diff --git a/plugins/core/core.plugin.json b/plugins/core/core.plugin.json
index 68bdbfb3..9be62ec0 100644
--- a/plugins/core/core.plugin.json
+++ b/plugins/core/core.plugin.json
@@ -13,7 +13,8 @@
       "requiredContext": {}
     },
     "Insert Current Date": {
-      "invoke": "insert_nice_date"
+      "invoke": "insert_nice_date",
+      "slashCommand": "/insert-today"
     },
     "Toggle : Heading 1": {
       "invoke": "toggle_h1",
diff --git a/server/server.ts b/server/server.ts
index 95e20f63..a1d24ac6 100644
--- a/server/server.ts
+++ b/server/server.ts
@@ -6,24 +6,31 @@ import { oakCors } from "https://deno.land/x/cors@v1.2.0/mod.ts";
 import { readAll } from "https://deno.land/std@0.126.0/streams/mod.ts";
 import { exists } from "https://deno.land/std@0.126.0/fs/mod.ts";
 
+type NuggetMeta = {
+  name: string;
+  lastModified: number;
+};
+
 const fsPrefix = "/fs";
 const nuggetsPath = "../nuggets";
 
 const fsRouter = new Router();
 
-fsRouter.use(oakCors());
+fsRouter.use(oakCors({ methods: ["OPTIONS", "GET", "PUT", "POST"] }));
 
 fsRouter.get("/", async (context) => {
   const localPath = nuggetsPath;
-  let fileNames: string[] = [];
+  let fileNames: NuggetMeta[] = [];
   for await (const dirEntry of Deno.readDir(localPath)) {
     if (dirEntry.isFile) {
-      fileNames.push(
-        dirEntry.name.substring(
+      const stat = await Deno.stat(`${localPath}/${dirEntry.name}`);
+      fileNames.push({
+        name: dirEntry.name.substring(
           0,
           dirEntry.name.length - path.extname(dirEntry.name).length
-        )
-      );
+        ),
+        lastModified: stat.mtime?.getTime()!,
+      });
     }
   }
   context.response.body = JSON.stringify(fileNames);
@@ -33,7 +40,9 @@ fsRouter.get("/:nugget", async (context) => {
   const nuggetName = context.params.nugget;
   const localPath = `${nuggetsPath}/${nuggetName}.md`;
   try {
+    const stat = await Deno.stat(localPath);
     const text = await Deno.readTextFile(localPath);
+    context.response.headers.set("Last-Modified", "" + stat.mtime?.getTime());
     context.response.body = text;
   } catch (e) {
     context.response.status = 404;
@@ -46,7 +55,9 @@ fsRouter.options("/:nugget", async (context) => {
   try {
     const stat = await Deno.stat(localPath);
     context.response.headers.set("Content-length", `${stat.size}`);
+    context.response.headers.set("Last-Modified", "" + stat.mtime?.getTime());
   } catch (e) {
+    // For CORS
     context.response.status = 200;
     context.response.body = "";
   }
@@ -69,8 +80,10 @@ fsRouter.put("/:nugget", async (context) => {
   const text = await readAll(result.value);
   file.write(text);
   file.close();
+  const stat = await Deno.stat(localPath);
   console.log("Wrote to", localPath);
   context.response.status = existingNugget ? 200 : 201;
+  context.response.headers.set("Last-Modified", "" + stat.mtime?.getTime());
   context.response.body = "OK";
 });
 
diff --git a/webapp/src/boot.ts b/webapp/src/boot.ts
new file mode 100644
index 00000000..c57217db
--- /dev/null
+++ b/webapp/src/boot.ts
@@ -0,0 +1,15 @@
+import { Editor } from "./editor";
+import { HttpFileSystem } from "./fs";
+import { safeRun } from "./util";
+
+let editor = new Editor(
+  new HttpFileSystem(`http://${location.hostname}:2222/fs`),
+  document.getElementById("root")!
+);
+
+safeRun(async () => {
+  await editor.init();
+});
+
+// @ts-ignore
+window.editor = editor;
diff --git a/webapp/src/components/command_palette.tsx b/webapp/src/components/command_palette.tsx
index 33cd7975..f71a418d 100644
--- a/webapp/src/components/command_palette.tsx
+++ b/webapp/src/components/command_palette.tsx
@@ -1,4 +1,5 @@
 import { AppCommand } from "../types";
+import { isMacLike } from "../util";
 import { FilterList, Option } from "./filter";
 
