Free Online Resources

The following online resources can be used to help you sharpen your computer science, cyber security, and programming skills–for free.

Join the conversation!

Have questions about cyber security? Looking for help in learning a new computer science skill? Join the conversation in the NodeSC Slack channel.

Slack ( is a group chat tool that allows you to speak with other NodeSC students and volunteers who can help answer your security and computer science questions. It is monitored by security professionals and NodeSC volunteers to ensure the conversation is kept at a high quality.

To request an invitation to the NodeSC Slack, contact NodeSC ( Any students interested in joining the NodeSC Slack must register using a valid SC school email address.