1---
 2layout: page
 3title: Mattermost
 4subtitle: "An open source and self-hosted chat application"
 5description: "A list of communities and a NixNet-styled theme for Mattermost"
 6cover: /assets/pages/mattermost.png 
 7---
 8# Communities
 9---
10Sign up by clicking a community link
11- [NixNet](https://matter.nixnet.xyz/signup_user_complete/?id=n5qbfgiuaidmtmppetgj45zxuh) - General chat, randomness, shiptosting, getting support, etc.
12- [Linux Audio](https://matter.nixnet.xyz/signup_user_complete/?id=5ob84if1w3bx3n5phhsbjm3ohh) - Open to anyone with an interest in audio recording, production, etc. on Linux
13- [LenoirLUG](https://matter.nixnet.xyz/signup_user_complete/?id=rrko34wdzjfo5ykc49d1kkikeo) - A chat room for the Lenoir Linux User Group
14
15# Theme
16---
17I've created a theme for Mattermost that uses the same colour scheme as the NixNet website. Copy and paste the code below into the application's theme settings under `Account Settings > Display > Theme > Custom Theme`.
18```json
19{
20  "sidebarBg":"#242424",
21  "sidebarText":"#ffffff",
22  "sidebarUnreadText":"#ffffff",
23  "sidebarTextHoverBg":"#525252",
24  "sidebarTextActiveBorder":"#2b6863",
25  "sidebarTextActiveColor":"#ffffff",
26  "sidebarHeaderBg":"#242424",
27  "sidebarHeaderTextColor":"#ffffff",
28  "onlineIndicator":"#2b6863",
29  "awayIndicator":"#68652b",
30  "dndIndicator":"#682b2b",
31  "mentionBj":"#573c3c",
32  "mentionColor":"#ffffff",
33  "centerChannelBg":"#333333",
34  "centerChannelColor":"#ffffff",
35  "newMessageSeparator":"#2b6863",
36  "linkColor":"#5a76c7",
37  "buttonBg":"#5a76c7",
38  "buttonColor":"#ffffff",
39  "errorTextColor":"#654040",
40  "mentionHighlightBg":"#949494",
41  "mentionHighlightLink":"#66aaa5",
42  "codeTheme":"monokai",
43  "mentionBg":"#573c3c"
44}
45```