 export function CommandPalette({
@@ -9,8 +10,12 @@ export function CommandPalette({
   onTrigger: (command: AppCommand | undefined) => void;
 }) {
   let options: Option[] = [];
+  const isMac = isMacLike();
   for (let [name, def] of commands.entries()) {
-    options.push({ name: name });
+    options.push({
+      name: name,
+      hint: isMac && def.command.mac ? def.command.mac : def.command.key,
+    });
   }
   console.log("Commands", options);
   return (
diff --git a/webapp/src/components/filter.tsx b/webapp/src/components/filter.tsx
index a1a40c0a..3f159f9f 100644
--- a/webapp/src/components/filter.tsx
+++ b/webapp/src/components/filter.tsx
@@ -2,26 +2,28 @@ import React, { useEffect, useRef, useState } from "react";
 
 export interface Option {
   name: string;
+  orderId?: number;
   hint?: string;
 }
 
 function magicSorter(a: Option, b: Option): number {
-  if (a.name.toLowerCase() < b.name.toLowerCase()) {
-    return -1;
-  } else {
-    return 1;
+  if (a.orderId && b.orderId) {
+    return a.orderId < b.orderId ? -1 : 1;
   }
+  return a.name.toLowerCase() < b.name.toLowerCase() ? -1 : 1;
 }
 
 export function FilterList({
   placeholder,
   options,
   onSelect,
+  onKeyPress,
   allowNew = false,
   newHint,
 }: {
   placeholder: string;
   options: Option[];
+  onKeyPress?: (key: string, currentText: string) => void;
   onSelect: (option: Option | undefined) => void;
   allowNew?: boolean;
   newHint?: string;
@@ -75,7 +77,6 @@ export function FilterList({
     document.addEventListener("click", closer);
 
