diff --git a/src/event/EventBus.ts b/src/event/EventBus.ts
index 5620ab9..76d6e49 100644
--- a/src/event/EventBus.ts
+++ b/src/event/EventBus.ts
@@ -1,4 +1,4 @@
-import {Singleton, StaticClass} from '../di'
+import {Instantiable, Singleton, StaticClass} from '../di'
 import {Bus, Dispatchable, EventSubscriber, EventSubscriberEntry, EventSubscription} from './types'
 import {Awaitable, Collection, uuid4} from '../util'
 
@@ -13,7 +13,7 @@ export class EventBus implements Bus {
      */
     protected subscribers: Collection<EventSubscriberEntry<any>> = new Collection<EventSubscriberEntry<any>>()
 
-    subscribe<T extends Dispatchable>(event: StaticClass<T, T>, subscriber: EventSubscriber<T>): Awaitable<EventSubscription> {
+    subscribe<T extends Dispatchable>(event: StaticClass<T, Instantiable<T>>, subscriber: EventSubscriber<T>): Awaitable<EventSubscription> {
         const entry: EventSubscriberEntry<T> = {
             id: uuid4(),
             event,
diff --git a/src/event/types.ts b/src/event/types.ts
index 57f5d0e..d62d7b0 100644
--- a/src/event/types.ts
+++ b/src/event/types.ts
@@ -1,5 +1,5 @@
 import {Awaitable, Rehydratable} from '../util'
-import {StaticClass} from '../di'
+import {Instantiable, StaticClass} from '../di'
 
 /**
  * A closure that should be executed with the given event is fired.
@@ -14,7 +14,7 @@ export interface EventSubscriberEntry<T extends Dispatchable> {
     id: string
 
     /** The event class subscribed to. */
-    event: StaticClass<T, T>
+    event: StaticClass<T, Instantiable<T>>
 
     /** The closure to execute when the event is fired. */
     subscriber: EventSubscriber<T>
@@ -41,7 +41,7 @@ export interface Dispatchable extends Rehydratable {
  * An event-driven bus that manages subscribers and dispatched items.
  */
 export interface Bus {
-    subscribe<T extends Dispatchable>(eventClass: StaticClass<T, T>, subscriber: EventSubscriber<T>): Awaitable<EventSubscription>
+    subscribe<T extends Dispatchable>(eventClass: StaticClass<T, Instantiable<T>>, subscriber: EventSubscriber<T>): Awaitable<EventSubscription>
     unsubscribe<T extends Dispatchable>(subscriber: EventSubscriber<T>): Awaitable<void>
     dispatch(event: Dispatchable): Awaitable<void>
 }
diff --git a/src/http/response/FileResponseFactory.ts b/src/http/response/FileResponseFactory.ts
index 58600ae..f4b459c 100644
--- a/src/http/response/FileResponseFactory.ts
+++ b/src/http/response/FileResponseFactory.ts
@@ -1,6 +1,7 @@
 import {ResponseFactory} from './ResponseFactory'
 import {Request} from '../lifecycle/Request'
 import {ErrorWithContext, UniversalPath} from '../../util'
+import {Logging} from '../../service/Logging'
 
 /**
  * Helper function that creates a FileResponseFactory for the given path.
@@ -28,6 +29,7 @@ export class FileResponseFactory extends ResponseFactory {
             })
         }
 
+        request.make<Logging>(Logging).debug(`Setting Content-Type of ${this.path} to ${this.path.contentType}...`)
         request.response.setHeader('Content-Type', this.path.contentType || 'application/octet-stream')
         request.response.setHeader('Content-Length', String(await this.path.sizeInBytes()))
         request.response.body = await this.path.readStream()
diff --git a/src/http/servers/static.ts b/src/http/servers/static.ts
index 53c3ae0..cdca4cb 100644
--- a/src/http/servers/static.ts
+++ b/src/http/servers/static.ts
@@ -156,6 +156,15 @@ export function staticServer(options: StaticServerOptions = {}): RouteHandler {
 
         // If the resolved path is a directory, send the directory listing response
         if ( await filePath.isDirectory() ) {
+            if ( !options.directoryListing ) {
+                throw new StaticServerHTTPError(HTTPStatus.NOT_FOUND, 'File not found', {
+                    basePath: basePath.toString(),
+                    filePath: filePath.toString(),
+                    route: route.path,
+                    reason: 'Path is a directory, and directory listing is disabled',
+                })
+            }
+
             if ( !route.path.endsWith('/') ) {
                 return redirect(`${route.path}/`)
             }
diff --git a/src/orm/model/Model.ts b/src/orm/model/Model.ts
index 7e044dd..095fe27 100644
--- a/src/orm/model/Model.ts
+++ b/src/orm/model/Model.ts
@@ -1,5 +1,5 @@
 import {ModelKey, QueryRow, QuerySource} from '../types'
-import {Container, Inject, StaticClass} from '../../di'
+import {Container, Inject, Instantiable, StaticClass} from '../../di'
 import {DatabaseService} from '../DatabaseService'
 import {ModelBuilder} from './ModelBuilder'
 import {getFieldsMeta, ModelField} from './Field'
@@ -804,7 +804,7 @@ export abstract class Model<T extends Model<T>> extends AppClass implements Bus
         (this as any)[thisFieldName] = object[objectFieldName]
     }
 
