diff --git a/Cargo.lock b/Cargo.lock
index 5a01e25..eb25cdf 100644
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 [[package]]
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+checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
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diff --git a/common/Cargo.toml b/common/Cargo.toml
index 7204c21..0197c6c 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -8,3 +8,4 @@ publish = false
 dirs  = "2.0.2"
 rand  = "0.7.2"
 serde = { version = "1.0.103", features = ["derive"] }
+libc  = "0.2.66"
diff --git a/common/src/lib.rs b/common/src/lib.rs
index 305d4a3..82e5a29 100644
--- a/common/src/lib.rs
+++ b/common/src/lib.rs
@@ -1,4 +1,5 @@
 extern crate dirs;
+extern crate libc;
 extern crate rand;
 extern crate serde;
 
@@ -6,3 +7,4 @@ pub mod args;
 pub mod first_run;
 pub mod project_paths;
 pub mod rand_names;
+pub mod tmux;
diff --git a/load/src/tmux/config.rs b/common/src/tmux/config.rs
similarity index 100%
rename from load/src/tmux/config.rs
rename to common/src/tmux/config.rs
diff --git a/load/src/tmux/mod.rs b/common/src/tmux/mod.rs
similarity index 52%
rename from load/src/tmux/mod.rs
rename to common/src/tmux/mod.rs
index 90a672f..17af6d0 100644
--- a/load/src/tmux/mod.rs
+++ b/common/src/tmux/mod.rs
@@ -19,7 +19,7 @@ static TMUX_NAME: &str = "tmux";
 /// The gateway to calling any functions on tmux. Most public functions in this
 /// module will be fed through this `call` function. This safely creates a new
 /// thread to execute the command on. We say "Most" public functions will use
-/// this as `attach` specificaly does not use it.
+/// this as `attach` specifically does not use it.
 ///
 /// args: The command we will send to tmux on the host system for execution.
 ///
@@ -37,7 +37,7 @@ pub fn call(args: &[&str]) -> Result<Output, io::Error> {
     Command::new(TMUX_NAME).args(args).output()
 }
 
-/// Has session is used firgure out if a named session is already running.
+/// Has session is used figure out if a named session is already running.
 ///
 /// `target`: A string represented by the `{named_session}`
 ///
@@ -68,11 +68,113 @@ pub fn has_session(target: &str) -> ExitStatus {
 /// tmux::get_config();
 /// ```
 pub fn get_config() -> String {
-    let output = call(&["start-server", ";", "show-options", "-g", ";", "show-options", "-g", "-w"])
-      .expect("couldn't get tmux options");
+    let output = call(&[
+        "start-server",
+        ";",
+        "show-options",
+        "-g",
+        ";",
+        "show-options",
+        "-g",
+        "-w",
+    ])
+    .expect("couldn't get tmux options");
     String::from_utf8_lossy(&output.stdout).to_string()
 }
 