     return () => {
-      console.log("Unsubscribing");
       document.removeEventListener("click", closer);
     };
   }, []);
@@ -90,6 +91,9 @@ export function FilterList({
         onChange={filter}
         onKeyDown={(e: React.KeyboardEvent) => {
           console.log("Key up", e.key);
+          if (onKeyPress) {
+            onKeyPress(e.key, text);
+          }
           switch (e.key) {
             case "ArrowUp":
               setSelectionOption(Math.max(0, selectedOption - 1));
diff --git a/webapp/src/components/navigation_bar.tsx b/webapp/src/components/navigation_bar.tsx
index e9252f66..dc94d22c 100644
--- a/webapp/src/components/navigation_bar.tsx
+++ b/webapp/src/components/navigation_bar.tsx
@@ -1,14 +1,16 @@
+import { NuggetMeta } from "../types";
+
 export function NavigationBar({
   currentNugget,
   onClick,
 }: {
-  currentNugget?: string;
+  currentNugget?: NuggetMeta;
   onClick: () => void;
 }) {
   return (
     <div id="top">
       <div className="current-nugget" onClick={onClick}>
-        » {currentNugget}
+        » {currentNugget?.name}
       </div>
     </div>
   );
diff --git a/webapp/src/components/nugget_navigator.tsx b/webapp/src/components/nugget_navigator.tsx
index c937221f..14dcac04 100644
--- a/webapp/src/components/nugget_navigator.tsx
+++ b/webapp/src/components/nugget_navigator.tsx
@@ -11,7 +11,11 @@ export function NuggetNavigator({
   return (
     <FilterList
       placeholder=""
-      options={allNuggets}
+      options={allNuggets.map((meta) => ({
+        ...meta,
+        // Order by last modified date in descending order
+        orderId: -meta.lastModified.getTime(),
+      }))}
       allowNew={true}
       newHint="Create nugget"
       onSelect={(opt) => {
diff --git a/webapp/src/editor.tsx b/webapp/src/editor.tsx
index e7e4f38f..6dde192a 100644
--- a/webapp/src/editor.tsx
+++ b/webapp/src/editor.tsx
@@ -1,5 +1,6 @@
 import {
   autocompletion,
+  Completion,
   CompletionContext,
   completionKeymap,
   CompletionResult,
@@ -11,12 +12,12 @@ import { indentOnInput, syntaxTree } from "@codemirror/language";
 import { bracketMatching } from "@codemirror/matchbrackets";
 import { searchKeymap } from "@codemirror/search";
 import { EditorState, StateField, Transaction } from "@codemirror/state";
-import { KeyBinding } from "@codemirror/view";
 import {
   drawSelection,
   dropCursor,
   EditorView,
   highlightSpecialChars,
+  KeyBinding,
   keymap,
 } from "@codemirror/view";
 import React, { useEffect, useReducer } from "react";
@@ -28,12 +29,12 @@ import { CommandPalette } from "./components/command_palette";
 import { NavigationBar } from "./components/navigation_bar";
 import { NuggetNavigator } from "./components/nugget_navigator";
 import { StatusBar } from "./components/status_bar";
-import { FileSystem, HttpFileSystem } from "./fs";
+import { FileSystem } from "./fs";
 import { lineWrapper } from "./lineWrapper";
 import { markdown } from "./markdown";
 import customMarkDown from "./parser";
 import { BrowserSystem } from "./plugins/browser_system";
-import { Manifest } from "./plugins/types";
+import { Manifest, slashCommandRegexp } from "./plugins/types";
 import reducer from "./reducer";
 import customMarkdownStyle from "./style";
 import dbSyscalls from "./syscalls/db.localstorage";
@@ -44,19 +45,24 @@ import {
   AppViewState,
   CommandContext,
   initialViewState,
+  NuggetMeta,
 } from "./types";
 import { safeRun } from "./util";
 
 class NuggetState {
   editorState: EditorState;
   scrollTop: number;
+  meta: NuggetMeta;
 
-  constructor(editorState: EditorState, scrollTop: number) {
+  constructor(editorState: EditorState, scrollTop: number, meta: NuggetMeta) {
     this.editorState = editorState;
     this.scrollTop = scrollTop;
+    this.meta = meta;
   }
 }
 
+const watchInterval = 5000;
+
 export class Editor {
   editorView?: EditorView;
   viewState: AppViewState;
@@ -78,6 +84,7 @@ export class Editor {
       parent: document.getElementById("editor")!,
     });
     this.addListeners();
+    this.watch();
   }
 
   async init() {
@@ -93,15 +100,15 @@ export class Editor {
 
     await system.bootServiceWorker();
     console.log("Now loading core plugin");
-    let mainCartridge = await system.load("core", coreManifest as Manifest);
+    let mainPlugin = await system.load("core", coreManifest as Manifest);
     this.editorCommands = new Map<string, AppCommand>();
-    const cmds = mainCartridge.manifest!.commands;
+    const cmds = mainPlugin.manifest!.commands;
     for (let name in cmds) {
       let cmd = cmds[name];
       this.editorCommands.set(name, {
         command: cmd,
         run: async (arg: CommandContext): Promise<any> => {
-          return await mainCartridge.invoke(cmd.invoke, [arg]);
+          return await mainPlugin.invoke(cmd.invoke, [arg]);
         },
       });
     }
@@ -111,7 +118,7 @@ export class Editor {
     });
   }
 
-  get currentNugget(): string | undefined {
+  get currentNugget(): NuggetMeta | undefined {
     return this.viewState.currentNugget;
   }
 
