Discover the world's most
active communities.
The free, open directory for finding communities that matter.
Recently Added
The newest communities our pipeline has vetted and published.
Explore by Category
Startups
4 Communities
Fitness
3 Communities
Writing
3 Communities
Crypto & Web3
2 Communities
Design
2 Communities
Cooking & Food
0 Communities
Education
0 Communities
DevOps & Cloud
0 Communities
Sales
0 Communities
Travel
0 Communities
Real Estate
0 Communities
Remote Work
0 Communities
Cybersecurity
0 Communities
Finance & Investing
0 Communities
Music
0 Communities
Marketing
0 Communities
No-Code & Low-Code
0 Communities
Climate & Sustainability
0 Communities
Gaming
0 Communities
Data Science & AI
0 Communities
Product Management
0 Communities
Developers
0 Communities
Photography
0 Communities
Parenting
0 Communities
Mental Health
0 Communities
Trending Communities
Startup Grind is a global community dedicated to supporting early-stage startups. It offers education, opportunities, and connections for entrepreneurs building and growing their companies. The community emphasizes making friends, giving first, and helping others, fostering a welcoming environment for founders, creators, and innovators.
Members
5,000,000
Platform
custom
The Warrior Forum is a prominent online community focused on digital marketing, offering a marketplace and discussion boards for members to share insights, ask questions, and find resources. It covers a wide range of topics including SEO, AI, social media, and eCommerce.
Members
2,005,459
Platform
custom
Mind the Product is a global community for product people to learn from the best, share what works (and what doesn’t), and future-proof themselves. It offers resources, articles, and a platform for ongoing discussions.
Members
300,000
Platform
custom
The Fastlane Entrepreneur Discussion Forum is a community dedicated to building life-changing wealth through 'Fastlane' businesses. It focuses on achieving real financial freedom and living a better life by sharing knowledge and experiences among entrepreneurs.
Members
103,361
Platform
custom
Hackaday.io is the world's largest collaborative hardware development community and online repository for Open Hardware Projects. It provides a platform for users to discover, create, and collaborate on hardware projects, with features for documenting progress and connecting with a broad community for feedback and support.
Members
1,000,000
Platform
custom
CoFoundersLab is the world's largest network of entrepreneurs dedicated to assisting entrepreneurial-minded individuals in gaining access to the tools they require to succeed. It facilitates creative entrepreneurial partnerships by connecting members with like-minded individuals in the same field. The platform provides access to a global ecosystem of resources, including education, finance, mentorship, and partnerships.
Members
625,000
Platform
custom
Turn2Me is an online mental health support platform offering a safe, anonymous, and confidential space for users to gain support. It provides peer support through a 'Thought Catcher' mood diary and facilitated anonymous support groups, as well as professional one-to-one counselling services.
Members
120,000
Platform
custom
Acquire.com is the largest marketplace for buying and selling profitable online businesses. It facilitates transactions for SaaS, e-commerce, agencies, content sites, newsletters, mobile apps, and crypto businesses. The platform aims to make online business acquisitions fast, safe, and easy for both sellers and buyers.
Members
500,000
Platform
custom
GrowthHackers Community is a private, invite-only community for founders, heads of growth, marketers, product managers, and innovators focused on business growth and career development. Members collaborate, share experiences, and learn about growth hacking methodologies, experimentation, and case studies.
Members
40,000
Platform
custom
A community focused on Local SEO, encompassing discussions on SEO strategies, AI's impact on search, optimizing Google My Business profiles, and help with Google Ads. It serves as a hub for professionals and enthusiasts looking to improve local search visibility.
Members
35,000
Platform
Startup CPG is the largest global community for emerging food, beverage, beauty, and wellness brands. It connects these brands with industry experts and resources to facilitate learning, growth, and success. The community offers a Slack platform, in-person events, and various media resources like podcasts and blogs.
Members
30,000
Platform
slack
Django Girls is a non-profit organization and community that empowers women to organize free programming workshops. They provide resources and support to help women build their first web applications using Python and Django.
Members
26,303
Platform
custom
Lobste.rs is a technology-focused community where users can share and discuss links related to programming, security, and other tech topics. It emphasizes community-driven content and discussions.
Members
20,000
Platform
custom
Local Search Forum is a community dedicated to discussions and news surrounding Local Search and Local SEO. It offers a platform for professionals to discuss topics like Google Business Profile, local content, citations, and paid search strategies. The forum also includes sections for agency owners, tools, and job postings.
