Analytics Vidhya – This knowledge and community portal serves both beginners and professionals from analytics, data science & data engineering communities to enhance their careers. The portal is simple and serves the community through the latest blogs, discussions, machine learning hackathons, data science trainings, meetups and jobs.
Data Science Central – Data Science Central is the industry’s online resource for big data practitioners. The website provides a community experience that includes a robust editorial platform, social interaction, forum-based technical support, the latest in technology, tools and trends and industry job opportunities.
KDnuggets – KDnuggets provides a platform to connect on Business Analytics, Big Data, Data Mining, Data Science, and Machine Learning. The site has sections for news, stories, opinions, tutorials, meetups, and more.
Data Science on Reddit – For those familiar with Reddit, this subreddit provides a comfortable forum to share opinions and find others interested in data science. Discover trending topics or ask any burning data science questions.
Smart Data Collective – SmartData Collective is an editorially independent, moderated community providing enterprise leaders access to the latest trends in Business Intelligence and Data Management.This site serves as a platform for recognized, global experts to share their insights through peer contributions, custom content publishing and alignment with industry leaders.
Data Tau – Data Tau is a platform that allows users to share links to data science related resources, tutorials and projects. It’s a very simple interface that lets you also comment on shared links.
Codementor – Learn about the latest trends in Data Science. You can also find tutorials, posts, and find mentors to develop your database systems or programming languages skills for free.
Medium – Data Science – Read stories about Data Science contributed by a diverse set of thought leaders on Medium. Discover topics that matter most to you like machine learning, big data, artificial intelligence, data visualization, and python.
D Zone: Big Data Zone – DZone.com is one of the world’s largest online communities and leading publisher of knowledge resources for software developers. This site brings together thousands of developers to read about the latest technology trends, methodologies, and best practices through shared knowledge.
Kaggle – Learn to do data science and machine learning, play with data, and connect with other data scientists. Kaggle also hosts competitions to challenge data scientists and machine learning professionals from around the world.
Cross Validated – Cross Validated is a Q&A site for people interested in statistics, machine learning, data analysis, data mining, and data visualization. Ask your own questions, or help out fellow learners with your own knowledge.
Data.world – Discover and share data, connect with interesting people, and work together to solve problems faster. When you share data, community members can help clean it, add annotations, scripts and visualizations, or just upvote and discuss it.
Analytic Bridge – This site focuses on data analytics and business intelligence. Discover classifieds, webinars, jobs and more.
Data Science Community – DataScience.Community displays the top must-read articles every day. Find jobs, look for candidates, or display a portfolio page to show off your work.