@@ -146,7 +153,10 @@ export class Editor {
         bracketMatching(),
         closeBrackets(),
         autocompletion({
-          override: [this.nuggetCompleter.bind(this)],
+          override: [
+            this.nuggetCompleter.bind(this),
+            this.commandCompleter.bind(this),
+          ],
         }),
         EditorView.lineWrapping,
         lineWrapper([
@@ -176,15 +186,10 @@ export class Editor {
             run: commands.insertMarker("_"),
           },
           {
-            key: "Ctrl-s",
-            mac: "Cmd-s",
-            run: (target: EditorView): boolean => {
-              Promise.resolve()
-                .then(async () => {
-                  console.log("Saving");
-                  await this.save();
-                })
-                .catch((e) => console.error(e));
+            key: "Ctrl-e",
+            mac: "Cmd-e",
+            run: (): boolean => {
+              window.open(location.href, "_blank")!.focus();
               return true;
             },
           },
@@ -200,7 +205,9 @@ export class Editor {
             key: "Ctrl-.",
             mac: "Cmd-.",
             run: (target): boolean => {
-              this.viewDispatch({ type: "show-palette" });
+              this.viewDispatch({
+                type: "show-palette",
+              });
               return true;
             },
           },
@@ -220,12 +227,10 @@ export class Editor {
   }
 
   nuggetCompleter(ctx: CompletionContext): CompletionResult | null {
-    let prefix = ctx.matchBefore(/\[\[\w*/);
+    let prefix = ctx.matchBefore(/\[\[[\w\s]*/);
     if (!prefix) {
       return null;
     }
-    // TODO: Lots of optimization potential here
-    // TODO: put something in the cm-completionIcon-nugget style
     return {
       from: prefix.from + 2,
       options: this.viewState.allNuggets.map((nuggetMeta) => ({
@@ -235,6 +240,39 @@ export class Editor {
     };
   }
 
+  commandCompleter(ctx: CompletionContext): CompletionResult | null {
+    let prefix = ctx.matchBefore(slashCommandRegexp);
+    if (!prefix) {
+      return null;
+    }
+    let options: Completion[] = [];
+    for (let [name, def] of this.viewState.commands) {
+      if (!def.command.slashCommand) {
+        continue;
+      }
+      options.push({
+        label: def.command.slashCommand,
+        detail: name,
+        apply: () => {
+          this.editorView?.dispatch({
+            changes: {
+              from: prefix!.from,
+              to: ctx.pos,
+              insert: "",
+            },
+          });
+          safeRun(async () => {
+            def.run(buildContext(def, this));
+          });
+        },
+      });
+    }
+    return {
+      from: prefix.from + 1,
+      options: options,
+    };
+  }
+
   update(value: null, transaction: Transaction): null {
     if (transaction.docChanged) {
       this.viewDispatch({
@@ -276,22 +314,26 @@ export class Editor {
       return;
     }
     // Write to file system
-    const created = await this.fs.writeNugget(
-      this.currentNugget,
+    let nuggetMeta = await this.fs.writeNugget(
+      this.currentNugget.name,
       editorState.sliceDoc()
     );
 
     // Update in open nugget cache
     this.openNuggets.set(
-      this.currentNugget,
-      new NuggetState(editorState, this.editorView!.scrollDOM.scrollTop)
+      this.currentNugget.name,
+      new NuggetState(
+        editorState,
+        this.editorView!.scrollDOM.scrollTop,
+        nuggetMeta
+      )
     );
 
     // Dispatch update to view
-    this.viewDispatch({ type: "nugget-saved" });
+    this.viewDispatch({ type: "nugget-saved", meta: nuggetMeta });
 
     // If a new nugget was created, let's refresh the nugget list
-    if (created) {
+    if (nuggetMeta.created) {
       await this.loadNuggetList();
     }
   }
@@ -304,6 +346,34 @@ export class Editor {
     });
   }
 
+  watch() {
+    setInterval(() => {
+      safeRun(async () => {
+        if (!this.currentNugget) {
+          return;
+        }
+        const currentNuggetName = this.currentNugget.name;
+        let newNuggetMeta = await this.fs.getMeta(currentNuggetName);
+        if (
+          this.currentNugget.lastModified.getTime() <
+          newNuggetMeta.lastModified.getTime()
+        ) {
+          console.log("File changed on disk, reloading");
+          let nuggetData = await this.fs.readNugget(currentNuggetName);
+          this.openNuggets.set(
+            newNuggetMeta.name,
+            new NuggetState(
+              this.createEditorState(nuggetData.text),
+              0,
+              newNuggetMeta
+            )
+          );
+          await this.loadNugget(currentNuggetName);
+        }
+      });
+    }, watchInterval);
+  }
+
   focus() {
     this.editorView!.focus();
   }
@@ -323,25 +393,33 @@ export class Editor {
           return;
         }
 
