diff --git a/maubot/management/frontend/src/api.js b/maubot/management/frontend/src/api.js
index e266383..bad6458 100644
--- a/maubot/management/frontend/src/api.js
+++ b/maubot/management/frontend/src/api.js
@@ -82,6 +82,7 @@ export const deleteInstance = id => defaultDelete("instance", id)
 
 export const getPlugins = () => defaultGet("/plugins")
 export const getPlugin = id => defaultGet(`/plugin/${id}`)
+export const deletePlugin = id => defaultDelete("plugin", id)
 
 export async function uploadPlugin(data, id) {
     let resp
@@ -124,6 +125,6 @@ export default {
     BASE_PATH,
     login, ping,
     getInstances, getInstance, putInstance, deleteInstance,
-    getPlugins, getPlugin, uploadPlugin,
+    getPlugins, getPlugin, uploadPlugin, deletePlugin,
     getClients, getClient, uploadAvatar, getAvatarURL, putClient, deleteClient,
 }
diff --git a/maubot/management/frontend/src/pages/dashboard/Client.js b/maubot/management/frontend/src/pages/dashboard/Client.js
index 24e91f2..5dcb0d2 100644
--- a/maubot/management/frontend/src/pages/dashboard/Client.js
+++ b/maubot/management/frontend/src/pages/dashboard/Client.js
@@ -220,10 +220,6 @@ class Client extends Component {
         </PrefTable>
     )
 
-    get hasInstances() {
-        return this.state.instances.length > 0
-    }
-
     renderPrefButtons = () => <>
         <div className="buttons">
             {!this.isNew && (
@@ -240,6 +236,10 @@ class Client extends Component {
         <div className="error">{this.state.error}</div>
     </>
 
+    get hasInstances() {
+        return this.state.instances.length > 0
+    }
+
     renderInstances = () => !this.isNew && (
         <div className="instances">
             <h3>{this.hasInstances ? "Instances" : "No instances :("}</h3>
diff --git a/maubot/management/frontend/src/pages/dashboard/Plugin.js b/maubot/management/frontend/src/pages/dashboard/Plugin.js
index eae4022..b7c510e 100644
--- a/maubot/management/frontend/src/pages/dashboard/Plugin.js
+++ b/maubot/management/frontend/src/pages/dashboard/Plugin.js
@@ -14,8 +14,12 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 import React, { Component } from "react"
-import { NavLink } from "react-router-dom"
+import { NavLink, Link } from "react-router-dom"
 import { ReactComponent as ChevronRight } from "../../res/chevron-right.svg"
+import { ReactComponent as UploadButton } from "../../res/upload.svg"
+import PrefTable, { PrefInput } from "../../components/PreferenceTable"
+import Spinner from "../../components/Spinner"
+import api from "../../api"
 
 const PluginListEntry = ({ plugin }) => (
     <NavLink className="plugin entry" to={`/plugin/${plugin.id}`}>
@@ -28,8 +32,115 @@ const PluginListEntry = ({ plugin }) => (
 class Plugin extends Component {
     static ListEntry = PluginListEntry
 
