Free self-hosted desktop app: https://github.com/athensresearch/athens/releases; Paid tiers available through https://opencollective.com/athens; Try the demo at https://athensresearch.github.io/athens; Docs viewable at https://app.gitbook.com/@athensresearch/s/handbook/ - athensresearch/athens #note-taking #roam #knowledgebase #app #pub