deliver on the promise of design
stack overflow is the largest, most trusted online community for developers to learn, share their programming knowledge, and build their careers.
github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.
well organized and easy to understand web building tutorials with lots of examples of how to use html, css, javascript, sql, python, php, bootstrap, java, xml and more.
trello is the ultimate project management tool. start up a board in seconds, automate tedious tasks, and collaborate anywhere, even on mobile.
scalable, secure, cross-device and enterprise-ready team collaboration whiteboard for distributed teams. join 40m+ users from around the world.
a computer science portal for geeks. it contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview questions.
daily articles about css, html, javascript, and all things related to web design and development.
Първите 5 конкуренти на zeplin.io са bitbucket.org, casper.tw, css-tricks.com, freecodecamp.org, geeksforgeeks.org