This mod displays a simple HUD element on your screen with each armor piece you are wearing.

Four slots are displayed on screen correlating to each armor piece. The mod has a configuration you can access pressing RSHIFT letting you change the following:

Horizontal/vertical
x/y pos
Size
Durability bar
Spacing
Empty slot (on/off)
Keybind

if (json.has("horizontal")) horizontal = json.get("horizontal").getAsBoolean();
if (json.has("posX")) posX = json.get("posX").getAsInt();
if (json.has("posY")) posY = json.get("posY").getAsInt();
if (json.has("slotSize")) slotSize = json.get("slotSize").getAsInt();
if (json.has("spacing")) spacing = json.get("spacing").getAsInt();
if (json.has("showDurabilityText")) showDurabilityText = json.get("showDurabilityText").getAsBoolean();
if (json.has("showDurabilityBar")) showDurabilityBar = json.get("showDurabilityBar").getAsBoolean();
if (json.has("showEmptySlots")) showEmptySlots = json.get("showEmptySlots").getAsBoolean();
if (json.has("guiKeybindCode")) guiKeybindCode = json.get("guiKeybindCode").getAsInt();

Ekkesse's Armor HUD