Members
8,928
Platform
custom
Builder Society is a community forum for entrepreneurs and builders focused on making money online. It features discussions on digital strategy, marketing, SEO, AI, web development, and more. The community aims to provide a space for members to share knowledge, find opportunities, and grow their online ventures.
Members
8,943
Platform
custom
BizWarriors is a discussion forum for entrepreneurs and small business owners. It provides a platform to learn from others about how to plan, finance, promote, and grow a business. The forum covers a wide range of topics including startup, management, marketing, and technology.
Members
6,122
Platform
custom
The Community Club is a nonprofit association dedicated to community professionals and the craft of community building. It aims to elevate collaboration and awareness by facilitating connections among professionals worldwide. The club offers resources, programs, and networking opportunities to help members make a positive impact.
Members
5,000
Platform
custom
WIP is a curated community for indie makers to share their daily progress and build a habit of shipping. Members can learn from others, get feedback on their projects, and connect through weekly hangouts. It's a place to surround yourself with other successful makers sharing similar goals.
Members
3,693
Platform
custom
Everything Marketplaces is a community for ambitious founders, operators, and leaders in the marketplace startup space. It provides a platform for learning best practices, sharing insights, and receiving help from peers and industry experts to accelerate growth.
Members
2,500
Platform
custom
StartUp Westport is an organization founded to foster a dynamic, innovative ecosystem where entrepreneurs, investors, and professionals can collaborate, network, and grow. It aims to leverage Westport's unique blend of affluent professionals and proximity to major tech and finance hubs to create a space where the startup community can thrive. The organization offers a mentorship program, special interest groups, and hosts tentpole events.
Members
1,800
Platform
custom
Women in Technology (WIT) is a regional organization dedicated to advancing women in technology careers in the DC metro area. Since 1994, it has empowered women through education, mentoring, and professional growth, aiming to foster an inclusive and innovative technology industry. WIT supports women at all stages of their tech journey, from students to executives, by providing educational opportunities, career advancement resources, and advocating for leadership representation.
Members
1,000
Platform
custom
English Like A Native is an online learning community hosted on Circle, designed for English language students worldwide. It integrates courses with interactive features like live events, dedicated spaces for different language levels, and a searchable knowledge base to foster an immersive and supportive learning environment.
Members
1,000
Platform
circle
The Library is a Discord-based chatroom for fiction writers of all skill levels. The community offers support and encouragement for writing projects, hosts daily topic discussions, contests, and provides critique channels. It also features a writing sprint bot, a large library of writing prompts, and separate chat rooms for socializing and gaming.
Members
700
Platform
discord
DigitalPoint is a long-standing online community focused on web development, SEO, and online advertising. It provides a platform for members to discuss industry trends, share knowledge, and seek solutions to technical challenges.
Members
1,228
Platform
custom
A community where founders share transparent revenue data, growth strategies, and product development experiences.
Platform
forum
One of the largest fitness communities on Reddit covering training programs, nutrition, and progress tracking.
Platform
One of the oldest fitness forums on the internet, covering bodybuilding, nutrition, and general fitness discussion.
Platform
forum
One of the largest writing communities on Reddit. Discussions on craft, publishing, feedback, and the writing life.
Platform
A writing workshop community with a karma-based critique system ensuring reciprocal, detailed feedback.
Platform
custom
The original Bitcoin forum, founded by Satoshi Nakamoto. The oldest and most historically significant cryptocurrency community.
Platform
forum
The core Ethereum developer community. Hub for protocol development, EIP discussions, and open-source collaboration.
Platform
discord
The heart of the internet
Platform
The most influential startup accelerator. Application-only access for founders building technology companies.
Platform
custom
Reddit community for startup founders discussing early-stage challenges, fundraising, and product-market fit.
Platform
Functional fitness community with 14,000+ affiliated gyms worldwide. Combines online community with local boxes.
Platform
custom
Job postings at the intersection of design and social impact. More than just a job board, this is a place to meet designers around the globe working toward world betterment. Get career advice and design feedback. Learn about events or evolutions in strategies for designing for progress and change. Connect with folks tackling the same complex challenges as you. People of all backgrounds, training, career experience and identity are welcome. This is an inclusive community aimed at building up our practices — and one another.
Platform
slack
Finding the right community can be life-changing.
There is no reliable, comprehensive index of online communities on the web. Discovery is fragmented across Reddit threads, blog posts, and word of mouth. We are building the missing layer — a free, open directory where people find communities that matter to them, and communities become discoverable to the people who need them.
Read our story →