-        let nuggetState = this.openNuggets.get(nuggetName);
-        if (!nuggetState) {
-          let text = await this.fs.readNugget(nuggetName);
-          nuggetState = new NuggetState(this.createEditorState(text), 0);
-        }
-        this.openNuggets.set(nuggetName, nuggetState!);
-        this.editorView!.setState(nuggetState!.editorState);
-        this.editorView.scrollDOM.scrollTop = nuggetState!.scrollTop;
-
-        this.viewDispatch({
-          type: "nugget-loaded",
-          name: nuggetName,
-        });
+        await this.loadNugget(nuggetName);
       })
       .catch((e) => {
         console.error(e);
       });
   }
 
+  async loadNugget(nuggetName: string) {
+    let nuggetState = this.openNuggets.get(nuggetName);
+    if (!nuggetState) {
+      let nuggetData = await this.fs.readNugget(nuggetName);
+      nuggetState = new NuggetState(
+        this.createEditorState(nuggetData.text),
+        0,
+        nuggetData.meta
+      );
+      this.openNuggets.set(nuggetName, nuggetState!);
+    }
+    this.editorView!.setState(nuggetState!.editorState);
+    this.editorView!.scrollDOM.scrollTop = nuggetState!.scrollTop;
+
+    this.viewDispatch({
+      type: "nugget-loaded",
+      meta: nuggetState.meta,
+    });
+  }
+
   addListeners() {
     this.$hashChange = this.hashChange.bind(this);
     window.addEventListener("hashchange", this.$hashChange);
@@ -380,7 +458,7 @@ export class Editor {
 
     useEffect(() => {
       if (viewState.currentNugget) {
-        document.title = viewState.currentNugget;
+        document.title = viewState.currentNugget.name;
       }
     }, [viewState.currentNugget]);
 
@@ -437,19 +515,3 @@ export class Editor {
     ReactDOM.render(<ViewComponent />, container);
   }
 }
-
-let ed = new Editor(
-  new HttpFileSystem("http://localhost:2222/fs"),
-  document.getElementById("root")!
-);
-
-ed.loadPlugins().catch((e) => {
-  console.error(e);
-});
-
-safeRun(async () => {
-  await ed.init();
-});
-
-// @ts-ignore
-window.editor = ed;
diff --git a/webapp/src/fs.ts b/webapp/src/fs.ts
index 56f31767..e8aa20e0 100644
--- a/webapp/src/fs.ts
+++ b/webapp/src/fs.ts
@@ -2,9 +2,9 @@ import { NuggetMeta } from "./types";
 
 export interface FileSystem {
   listNuggets(): Promise<NuggetMeta[]>;
-  readNugget(name: string): Promise<string>;
-  // @return whether a new nugget was created for this
-  writeNugget(name: string, text: string): Promise<boolean>;
+  readNugget(name: string): Promise<{ text: string; meta: NuggetMeta }>;
+  writeNugget(name: string, text: string): Promise<NuggetMeta>;
+  getMeta(name: string): Promise<NuggetMeta>;
 }
 
 export class HttpFileSystem implements FileSystem {
@@ -17,20 +17,43 @@ export class HttpFileSystem implements FileSystem {
       method: "GET",
     });
 