-    subscribe<EventT extends Dispatchable>(event: StaticClass<EventT, EventT>, subscriber: EventSubscriber<EventT>): Awaitable<EventSubscription> {
+    subscribe<EventT extends Dispatchable>(event: StaticClass<EventT, Instantiable<EventT>>, subscriber: EventSubscriber<EventT>): Awaitable<EventSubscription> {
         const entry: EventSubscriberEntry<EventT> = {
             id: uuid4(),
             event,
diff --git a/src/resources/assets/.gitkeep b/src/resources/assets/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/service/HTTPServer.ts b/src/service/HTTPServer.ts
index e72f049..0faf660 100644
--- a/src/service/HTTPServer.ts
+++ b/src/service/HTTPServer.ts
@@ -1,5 +1,5 @@
 import {Inject, Singleton} from '../di'
-import {HTTPStatus, withTimeout} from '../util'
+import {HTTPStatus, universalPath, UniversalPath, withTimeout} from '../util'
 import {Unit} from '../lifecycle/Unit'
 import {createServer, IncomingMessage, RequestListener, Server, ServerResponse} from 'http'
 import {Logging} from './Logging'
@@ -17,6 +17,11 @@ import {ExecuteResolvedRoutePostflightHTTPModule} from '../http/kernel/module/Ex
 import {ParseIncomingBodyHTTPModule} from '../http/kernel/module/ParseIncomingBodyHTTPModule'
 import {Config} from './Config'
 import {InjectRequestEventBusHTTPModule} from '../http/kernel/module/InjectRequestEventBusHTTPModule'
+import {Routing} from './Routing'
+import {Route} from '../http/routing/Route'
+import {staticServer} from '../http/servers/static'
+import {EventBus} from '../event/EventBus'
+import {PackageDiscovered} from '../support/PackageDiscovered'
 
 /**
  * Application unit that starts the HTTP/S server, creates Request and Response objects
@@ -33,9 +38,39 @@ export class HTTPServer extends Unit {
     @Inject()
     protected readonly kernel!: HTTPKernel
 
+    @Inject()
+    protected readonly routing!: Routing
+
+    @Inject()
+    protected readonly bus!: EventBus
+
     /** The underlying native Node.js server. */
     protected server?: Server
 
+    /**
+     * Register an asset directory for the given package.
+     * This creates a static server route for the package with the
+     * configured vendor prefix.
+     * @param packageName
+     * @param basePath
+     */
+    public async registerVendorAssets(packageName: string, basePath: UniversalPath): Promise<void> {
+        if ( this.config.get('server.builtIns.vendor.enabled', true) ) {
+            this.logging.debug(`Registering vendor assets route for package ${packageName} on ${basePath}...`)
+            await this.routing.registerRoutes(() => {
+                const prefix = this.config.get('server.builtIns.vendor.prefix', '/vendor')
+                Route.group(prefix, () => {
+                    Route.group(packageName, () => {
+                        Route.get('/**', staticServer({
+                            basePath,
+                            directoryListing: false,
+                        }))
+                    })
+                })
+            })
+        }
+    }
+
     public async up(): Promise<void> {
         const port = this.config.get('server.port', 8000)
 
@@ -51,6 +86,8 @@ export class HTTPServer extends Unit {
         ParseIncomingBodyHTTPModule.register(this.kernel)
         InjectRequestEventBusHTTPModule.register(this.kernel)
 
+        await this.registerBuiltIns()
+
         await new Promise<void>(res => {
             this.server = createServer(this.handler)
 
