Theming

Bucket - Overlay Manager
Bucket is UNOFFICIAL app for Substratum Theme Engine

DBZ Battery Widget
View your battery status with your favorite DBZ character

Simply Solid
Set solid colors as background

Silverfish
A launcher with focus on a simple UI

Battery Live
Set the wallpaper based on the battery level

Blue Minimal
Minimalistic CM12+ theme

Flame Haze Shana Animated Wallpaper
Anime animated wallpaper

HackDash
Hackerspace extension for DashClock

HexColorTime Wallpaper
Set the wallpaper color based on time hex value

Enhancement
White theme for CM13

Flexible Wallpaper
Use images with any aspect ratio as a wallpaper

Search Based Launcher
Minimalistic home-screen

NetInfo Widget
Widget for network connectivity

Footguy
Footguy widget

MaterialOS
Material Design CyanogenMod 12/12.1 theme

G2L
Gesture Launcher

AwesomeWallpaper
Live wallpaper with a happy llama

Night Mode Enabler
Enable NightMode on Android7+

Greyscale
A simple AOSP-like theme for CyanogenMod

Your very own Sun!
Live wallpaper

Limitless grid
Live wallpaper

Blurred Lines
Live wallpaper

Fira Font
Mozilla Fira font for the CyanogenMod Theme Engine

DejaVu Fonts
DejaVu Fonts Theme

Papuh
Display live wallpapers

Weather Skin: White
The skin for Weather Notification

DashClock Birthday Extension
Show upcoming birthdays in your lockscreen

Hacker Live Wallpaper
Cascading numerals

Minecraft Clock
Minecraft clock widget

Month Calendar Widget
Calendar widget