-    return (await req.json()).map((name: string) => ({ name }));
+    return (await req.json()).map((meta: any) => ({
+      name: meta.name,
+      lastModified: new Date(meta.lastModified),
+    }));
   }
-  async readNugget(name: string): Promise<string> {
+  async readNugget(name: string): Promise<{ text: string; meta: NuggetMeta }> {
     let req = await fetch(`${this.url}/${name}`, {
       method: "GET",
     });
-    return await req.text();
+    return {
+      text: await req.text(),
+      meta: {
+        lastModified: new Date(+req.headers.get("Last-Modified")!),
+        name: name,
+      },
+    };
   }
-  async writeNugget(name: string, text: string): Promise<boolean> {
+  async writeNugget(name: string, text: string): Promise<NuggetMeta> {
     let req = await fetch(`${this.url}/${name}`, {
       method: "PUT",
       body: text,
     });
     // 201 (Created) means a new nugget was created
-    return req.status === 201;
+    return {
+      lastModified: new Date(+req.headers.get("Last-Modified")!),
+      name: name,
+      created: req.status === 201,
+    };
+  }
+
+  async getMeta(name: string): Promise<NuggetMeta> {
+    let req = await fetch(`${this.url}/${name}`, {
+      method: "OPTIONS",
+    });
+    return {
+      name: name,
+      lastModified: new Date(+req.headers.get("Last-Modified")!),
+    };
   }
 }
diff --git a/webapp/src/index.html b/webapp/src/index.html
index 28f97b51..76cee25c 100644
--- a/webapp/src/index.html
+++ b/webapp/src/index.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <title>Nugget</title>
     <link rel="stylesheet" href="styles.css" />
-    <script type="module" src="editor.tsx"></script>
+    <script type="module" src="boot.ts"></script>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width" />
   </head>
diff --git a/webapp/src/plugin_sw.ts b/webapp/src/plugin_sw.ts
index 961e3474..6357ef23 100644
--- a/webapp/src/plugin_sw.ts
+++ b/webapp/src/plugin_sw.ts
@@ -66,13 +66,13 @@ self.addEventListener("fetch", (event: any) => {
           return await handlePut(req, path);
         }
 
-        let [cartridgeName, resourceType, functionName] = path.split("/");
+        let [pluginName, resourceType, functionName] = path.split("/");
 
-        let manifest = await getManifest(cartridgeName);
+        let manifest = await getManifest(pluginName);
 
         if (!manifest) {
-          // console.log("Ain't got", cartridgeName);
-          return new Response(`Cartridge not loaded: ${cartridgeName}`, {
+          // console.log("Ain't got", pluginName);
+          return new Response(`Plugin not loaded: ${pluginName}`, {
             status: 404,
           });
         }
diff --git a/webapp/src/plugins/browser_system.ts b/webapp/src/plugins/browser_system.ts
index a144029a..295ac50f 100644
--- a/webapp/src/plugins/browser_system.ts
+++ b/webapp/src/plugins/browser_system.ts
@@ -1,8 +1,8 @@
-import { CartridgeLoader, System } from "./runtime";
+import { PluginLoader, System } from "./runtime";
 import { Manifest } from "./types";
 import { sleep } from "../util";
 
-export class BrowserLoader implements CartridgeLoader {
+export class BrowserLoader implements PluginLoader {
   readonly pathPrefix: string;
 
   constructor(pathPrefix: string) {
diff --git a/webapp/src/plugins/runtime.ts b/webapp/src/plugins/runtime.ts
index 461e6bdb..5ff904e9 100644
--- a/webapp/src/plugins/runtime.ts
+++ b/webapp/src/plugins/runtime.ts
@@ -1,10 +1,10 @@
 import { Manifest } from "./types";
 
 export class SyscallContext {
-  public cartridge: Cartridge;
+  public plugin: Plugin;
 
-  constructor(cartridge: Cartridge) {
-    this.cartridge = cartridge;
+  constructor(Plugin: Plugin) {
+    this.plugin = Plugin;
   }
 }
 
@@ -19,9 +19,9 @@ export class FunctionWorker {
   private initCallback: any;
   private invokeResolve?: (result?: any) => void;
   private invokeReject?: (reason?: any) => void;
-  private cartridge: Cartridge;
+  private plugin: Plugin;
 
