The speaker talks about the process of migrating from proprietary to open-source knowledge management tools. They discuss the reasons to migrate, including privacy and security concerns, vendor and data lock-in, accessibility, and ethical considerations. They outline a general plan for the migration process, which includes considering data format and dependencies, setting up the new software, cleaning up data, executing the migration, mapping data and structure, conducting testing, delivering in production, and providing user training. They then demonstrate two migrations: one from Confluence to xWiki using XML export, and another from SharePoint using CSV export. They explain the steps involved in each migration and highlight the importance of addressing macros and metadata during the process. The speaker concludes by highlighting the importance of facilitating migrations to open source, and answers questions from the audience about various aspects of the migration process.