# Sourcegraph knowledge bases extension > ⚠️ Sourcegraph extensions have been [deprecated with the September 2022 Sourcegraph release](https://docs.sourcegraph.com/extensions/deprecation). Browse Markdown knowledge bases (e.g. [Obsidian vaults](https://obsidian.md/) or [Foam repositories](https://github.com/foambubble/foam/)) in [Sourcegraph](https://about.sourcegraph.com/). [**Enable on Sourcegraph.com →**](https://sourcegraph.com/extensions/bobheadxi/sourcegraph-knowledge-bases) ![Sourcegraph extension](https://github.com/bobheadxi/sourcegraph-knowledge-bases/blob/master/.static/feature.png?raw=true) ## Roadmap - Hovers - [x] Preview and link to `[[LINK]]` and `[[LINK|ALIAS]]` Wikilinks - [ ] Preview and link anchored `[[LINK#ANCHOR]]` Wikilinks - [ ] Metadata and links for `#TAG`s - Side panes - [ ] Browse inbound (backlinks) and outbound links - [ ] Browse `#TAG`s in side panes ## Current limitations The Sourcegraph extensions API currently doesn't seem to enable hovers on Markdown previews, so you must toggle off previews for this extension to work at the moment.