The document introduces various online tools that can be used to foster collaboration and community in online and hybrid courses. It discusses how online learning can feel isolating, but collaborative activities can help alleviate that feeling. It then proceeds to briefly describe the functions of tools like VoiceThread, Keep and Share, Writeboard, and others that allow for file sharing, video conferencing, collaborative writing and editing, and other joint work online. The document stresses that while face-to-face interaction cannot be replaced, these tools provide opportunities to build community in online learning environments.