Run a virtual conference using only open source tools

Sure! Here are some open-source tools that can be used to run a virtual conference:

1. Zoom: Zoom is a popular video conferencing platform that is available for free and has many features such as screen sharing, breakout rooms, and polls. It also has a web-based interface that allows users to join the conference from any device with an internet connection.

2. BigBlueButton: BigBlueButton is another open-source video conferencing platform that is designed specifically for educational institutions. It has many features such as live recording, transcripts, and closed captioning.

3. Jitsi: Jitsi is a decentralized video conferencing platform that allows users to create their own virtual meeting rooms. It also has many features such as screen sharing, file sharing, and end-to-end encryption.

4. Kaltura: Kaltura is an open-source video streaming platform that can be used to host live and on-demand video content. It also has many features such as transcoding, DRM, and analytics.

5. Mumble: Mumble is a voice chat application that is designed for low latency and high quality audio. It can be used to facilitate real-time communication during the conference.

6. Piwigo: Piwigo is an open-source platform for creating and hosting online quizzes and surveys. It can be used to create interactive polls and quizzes during the conference.

7. OpenStreetMap: OpenStreetMap is a free and open-source mapping platform that can be used to create custom maps for the conference venue or location.

8. LibreOffice: LibreOffice is an open-source productivity suite that includes tools such as word processors, spreadsheets, and presentations. It can be used to create and share conference materials such as agendas, slides, and handouts.

These are just a few examples of the many open-source tools available for running a virtual conference. The specific tools you choose will depend on your needs and preferences.