The MIT Technology Review hosts forums where professionals discuss emerging technologies, cutting-edge research, and industry trends.

The MIT Technology Review Forums provide a platform for in-depth discussions, analysis, and insights into cutting-edge technological advancements and their implications. Operated by the Massachusetts Institute of Technology's Technology Review magazine, these forums serve as an extension of the publication's commitment to exploring and understanding the intersection of technology and society. Here's an introduction to the MIT Technology Review Forums:

1. Expert-Led Discussions:
- MIT Technology Review Forums host expert-led discussions on a wide range of technology-related topics. Experts, thought leaders, and industry professionals contribute to the conversations, sharing their insights and expertise.
2. Focus on Emerging Technologies:
- The forums are particularly focused on emerging and disruptive technologies that have the potential to reshape industries and societies. Topics may include artificial intelligence, biotechnology, blockchain, robotics, and more.
3. Global Perspective:
- Reflecting MIT's global influence, the forums provide a platform for discussions with a global perspective. Contributors and participants come from diverse geographical locations, fostering a rich exchange of ideas.
4. Interdisciplinary Approach:
- The discussions often take an interdisciplinary approach, recognizing the interconnected nature of technology with fields such as ethics, policy, business, and the environment. This holistic perspective contributes to a well-rounded understanding of technological advancements.
5. Analysis of Trends and Impacts:
- MIT Technology Review Forums delve into the analysis of current technological trends and their broader societal impacts. This includes exploring the ethical, economic, and cultural implications of technological innovations.
6. Interactive Participation:
- Participants in the forums have the opportunity to engage in interactive discussions, ask questions, and share their perspectives. This interactive format encourages a diverse range of voices and opinions.
7. Thoughtful Commentary and Reporting:
- The forums maintain the high editorial standards associated with MIT Technology Review. The content is characterized by thoughtful commentary, in-depth reporting, and a commitment to accuracy and reliability.
8. Networking Opportunities:
- The forums provide networking opportunities for professionals, researchers, and technology enthusiasts. Participants can connect with like-minded individuals and build relationships within the technology community.
9. Events and Conferences:
- In addition to online forums, MIT Technology Review organizes events and conferences where participants can engage in face-to-face discussions, attend presentations, and network with industry leaders.
10. Educational Initiatives:
- MIT Technology Review Forums are part of the broader educational initiatives of MIT, contributing to knowledge dissemination and public understanding of science and technology.
Spiceworks Community: Focused on IT professionals and system administrators, the Spiceworks Community provides a platform for discussing tech-related issues, sharing knowledge, and seeking advice.

Spiceworks Community is an online platform that brings together IT professionals, system administrators, and tech enthusiasts to collaborate, share knowledge, and discuss a wide range of topics related to information technology. Founded in 2006, Spiceworks Community serves as a vibrant and supportive space for IT professionals to seek advice, troubleshoot issues, and stay updated on the latest trends in the tech industry. Here's an introduction to Spiceworks Community:

1. IT Professional Community:
- Spiceworks Community is specifically designed for IT professionals, including system administrators, network administrators, help desk technicians, and others involved in managing technology infrastructure.
2. Discussion Forums:
- The platform hosts a variety of discussion forums covering different aspects of IT, such as networking, hardware, software, security, and career-related topics. Users can participate in conversations, ask questions, and share their expertise.
3. Troubleshooting and Support:
- Spiceworks Community is a go-to destination for IT professionals facing technical challenges. Users can seek advice, share their experiences, and collaborate with peers to troubleshoot and resolve issues.
4. Community-driven Knowledge Base:
- The platform serves as a community-driven knowledge base where IT professionals share solutions, best practices, and how-to guides. This collective knowledge helps users find answers to common problems.
5. Vendor Collaboration:
- Vendors and tech companies actively participate in the community, providing product information, updates, and support. This allows IT professionals to interact directly with representatives from technology providers.
6. User Groups:
- Spiceworks Community includes user groups that focus on specific interests or regions. These groups provide a more targeted space for discussions and networking among users with similar interests or locations.
7. Events and Webinars:
- The platform hosts events, webinars, and virtual meetups where IT professionals can engage with industry experts, learn about new technologies, and discuss relevant topics in real-time.
8. SpicePoints and Badges:
- Users can earn SpicePoints and badges based on their contributions to the community. This gamification element encourages active participation and recognizes members for their expertise and engagement.
9. Job Board:
- Spiceworks Community features a job board where IT professionals can explore job opportunities, post job openings, and connect with potential employers within the tech industry.
10. Community-driven Development:
- Spiceworks Community is part of the broader Spiceworks platform, which includes IT management tools. The community actively contributes to the development of Spiceworks products through feedback and feature requests.
Hacker News: Run by Y Combinator, Hacker News is a platform for sharing and discussing computer science, entrepreneurship, and tech-related news and articles.

