ConferenceXP is a free and open source video conferencing platform designed to address the needs of academic distance learning / multi-institutional instruction and advanced collaboration scenarios.

It supports advanced capabilities including: handwriting and 'ink' input through Tablet PCs; high definition video sharing up to 1080p (Full HD); and desktop conferencing via USB and IEEE 1394 cameras.

ConferenceXP was originally conceived in 2001 by the Microsoft Research Learning Science and Technology team and released under a shared source license.

[2] The following Universities in the United States and Ireland have been involved in research, development and/or innovative deployment with ConferenceXP: There are other institutions which have invested resources in development on this platform: ConferenceXP is a platform supporting applications and services for low-latency, high fidelity conferencing applications.

One of the most notable applications is Classroom Presenter developed by a team of researchers at University of Washington,[9] led by Richard Anderson.