-  constructor(cartridge: Cartridge, pathPrefix: string, name: string) {
+  constructor(plugin: Plugin, pathPrefix: string, name: string) {
     // this.worker = new Worker(new URL("function_worker.ts", import.meta.url), {
     //   type: "classic",
     // });
@@ -40,7 +40,7 @@ export class FunctionWorker {
     this.inited = new Promise((resolve) => {
       this.initCallback = resolve;
     });
-    this.cartridge = cartridge;
+    this.plugin = plugin;
   }
 
   async onmessage(evt: MessageEvent) {
@@ -51,8 +51,8 @@ export class FunctionWorker {
         this.initCallback();
         break;
       case "syscall":
-        const ctx = new SyscallContext(this.cartridge);
-        let result = await this.cartridge.system.syscall(
+        const ctx = new SyscallContext(this.plugin);
+        let result = await this.plugin.system.syscall(
           ctx,
           data.name,
           data.args
@@ -92,11 +92,11 @@ export class FunctionWorker {
   }
 }
 
-export interface CartridgeLoader {
+export interface PluginLoader {
   load(name: string, manifest: Manifest): Promise<void>;
 }
 
-export class Cartridge {
+export class Plugin {
   pathPrefix: string;
   system: System;
   private runningFunctions: Map<string, FunctionWorker>;
@@ -112,7 +112,7 @@ export class Cartridge {
 
   async load(manifest: Manifest) {
     this.manifest = manifest;
-    await this.system.cartridgeLoader.load(this.name, manifest);
+    await this.system.pluginLoader.load(this.name, manifest);
     await this.dispatchEvent("load");
   }
 
@@ -149,15 +149,15 @@ export class Cartridge {
 }
 
 export class System {
-  protected cartridges: Map<string, Cartridge>;
+  protected plugins: Map<string, Plugin>;
   protected pathPrefix: string;
   registeredSyscalls: SysCallMapping;
-  cartridgeLoader: CartridgeLoader;
+  pluginLoader: PluginLoader;
 
-  constructor(cartridgeLoader: CartridgeLoader, pathPrefix: string) {
-    this.cartridgeLoader = cartridgeLoader;
+  constructor(PluginLoader: PluginLoader, pathPrefix: string) {
+    this.pluginLoader = PluginLoader;
     this.pathPrefix = pathPrefix;
-    this.cartridges = new Map<string, Cartridge>();
+    this.plugins = new Map<string, Plugin>();
     this.registeredSyscalls = {};
   }
 
@@ -184,16 +184,16 @@ export class System {
     return Promise.resolve(callback(ctx, ...args));
   }
 
-  async load(name: string, manifest: Manifest): Promise<Cartridge> {
-    const cartridge = new Cartridge(this, this.pathPrefix, name);
-    await cartridge.load(manifest);
-    this.cartridges.set(name, cartridge);
-    return cartridge;
+  async load(name: string, manifest: Manifest): Promise<Plugin> {
+    const plugin = new Plugin(this, this.pathPrefix, name);
+    await plugin.load(manifest);
+    this.plugins.set(name, plugin);
+    return plugin;
   }
 
   async stop(): Promise<void[]> {
     return Promise.all(
-      Array.from(this.cartridges.values()).map((cartridge) => cartridge.stop())
+      Array.from(this.plugins.values()).map((plugin) => plugin.stop())
     );
   }
 }
diff --git a/webapp/src/plugins/types.ts b/webapp/src/plugins/types.ts
index cfa5f41d..905e4875 100644
--- a/webapp/src/plugins/types.ts
+++ b/webapp/src/plugins/types.ts
@@ -8,6 +8,8 @@ export interface Manifest {
   };
 }
 