Hacker News is a social news website that caters to the technology and startup community. Created by Y Combinator, a well-known startup accelerator, Hacker News serves as a platform for sharing and discussing news and articles related to technology, entrepreneurship, programming, and computer science. Here's an introduction to Hacker News:

1. User-Driven Content:
- Hacker News operates on a user-driven model where the community contributes, upvotes, and discusses content. The most popular and relevant posts rise to the top of the front page.
2. Focus on Tech and Startup Topics:
- The platform is centered around technology-related topics, including software development, hardware, startups, venture capital, science, and other subjects relevant to the tech industry.
3. News Aggregation:
- Hacker News functions as a news aggregation site, collecting and presenting the latest stories and articles from around the web. Users can submit links to interesting content, and the community votes on their popularity.
4. Clean and Minimalistic Design:
- The website features a clean and minimalistic design, emphasizing content and discussions. The simplicity of the interface contributes to a focused and distraction-free user experience.
5. Discussion Threads:
- Each post on Hacker News has an associated discussion thread where users can share their thoughts, insights, and engage in conversations. Discussions often provide additional context and perspectives on the featured content.
6. Y Combinator Connection:
- As a project of Y Combinator, Hacker News has a direct connection to the startup accelerator. This association adds credibility to the platform and attracts a community interested in entrepreneurship and innovation.
7. Voting System:
- Users can upvote or downvote both content submissions and comments. The voting system helps in determining the visibility and popularity of posts, ensuring that the most interesting and valuable content gains prominence.
8. Ask HN and Show HN:
- Hacker News has specific post formats called "Ask HN" and "Show HN." "Ask HN" is for asking the community questions, seeking advice, or initiating discussions. "Show HN" is for sharing projects, products, or interesting findings.
9. Job Postings:
- The platform has a dedicated section for job postings in the tech industry. Companies can post job opportunities, and users can discover employment opportunities within the community.
10. Diverse and Global Community:
- Hacker News has a diverse and global user base, including entrepreneurs, developers, designers, investors, and tech enthusiasts. This diversity contributes to a wide range of perspectives and insights in discussions.
ACM Digital Library: The ACM (Association for Computing Machinery) Digital Library is a repository of scholarly articles and conference proceedings in the field of computer science.

The ACM Digital Library is a comprehensive repository of scientific and educational content in the field of computer science and information technology. Operated by the Association for Computing Machinery (ACM), the Digital Library provides access to a vast collection of research articles, conference proceedings, technical magazines, and educational resources. Here's an introduction to the ACM Digital Library:

1. Extensive Collection of Resources:
- The ACM Digital Library houses an extensive and diverse collection of resources, including research articles, conference papers, journals, magazines, and books covering a wide range of topics within computer science and information technology.
2. Peer-Reviewed Publications:
- The majority of content available on the ACM Digital Library is peer-reviewed, ensuring high academic standards and reliability. Researchers and professionals can access the latest advancements in various subfields of computer science.
3. ACM Journals and Magazines:
- The Digital Library includes ACM's prestigious journals and magazines, such as the "Communications of the ACM" (CACM), which publishes authoritative articles on computing and information technology.
4. Conference Proceedings:
- ACM is renowned for organizing and publishing proceedings from major conferences in computer science. The Digital Library provides access to these proceedings, allowing researchers to stay updated on the latest conference research.
5. Educational Resources:
- In addition to research-oriented content, the ACM Digital Library offers educational resources, including tutorials, courses, and learning materials. This supports continuous learning and professional development within the computing community.
6. Search and Discovery Tools:
- The platform provides advanced search and discovery tools, enabling users to efficiently find relevant articles and publications. Filters, keywords, and citation information enhance the precision of searches.
7. Digital Library Special Interest Groups (SIGs):
- ACM is organized into Special Interest Groups (SIGs), each focusing on a specific area of computer science. The Digital Library reflects this organizational structure, making it easy for users to explore content related to their specific interests.
8. ACM TechNews:
- ACM TechNews, a weekly digest of top computing news stories, is integrated into the Digital Library. Subscribers can stay informed about the latest developments, trends, and news in the computing world.
9. Author and Citation Information:
- Each publication includes detailed author information, and citation details are provided, facilitating proper attribution and acknowledgment in academic and professional contexts.
10. Membership Benefits:
- ACM members often enjoy additional benefits, including enhanced access to content, discounts on conferences, and participation in the broader ACM community. Membership enhances the overall experience of using the ACM Digital Library.

Keep in mind that the prestige of a forum can vary depending on the specific domain of technology and the interests of its users. Additionally, the effectiveness of these platforms often lies in the active participation and engagement of their communities.

FAQs:

What is the top 10 forum with most users online?

Most Popular Online Forums

Reddit (430 million monthly users) ...
Quora (300 million monthly users) ...
Craigslist Forum (55 million monthly users) ...
GameSpot (58+ million annual page views) ...
IGN Boards (1.3 million registered members) ...
Stack Overflow (10 million registered members) ...
Something Awful (150,000 paid members)

What is the largest electronic discussion forum?

Reddit - With over 330 million monthly active users and more than 130,000 active communities, Reddit is one of the largest and most active forums on the internet. It covers a wide range of topics and has a highly engaged user base. Quora - Quora is a question-and-answer forum with over 300 million monthly active users.