diff --git a/ShaguTweaks.toc b/ShaguTweaks.toc
index 7fe7f7d..e43673d 100644
--- a/ShaguTweaks.toc
+++ b/ShaguTweaks.toc
@@ -45,6 +45,7 @@ mods\worldmap-coordinates.lua
 mods\worldmap-window.lua
 mods\blue-shaman.lua
 mods\nameplate-classcolor.lua
+mods\nameplate-castbar.lua
 mods\move-unitframes.lua
 mods\target-castbar.lua
 mods\target-debufftimer.lua
diff --git a/mods/nameplate-castbar.lua b/mods/nameplate-castbar.lua
new file mode 100644
index 0000000..d459646
--- /dev/null
+++ b/mods/nameplate-castbar.lua
@@ -0,0 +1,114 @@
+local _G = ShaguTweaks.GetGlobalEnv()
+local UnitCastingInfo = ShaguTweaks.UnitCastingInfo
+local UnitChannelInfo = ShaguTweaks.UnitChannelInfo
+
+local module = ShaguTweaks:register({
+  title = "Nameplate Castbar",
+  description = "Adds a castbar to the nameplate based on combat log estimations.",
+  expansions = { ["vanilla"] = true, ["tbc"] = false },
+  enabled = true,
+})
+
+module.enable = function(self)
+  if ShaguPlates then return end
+
+  -- create the castbar
+  table.insert(ShaguTweaks.libnameplate.OnInit, function(plate)
+    if plate.castbar then return end
+
+    plate.castbar = CreateFrame("StatusBar", nil, plate)
+    plate.castbar:SetPoint("BOTTOM", plate, "BOTTOM", 8, -11)
+    plate.castbar:SetStatusBarTexture("Interface\\TargetingFrame\\UI-StatusBar")
+    plate.castbar:SetStatusBarColor(1, .8, 0, 1)
+    plate.castbar:SetWidth(104)
+    plate.castbar:SetHeight(10)
+
+    -- create the spell icon
+    plate.castbar.texture = CreateFrame("Frame", nil, plate.castbar)
+    plate.castbar.texture:SetPoint("RIGHT", plate.castbar, "LEFT", 0, 0)
+    plate.castbar.texture:SetHeight(18)
+    plate.castbar.texture:SetWidth(18)
+    plate.castbar.texture.icon = plate.castbar.texture:CreateTexture(nil, "BACKGROUND")
+    plate.castbar.texture.icon:SetPoint("CENTER", 0, 0)
+    plate.castbar.texture.icon:SetWidth(12)
+    plate.castbar.texture.icon:SetHeight(12)
+    plate.castbar.texture:SetBackdrop({
+      edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
+      tile = true, tileSize = 8, edgeSize = 12,
+      insets = { left = 3, right = 3, top = 3, bottom = 3 }
+    })
+
+    -- castbar background
+    plate.castbar.bg = plate.castbar:CreateTexture(nil, "BACKGROUND")
+    plate.castbar.bg:SetTexture("Interface\\TARGETINGFRAME\\UI-StatusBar")
+    plate.castbar.bg:SetVertexColor(.1, .1, 0, .8)
+    plate.castbar.bg:SetAllPoints(true)
+
+    -- castbar spark
+    plate.castbar.spark = plate.castbar:CreateTexture(nil, "OVERLAY")
+    plate.castbar.spark:SetTexture("Interface\\CastingBar\\UI-CastingBar-Spark")
+    plate.castbar.spark:SetWidth(20)
+    plate.castbar.spark:SetHeight(20)
+    plate.castbar.spark:SetBlendMode("ADD")
+
+    -- castbar border
+    plate.castbar.backdrop = CreateFrame("Frame", nil, plate.castbar)
+    plate.castbar.backdrop:SetPoint("TOPLEFT", plate.castbar, "TOPLEFT", -3, 3)
+    plate.castbar.backdrop:SetPoint("BOTTOMRIGHT", plate.castbar, "BOTTOMRIGHT", 3, -3)
+    plate.castbar.backdrop:SetBackdrop({
+      edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
+      tile = true, tileSize = 8, edgeSize = 12,
+      insets = { left = 3, right = 3, top = 3, bottom = 3 }
+    })
+
+    -- castbar spellname
+    plate.castbar.text = plate.castbar:CreateFontString(nil, "HIGH", "GameFontWhite")
+    plate.castbar.text:SetPoint("CENTER", plate.castbar, "CENTER", 0, 0)
+    local font, size, opts = plate.castbar.text:GetFont()
+    plate.castbar.text:SetFont(font, size - 3, "THINOUTLINE")
+
+    -- hide castbar by default
+    plate.castbar:Hide()
+  end)
+
+  -- scan for casts and show castbar
+  table.insert(ShaguTweaks.libnameplate.OnUpdate, function()
+    local name = this.name:GetText()
+
+    local cast, nameSubtext, text, texture, startTime, endTime, isTradeSkill = UnitCastingInfo(name)
+    if not cast then
+      cast, nameSubtext, text, texture, startTime, endTime, isTradeSkill = UnitChannelInfo(name)
+    end
+
+    if cast then
+      local channel = UnitChannelInfo(this.unit)
+      local duration = endTime - startTime
+      local max = duration / 1000
+      local cur = GetTime() - startTime / 1000
+
+      if channel then cur = max + startTime/1000 - GetTime() end
+
+      cur = cur > max and max or cur
+      cur = cur < 0 and 0 or cur
+
+      this.castbar:Show()
+      this.castbar:SetMinMaxValues(0, duration / 1000)
+      this.castbar:SetValue(cur)
+
+      local percent = cur / max
+      local x = this.castbar:GetWidth()*percent
+      this.castbar.spark:SetPoint("CENTER", this.castbar, "LEFT", x, 0)
+
+      this.castbar.text:SetText(cast)
+
+      if texture then
+        this.castbar.texture.icon:SetTexture(texture)
+        this.castbar.texture.icon:Show()
+      else
+        this.castbar.texture.icon:Hide()
+      end
+    else
+      this.castbar:Hide()
+    end
+  end)
+end