diff --git a/completion/available/bash-it.completion.bash b/completion/available/bash-it.completion.bash
new file mode 100644
index 0000000..83ddfbc
--- /dev/null
+++ b/completion/available/bash-it.completion.bash
@@ -0,0 +1,135 @@
+#!/usr/bin/env bash
+
+_bash-it-comp-enable-disable()
+{
+	local enable_disable_args="alias plugin completion"
+	COMPREPLY=( $(compgen -W "${enable_disable_args}" -- ${cur}) )
+}
+
+_bash-it-comp-list-available-not-enabled()
+{
+	subdirectory="$1"
+	
+	local available_things=$(for f in `ls -1 $BASH_IT/$subdirectory/available/*.bash`; 
+		do 
+			if [ ! -e $BASH_IT/$subdirectory/enabled/$(basename $f) ]
+			then
+				basename $f | cut -d'.' -f1
+			fi
+		done)
+
+	COMPREPLY=( $(compgen -W "all ${available_things}" -- ${cur}) )	
+}
+
+_bash-it-comp-list-enabled()
+{
+	subdirectory="$1"
+	
+	local enabled_things=$(for f in `ls -1 $BASH_IT/$subdirectory/enabled/*.bash`; 
+		do 
+			basename $f | cut -d'.' -f1
+		done)
+
+	COMPREPLY=( $(compgen -W "all ${enabled_things}" -- ${cur}) )	
+}
+
+_bash-it-comp-list-available()
+{
+	subdirectory="$1"
+	
+	local enabled_things=$(for f in `ls -1 $BASH_IT/$subdirectory/available/*.bash`; 
+		do 
+			basename $f | cut -d'.' -f1
+		done)
+
+	COMPREPLY=( $(compgen -W "${enabled_things}" -- ${cur}) )	
+}
+
+_bash-it-comp()
+{
+	local cur prev opts prevprev
+	COMPREPLY=()
+	cur="${COMP_WORDS[COMP_CWORD]}"
+	prev="${COMP_WORDS[COMP_CWORD-1]}"
+	
+	opts="help show enable disable"
+		
+	case "${prev}" in
+		show)
+			local show_args="plugins aliases completions"
+			COMPREPLY=( $(compgen -W "${show_args}" -- ${cur}) )
+			return 0
+			;;
+		help)
+			local help_args="plugins aliases"
+			COMPREPLY=( $(compgen -W "${help_args}" -- ${cur}) )
+			return 0
+			;;
+		enable)
+			_bash-it-comp-enable-disable
+			return 0
+			;;
+		disable)
+			_bash-it-comp-enable-disable
+			return 0
+			;;
+		aliases)
+			prevprev="${COMP_WORDS[COMP_CWORD-2]}"
+			
+			case "${prevprev}" in
+				help)
+					_bash-it-comp-list-available aliases
+					return 0
+					;;
+			esac
+			;;			
+		alias)
+			prevprev="${COMP_WORDS[COMP_CWORD-2]}"
+			
+			case "${prevprev}" in
+				enable)
+					_bash-it-comp-list-available-not-enabled aliases
+					return 0
+					;;
+				disable)
+					_bash-it-comp-list-enabled aliases
+					return 0
+					;;
+			esac
+			;;			
+		plugin)
+			prevprev="${COMP_WORDS[COMP_CWORD-2]}"
+			
+			case "${prevprev}" in
+				enable)
+					_bash-it-comp-list-available-not-enabled plugins
+					return 0
+					;;
+				disable)
+					_bash-it-comp-list-enabled plugins
+					return 0
+					;;
+			esac
+			;;			
+		completion)
+			prevprev="${COMP_WORDS[COMP_CWORD-2]}"
+			
+			case "${prevprev}" in
+				enable)
+					_bash-it-comp-list-available-not-enabled completion
+					return 0
+					;;
+				disable)
+					_bash-it-comp-list-enabled completion
+					return 0
+					;;
+			esac
+			;;			
+	esac
+	
+	COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+	
+	return 0
+}
+
+complete -F _bash-it-comp bash-it