@@ -111,4 +148,34 @@ export class HTTPServer extends Unit {
             await extolloReq.response.send()
         }
     }
+
+    /** Register built-in servers and routes. */
+    protected async registerBuiltIns(): Promise<void> {
+        const extolloAssets = universalPath(__dirname, '..', 'resources', 'assets')
+        await this.registerVendorAssets('@extollo/lib', extolloAssets)
+
+        this.bus.subscribe(PackageDiscovered, async (event: PackageDiscovered) => {
+            if ( event.packageConfig?.extollo?.assets?.discover && event.packageConfig.name ) {
+                this.logging.debug(`Registering vendor assets for discovered package: ${event.packageConfig.name}`)
+                const basePath = event.packageConfig?.extollo?.assets?.basePath
+                if ( basePath && Array.isArray(basePath) ) {
+                    const assetPath = event.packageJson.concat('..', ...basePath)
+                    await this.registerVendorAssets(event.packageConfig.name, assetPath)
+                }
+            }
+        })
+
+        if ( this.config.get('server.builtIns.assets.enabled', true) ) {
+            const prefix = this.config.get('server.builtIns.assets.prefix', '/assets')
+            this.logging.debug(`Registering built-in assets server with prefix: ${prefix}`)
+            await this.routing.registerRoutes(() => {
+                Route.group(prefix, () => {
+                    Route.get('/**', staticServer({
+                        directoryListing: false,
+                        basePath: ['resources', 'assets'],
+                    }))
+                })
+            })
+        }
+    }
 }
diff --git a/src/service/Routing.ts b/src/service/Routing.ts
index bd7e8cf..718a252 100644
--- a/src/service/Routing.ts
+++ b/src/service/Routing.ts
@@ -1,6 +1,6 @@
-import {Singleton, Inject} from '../di'
-import {UniversalPath, Collection, Pipe, universalPath} from '../util'
-import {Unit} from '../lifecycle/Unit'
+import {Inject, Singleton} from '../di'
+import {Awaitable, Collection, Pipe, universalPath, UniversalPath} from '../util'
+import {Unit, UnitStatus} from '../lifecycle/Unit'
 import {Logging} from './Logging'
 import {Route} from '../http/routing/Route'
 import {HTTPMethod} from '../http/lifecycle/Request'
@@ -8,6 +8,8 @@ import {ViewEngineFactory} from '../views/ViewEngineFactory'
 import {ViewEngine} from '../views/ViewEngine'
 import {lib} from '../lib'
 import {Config} from './Config'
+import {EventBus} from '../event/EventBus'
+import {PackageDiscovered} from '../support/PackageDiscovered'
 
 /**
  * Application unit that loads the various route files from `app/http/routes` and pre-compiles the route handlers.
@@ -20,6 +22,9 @@ export class Routing extends Unit {
     @Inject()
     protected readonly config!: Config
 
+    @Inject()
+    protected readonly bus!: EventBus
+
     protected compiledRoutes: Collection<Route> = new Collection<Route>()
 
     public async up(): Promise<void> {
@@ -45,6 +50,44 @@ export class Routing extends Unit {
         this.compiledRoutes.each(route => {
             this.logging.verbose(`${route}`)
         })
+
+        this.bus.subscribe(PackageDiscovered, async (event: PackageDiscovered) => {
+            const loadFrom = event.packageConfig?.extollo?.routes?.loadFrom
+            if ( Array.isArray(loadFrom) ) {
+                for ( const path of loadFrom ) {
+                    const loadFile = event.packageJson.concat('..', path)
+                    this.logging.debug(`Loading routes for package ${event.packageConfig.name} from ${loadFile}...`)
+                    await import(loadFile.toLocal)
+                }
+
+                await this.recompile()
+            }
+        })
+    }
+
+    /**
+     * Execute a callback that registers routes and recompiles the routing stack.
+     * @param callback
+     */
+    public async registerRoutes(callback: () => Awaitable<void>): Promise<void> {
+        await callback()
+
+        if ( this.status === UnitStatus.Started ) {
+            await this.recompile()
+        }
+    }
+
+    /**
+     * Recompile registered routes into resolved handler stacks.
+     */
+    public async recompile(): Promise<void> {
+        this.logging.debug('Recompiling routes...')
+        this.compiledRoutes = this.compiledRoutes.concat(new Collection<Route>(await Route.compile()))
+
+        this.logging.debug(`Re-compiled ${this.compiledRoutes.length} route(s).`)
+        this.compiledRoutes.each(route => {
+            this.logging.verbose(`${route}`)
+        })
     }
 
     /**
@@ -90,7 +133,7 @@ export class Routing extends Unit {
     }
 
     public getVendorPath(namespace: string, ...parts: string[]): UniversalPath {
-        return this.getVendorBase().concat(encodeURIComponent(namespace), ...parts)
+        return this.getVendorBase().concat(namespace, ...parts)
     }
 
     public getVendorBase(): UniversalPath {
diff --git a/src/support/types.ts b/src/support/types.ts
index 4293d0d..2384a2a 100644
--- a/src/support/types.ts
+++ b/src/support/types.ts
@@ -11,6 +11,13 @@ export interface ExtolloPackageDiscoveryConfig {
         recursiveDependencies?: {
             discover?: boolean,
         },
+        routes?: {
+            loadFrom?: string[],
+        },
+        assets?: {
+            discover?: boolean,
+            basePath?: string[],
+        },
     },
 }
 
diff --git a/src/util/support/path.ts b/src/util/support/path.ts
index 7c04638..6a4dadb 100644
--- a/src/util/support/path.ts
+++ b/src/util/support/path.ts
@@ -497,14 +497,14 @@ export class UniversalPath {
      * Get the mime-type of this resource.
      */
     get mimeType(): string | false {
-        return mime.lookup(this.resourceLocalPath)
+        return mime.lookup(this.toBase)
     }
 
     /**
      * Get the content-type header of this resource.
      */
     get contentType(): string | false {
-        return mime.contentType(this.resourceLocalPath)
+        return mime.contentType(this.toBase)
     }
 
     /**