Welcome

This course picks up where CS50x leaves off, diving more deeply into the design and implementation of web apps with Python, JavaScript, and SQL using frameworks like Django, React, and Bootstrap. Topics include database design, scalability, security, and user experience. Through hands-on projects, students learn to write and use APIs, create interactive UIs, and leverage cloud services like GitHub and Heroku. By semester’s end, students emerge with knowledge and experience in principles, languages, and tools that empower them to design and deploy applications on the Internet.

Prerequisites
CS50x or prior experience in any programming language.
Watch an introduction

How to Take this Course

Even if you are not a student at Harvard, you are welcome to “take” this course for free via this OpenCourseWare by working your way through the course’s nine weeks of material. If you’d like to submit the course’s six projects for feedback, be sure to create an edX account, if you haven’t already. Ask questions along the way via any of the course’s communities!

How to Teach this Course

If you are a teacher, you are welcome to adopt or adapt these materials for your own course, per the license.