+export const slashCommandRegexp = /\/[\w\-]*/;
+
 export interface CommandDef {
   // Function name to invoke
   invoke: string;
@@ -15,6 +17,11 @@ export interface CommandDef {
   // Bind to keyboard shortcut
   key?: string;
   mac?: string;
+
+  // If to show in slash invoked menu and if so, with what label
+  // should match slashCommandRegexp
+  slashCommand?: string;
+
   // Required context to be passed in as function arguments
   requiredContext?: {
     text?: boolean;
diff --git a/webapp/src/reducer.ts b/webapp/src/reducer.ts
index f562f4d9..02d44447 100644
--- a/webapp/src/reducer.ts
+++ b/webapp/src/reducer.ts
@@ -9,12 +9,13 @@ export default function reducer(
     case "nugget-loaded":
       return {
         ...state,
-        currentNugget: action.name,
+        currentNugget: action.meta,
         isSaved: true,
       };
     case "nugget-saved":
       return {
         ...state,
+        currentNugget: action.meta,
         isSaved: true,
       };
     case "nugget-updated":
diff --git a/webapp/src/styles.css b/webapp/src/styles.css
index d7cc1254..02c9a678 100644
--- a/webapp/src/styles.css
+++ b/webapp/src/styles.css
@@ -177,8 +177,8 @@ body {
   border: #333 1px solid;
   z-index: 1000;
   position: absolute;
-  left: 8px;
-  top: 8px;
+  left: 25px;
+  top: 10px;
   right: 10px;
 }
 
diff --git a/webapp/src/syscalls/event.native.ts b/webapp/src/syscalls/event.native.ts
index 20a7b0c0..bc0ad18c 100644
--- a/webapp/src/syscalls/event.native.ts
+++ b/webapp/src/syscalls/event.native.ts
@@ -2,6 +2,6 @@ import { SyscallContext } from "../plugins/runtime";
 
 export default {
   "event.publish": async (ctx: SyscallContext, name: string, data: any) => {
-    await ctx.cartridge.dispatchEvent(name, data);
+    await ctx.plugin.dispatchEvent(name, data);
   },
 };
diff --git a/webapp/src/syscalls/ui.browser.ts b/webapp/src/syscalls/ui.browser.ts
index caaf2e60..5448ee8d 100644
--- a/webapp/src/syscalls/ui.browser.ts
+++ b/webapp/src/syscalls/ui.browser.ts
@@ -8,7 +8,7 @@ window.addEventListener("message", async (event) => {
   let data = messageEvent.data;
   if (data.type === "iframe_event") {
     // @ts-ignore
-    window.mainCartridge.dispatchEvent(data.data.event, data.data.data);
+    window.mainPlugin.dispatchEvent(data.data.event, data.data.data);
   }
 });
 
diff --git a/webapp/src/types.ts b/webapp/src/types.ts
index 3806299f..38c4b364 100644
--- a/webapp/src/types.ts
+++ b/webapp/src/types.ts
@@ -2,6 +2,8 @@ import { CommandDef } from "./plugins/types";
 
 export type NuggetMeta = {
   name: string;
+  lastModified: Date;
+  created?: boolean;
 };
 
 export type CommandContext = {
@@ -14,7 +16,7 @@ export type AppCommand = {
 };
 
 export type AppViewState = {
-  currentNugget?: string;
+  currentNugget?: NuggetMeta;
   isSaved: boolean;
   showNuggetNavigator: boolean;
   showCommandPalette: boolean;
@@ -31,8 +33,8 @@ export const initialViewState: AppViewState = {
 };
 
 export type Action =
-  | { type: "nugget-loaded"; name: string }
-  | { type: "nugget-saved" }
+  | { type: "nugget-loaded"; meta: NuggetMeta }
+  | { type: "nugget-saved"; meta: NuggetMeta }
   | { type: "nugget-updated" }
   | { type: "nuggets-listed"; nuggets: NuggetMeta[] }
   | { type: "start-navigate" }
diff --git a/webapp/src/util.ts b/webapp/src/util.ts
index 16b5ca40..de823705 100644
--- a/webapp/src/util.ts
+++ b/webapp/src/util.ts
@@ -21,3 +21,7 @@ export function sleep(ms: number): Promise<void> {
     }, ms);
   });
 }
+
+export function isMacLike() {
+  return /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
+}
diff --git a/webapp/src/watcher.ts b/webapp/src/watcher.ts
new file mode 100644
index 00000000..35b8f24f
--- /dev/null
+++ b/webapp/src/watcher.ts
@@ -0,0 +1,2 @@
+import { Editor } from "./editor";
+import { safeRun } from "./util";