Update 2019-01-01-00_overview.md (#872)

Add PodOS

_posts/developers/apps/tools/2019-01-01-00_overview.md

@@ -22,6 +22,7 @@ Session, Profile, Inbox, Chat...
   * [Solid Filemanager](https://github.com/Otto-AA/solid-filemanager) - a file manager for Solid pods
   * [Solid IDE](https://github.com/jeff-zucker/solid-ide) - GUI front-end for Solid document management and syntax-highlighting pod editor
   * [Solid Shell](https://github.com/jeff-zucker/solid-shell) - command line, interactive shell, and batch processor for Solid document management
+  * [PodOS Browser](https://browser.pod-os.org) - Browse and manage things in a Solid pod
 
 
 ## <a name="libraries">Solid-specific JavaScript Libraries</a>
@@ -58,6 +59,7 @@ Beginning developers may want to start with one of the interface libraries which
 
   * <a name="interface">**SDK & Components Libraries**</a>
      * [Solid React Components for GraphQL-LD](https://github.com/rubensworks/solid-react-graphql-ld.js)
+     * [PodOS elements](https://github.com/pod-os/PodOS/tree/main/elements) - HTML custom elements (aka web components) for read from and write to Solid pods.
 
   * <a name="solidos">**Solid OS - Solid as an operating system & databrowser interface**</a>
      * [SolidOS overview](https://github.com/SolidOS/solidos) - SolidOS as a code stack for Solid which includes: