The document summarizes an IBM presentation about open source applications available on OpenNTF.org. OpenNTF is a website that enables collaboration on IBM Lotus Notes/Domino applications and makes them available as open source. The presentation highlights several rich client, web, and mobile applications that are available as open source projects on OpenNTF, as well as controls and tools. It encourages participation in OpenNTF projects by contributing code, providing feedback, helping the technical committee, using OpenNTF code, and becoming a member.