Software developer communities

programming language learning environment

thumb|A Wikimedia Hackathon in [[Prague]] A hackathon (also known as a hack day, hackfest, datathon or codefest; a portmanteau of hacking and marathon) is an event where people engage in rapid and collaborative engineering over a relatively short period of time, such as 24 or 48 hours in person or several days online. They are often run using agile software development practices, such as sprint-like design wherein computer programmers and others involved in software development, including graphic designers, interface designers, product managers, domain experts, and others collaborate intensive

website for professional and enthusiast programmers

Microsoft forum for Developers and testers

Google Developers information and code(RDS)

process of writing software for Android operating system

network of question and answer websites

programming language

Apple Inc.'s developer network

2020 sandbox game creation system developed by Media Molecule

CodePen is an online community for testing and showcasing user-created HTML, CSS and JavaScript code snippets. It functions as an online code editor and open-source learning environment, where developers can create code snippets, called "pens," and test them. It was founded in 2012 by full-stack developers Alex Vazquez and Tim Sabat and front-end designer Chris Coyier. Its employees work remotely, rarely all meeting together in person. CodePen is a large community for web designers and developers to showcase their coding skills, with an estimated 330,000 registered users and 14.16 million mont

LeetCode is an online platform for coding interview preparation. The platform provides coding and algorithmic problems intended for users to practice coding. LeetCode has gained popularity among job seekers in the software industry and coding enthusiasts as a resource for technical interviews and coding competitions. As of 2025, the website has 26.3 million monthly visitors.

PyLadies is an international mentorship group which focuses on helping more women become active participants in the Python open-source community. It is part of the Python Software Foundation. It was started in Los Angeles in 2011. The mission of the group is to create a diverse Python community through outreach, education, conferences and social gatherings. PyLadies also provides funding for women to attend open source conferences. The aim of PyLadies is increasing the participation of women in computing. PyLadies became a multi-chapter organization with the founding of the Washington, D.C., c

Catrobat is a block-based visual programming language and Open Source Software non-profit project. First released in 2010 by Wolfgang Slany from the Graz University of Technology in Austria. The multidisciplinary team develops the programming language and free apps for teenagers to create their own games, animations, music videos, or all other kinds of apps directly on a smartphone based on the Catrobat framework.

CodeProject (formerly Code Project and The Code Project) was a community for computer programmers with articles on different topics and programming languages such as web development, software development, C++, Java, and other topics. Once a visitor registered a user account on the site, they could gain "reputation" which unlocked various privileges such as the ability to store personal files in the user's account area, have live hyperlinks in their profile biography, and more. Members could also write and upload their own articles and code for other visitors to view.

network of software developers in China