+    constructor(props) {
+        super(props)
+        this.state = Object.assign(this.initialState, props.plugin)
+    }
+
+    get initialState() {
+        return {
+            id: "",
+            version: "",
+
+            instances: [],
+
+            uploading: false,
+            deleting: false,
+            error: "",
+        }
+    }
+
+    componentWillReceiveProps(nextProps) {
+        this.setState(Object.assign(this.initialState, nextProps.plugin))
+    }
+
+    async readFile(file) {
+        return new Promise((resolve, reject) => {
+            const reader = new FileReader()
+            reader.readAsArrayBuffer(file)
+            reader.onload = evt => resolve(evt.target.result)
+            reader.onerror = err => reject(err)
+        })
+    }
+    upload = async event => {
+        const file = event.target.files[0]
+        this.setState({
+            uploadingAvatar: true,
+        })
+        const data = await this.readFile(file)
+        const resp = await api.uploadPlugin(data, this.state.id)
+        if (resp.id) {
+            if (this.isNew) {
+                this.props.history.push(`/plugin/${resp.id}`)
+            } else {
+                this.setState({ saving: false, error: "" })
+            }
+            this.props.onChange(resp)
+        } else {
+            this.setState({ saving: false, error: resp.error })
+        }
+    }
+
+    delete = async () => {
+        if (!window.confirm(`Are you sure you want to delete ${this.state.id}?`)) {
+            return
+        }
+        this.setState({ deleting: true })
+        const resp = await api.deletePlugin(this.state.id)
+        if (resp.success) {
+            this.props.history.push("/")
+            this.props.onDelete()
+        } else {
+            this.setState({ deleting: false, error: resp.error })
+        }
+    }
+
+    get isNew() {
+        return !Boolean(this.props.plugin)
+    }
+
+    get hasInstances() {
+        return this.state.instances.length > 0
+    }
+
+    renderInstances = () => !this.isNew && (
+        <div className="instances">
+            <h3>{this.hasInstances ? "Instances" : "No instances :("}</h3>
+            {this.state.instances.map(instance => (
+                <Link className="instance" key={instance.id} to={`/instance/${instance.id}`}>
+                    {instance.id}
+                </Link>
+            ))}
+        </div>
+    )
+
     render() {
-        return <div>{this.props.id}</div>
+        return <div className="plugin">
+            <div className={`upload-box ${this.state.uploading ? "uploading" : ""}`}>
+                <UploadButton className="upload"/>
+                <input className="file-selector" type="file" accept="application/zip"
+                       onChange={this.upload} disabled={this.state.uploading || this.state.deleting}
+                       onDragEnter={evt => evt.target.parentElement.classList.add("drag")}
+                       onDragLeave={evt => evt.target.parentElement.classList.remove("drag")}/>
+                {this.state.uploading && <Spinner/>}
+            </div>
+            {!this.isNew && <>
+                <PrefTable>
+                    <PrefInput rowName="ID" type="text" value={this.state.id} disabled={true}/>
+                    <PrefInput rowName="Version" type="text" value={this.state.version}
+                               disabled={true}/>
+                </PrefTable>
+                <div className="buttons">
+                    <button className={`delete ${this.hasInstances ? "disabled-bg" : ""}`}
+                            onClick={this.delete} disabled={this.loading || this.hasInstances}
+                            title={this.hasInstances ? "Can't delete plugin that is in use" : ""}>
+                        {this.state.deleting ? <Spinner/> : "Delete"}
+                    </button>
+                </div>
+            </>}
+            <div className="error">{this.state.error}</div>
+            {!this.isNew && this.renderInstances()}
+        </div>
     }
 }
 
diff --git a/maubot/management/frontend/src/style/base/elements.sass b/maubot/management/frontend/src/style/base/elements.sass
index 53fd27a..fc0b24f 100644
--- a/maubot/management/frontend/src/style/base/elements.sass
+++ b/maubot/management/frontend/src/style/base/elements.sass
@@ -46,6 +46,10 @@
     &:hover:not(:disabled)
         background-color: $primary-dark
 
+    &:disabled.disabled-bg
+        background-color: $background-dark !important
+        color: $text-color
+
 .button
     +button
 
diff --git a/maubot/management/frontend/src/style/index.sass b/maubot/management/frontend/src/style/index.sass
index c876eac..b496d8b 100644
--- a/maubot/management/frontend/src/style/index.sass
+++ b/maubot/management/frontend/src/style/index.sass
@@ -22,5 +22,8 @@
 @import lib/preferencetable
 @import lib/switch
 
+@import pages/mixins/upload-container
+@import pages/mixins/instancelist
+
 @import pages/login
 @import pages/dashboard
diff --git a/maubot/management/frontend/src/style/lib/preferencetable.sass b/maubot/management/frontend/src/style/lib/preferencetable.sass
index d6ac7ce..66fcad7 100644
--- a/maubot/management/frontend/src/style/lib/preferencetable.sass
+++ b/maubot/management/frontend/src/style/lib/preferencetable.sass
@@ -51,6 +51,7 @@
                 border: none
                 height: 2rem
                 width: 100%
+                color: $text-color
 
                 box-sizing: border-box
 
diff --git a/maubot/management/frontend/src/style/pages/client/avatar.sass b/maubot/management/frontend/src/style/pages/client/avatar.sass
index 9174ba8..062a605 100644
--- a/maubot/management/frontend/src/style/pages/client/avatar.sass
+++ b/maubot/management/frontend/src/style/pages/client/avatar.sass
@@ -15,15 +15,11 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 > div.avatar-container
-    position: relative
+    +upload-box
+
     width: 8rem
     height: 8rem
     border-radius: 50%
-    overflow: hidden
-
-    display: flex
-    align-items: center
-    justify-content: center
 
     > img.avatar
         position: absolute
@@ -33,30 +29,16 @@
         user-select: none
 
     > svg.upload
-        position: absolute
-        display: block
         visibility: hidden
 
         width: 6rem
         height: 6rem
 
-        padding: 1rem
-        user-select: none
-
     > input.file-selector
-        position: absolute
         width: 8rem
         height: 8rem
-        user-select: none
-        opacity: 0
-
-    > div.spinner
-        +thick-spinner
 
     &:not(.uploading)
-        > input.file-selector
-            cursor: pointer
-
         &:hover, &.drag
             > img.avatar
                 opacity: .25
diff --git a/maubot/management/frontend/src/style/pages/client/index.sass b/maubot/management/frontend/src/style/pages/client/index.sass
index 2359059..9444513 100644
--- a/maubot/management/frontend/src/style/pages/client/index.sass
+++ b/maubot/management/frontend/src/style/pages/client/index.sass
@@ -34,4 +34,5 @@
         vertical-align: top
         flex: 1
 
-        @import instances
+        > div.instances
+            +instancelist
diff --git a/maubot/management/frontend/src/style/pages/dashboard.sass b/maubot/management/frontend/src/style/pages/dashboard.sass
index 2d608ce..c5fe3e9 100644
--- a/maubot/management/frontend/src/style/pages/dashboard.sass
+++ b/maubot/management/frontend/src/style/pages/dashboard.sass
@@ -77,7 +77,7 @@
 
         div.error
             +notification($error)
-            margin-top: 1rem
+            margin: 1rem .5rem
 
             &:empty
                 display: none
diff --git a/maubot/management/frontend/src/style/pages/client/instances.sass b/maubot/management/frontend/src/style/pages/mixins/instancelist.sass
similarity index 98%
rename from maubot/management/frontend/src/style/pages/client/instances.sass
rename to maubot/management/frontend/src/style/pages/mixins/instancelist.sass
index 561a4b6..3ee93df 100644
--- a/maubot/management/frontend/src/style/pages/client/instances.sass
+++ b/maubot/management/frontend/src/style/pages/mixins/instancelist.sass
@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-> div.instances
+=instancelist()
     margin: 1rem 0
 
     display: flex
diff --git a/maubot/management/frontend/src/style/pages/mixins/upload-container.sass b/maubot/management/frontend/src/style/pages/mixins/upload-container.sass
new file mode 100644
index 0000000..882c547
--- /dev/null
+++ b/maubot/management/frontend/src/style/pages/mixins/upload-container.sass
@@ -0,0 +1,43 @@
+// maubot - A plugin-based Matrix bot system.
+// Copyright (C) 2018 Tulir Asokan
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+=upload-box()
+    position: relative
+    overflow: hidden
+
+    display: flex
+    align-items: center
+    justify-content: center
+
+    > svg.upload
+        position: absolute
+        display: block
+
+        padding: 1rem
+        user-select: none
+
+
+    > input.file-selector
+        position: absolute
+        user-select: none
+        opacity: 0
+
+    > div.spinner
+        +thick-spinner
+
+    &:not(.uploading)
+        > input.file-selector
+            cursor: pointer
diff --git a/maubot/management/frontend/src/style/pages/plugin.sass b/maubot/management/frontend/src/style/pages/plugin.sass
index e1376b5..b45d867 100644
--- a/maubot/management/frontend/src/style/pages/plugin.sass
+++ b/maubot/management/frontend/src/style/pages/plugin.sass
@@ -15,4 +15,41 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 > .plugin
-    margin: 1rem
+    margin: 2rem 4rem
+
+    > .upload-box
+        +upload-box
+
+        width: calc(100% - 1rem)
+        height: 10rem
+        margin: .5rem
+        border-radius: .5rem
+        box-sizing: border-box
+
+        border: .25rem dotted $primary
+
+        > svg.upload
+            width: 8rem
+            height: 8rem
+
+            opacity: .5
+
+        > input.file-selector
+            width: 100%
+            height: 100%
+
+        &:not(.uploading):hover, &:not(.uploading).drag
+            border: .25rem solid $primary
+            background-color: $primary-light
+
+            > svg.upload
+                opacity: 1
+
+        &.uploading
+            > svg.upload
+                visibility: hidden
+            > input.file-selector
+                cursor: default
+
+    > div.instances
+        +instancelist