+pub struct Session {
+    pub name: String,
+    pub id: String,
+    pub client_attached: usize,
+    pub created_at: u64,
+    pub last_attached: u64,
+}
+
+pub struct SessionList {
+    pub sessions: Vec<Session>,
+}
+
+impl SessionList {
+    pub fn new(sessions: Vec<Session>) -> SessionList {
+        SessionList { sessions }
+    }
+
+    pub fn has_session(&self, name: &str) -> bool {
+        self.sessions.iter().any(|s| s.name == name)
+    }
+
+    pub fn is_attached(&self, name: &str) -> bool {
+        self.sessions
+            .iter()
+            .any(|s| s.name == name && s.client_attached > 0)
+    }
+
+    pub fn get_last_attached(&self, name: &str) -> Option<u64> {
+        self.sessions
+            .iter()
+            .find(|s| s.name == name)
+            .map(|s| s.last_attached)
+    }
+}
+
+impl Session {
+    pub fn from_formatted_str(formatted: &str) -> Session {
+        let mut split = formatted.split(' ');
+        let name = split.next().unwrap().to_string();
+        let id = split.next().unwrap().to_string();
+        let client_attached = split
+            .next()
+            .unwrap()
+            .parse::<usize>()
+            .expect("Bad client_attached");
+        let created_at = split
+            .next()
+            .unwrap()
+            .parse::<u64>()
+            .expect("Bad created_at");
+        let last_attached = split
+            .next()
+            .unwrap()
+            .parse::<u64>()
+            .expect("Bad last_attached");
+
+        Session {
+            name,
+            id,
+            client_attached,
+            created_at,
+            last_attached,
+        }
+    }
+}
+
+/// Read the current tmux sessions from the server
+///
+/// # Examples
+///
+/// ```rust
+/// extern crate load;
+/// use load::tmux;
+///
+/// let _: tmux::SessionList = tmux::get_sessions();
+/// ```
+pub fn get_sessions() -> SessionList {
+    let output = call(&[
+        "list-sessions",
+        "-F",
+        "#{session_name} #{session_id} #{session_attached} #{session_created} #{session_last_attached}",
+    ])
+    .expect("couldn't get tmux sessions");
+    let sessions = String::from_utf8_lossy(&output.stdout).to_string();
+    let sessions = sessions
+        .trim()
+        .split('\n')
+        .map(Session::from_formatted_str)
+        .collect::<Vec<_>>();
+
+    SessionList { sessions }
+}
+
 /// Attach is called as the last function in a set of commands. After the tmux
 /// env has been setup by all previous commands this attaches the user to their
 /// daemonized tmux session.
diff --git a/load/src/tmux/target.rs b/common/src/tmux/target.rs
similarity index 100%
rename from load/src/tmux/target.rs
rename to common/src/tmux/target.rs
diff --git a/list/src/lib.rs b/list/src/lib.rs
index c034f20..b4f8a19 100644
--- a/list/src/lib.rs
+++ b/list/src/lib.rs
@@ -4,13 +4,16 @@ use common::args::Args;
 use common::first_run::check_first_run;
 use common::project_paths::{project_paths, CONFIG_EXTENSION};
 
+use std::cmp::Reverse;
 use std::path::PathBuf;
 
 pub fn exec(args: Args) -> Result<(), String> {
     let project_paths = project_paths(&args);
     check_first_run(&project_paths.project_directory)?;
 
-    let mut projects: Vec<String> = project_paths
+    let tmux_session = common::tmux::get_sessions();
+
+    let mut project_names: Vec<String> = project_paths
         .project_directory
         .read_dir()
         .map_err(|_| "Could not read the dir")?
@@ -25,9 +28,26 @@ pub fn exec(args: Args) -> Result<(), String> {
         })
         .collect();
 
-    &projects.sort();
+    project_names.sort_by_key(|name| (Reverse(tmux_session.get_last_attached(name)), name.clone()));
+
+    let project_displays: Vec<String> = project_names
+        .into_iter()
+        .map(|name| {
+            let mut display = name.clone();
+
+            if tmux_session.has_session(&name) {
+                display.push('*');
+            }
+
+            if tmux_session.is_attached(&name) {
+                display.push_str(" (attached)");
+            }
+
+            display
+        })
+        .collect();
 
-    println!("{}", &projects.join("\t\t"));
+    println!("{}", &project_displays.join("\t\t"));
 
     Ok(())
 }
diff --git a/list/tests/list.rs b/list/tests/list.rs
index f88f726..f90c868 100644
--- a/list/tests/list.rs
+++ b/list/tests/list.rs
@@ -16,7 +16,7 @@ mod test {
         fn make_files() -> PathBuf {
             let dir_name = rand_names::project_path_name();
             let dir = PathBuf::from(&dir_name);
-            
+
             dbg!(&dir);
             if !&dir.exists() {
                 println!("{:?}", fs::create_dir(&dir))
@@ -24,8 +24,9 @@ mod test {
 
             let configs = ["foo.yml", "bar.yml", "muxed.yml"];
             for config in &configs {
-              let path = PathBuf::from(&dir_name).join(config);
-              let _ = File::create(&path).expect("Muxed list test failed to create test config files.");
+                let path = PathBuf::from(&dir_name).join(config);
+                let _ = File::create(&path)
+                    .expect("Muxed list test failed to create test config files.");
             }
 
             dir
diff --git a/load/Cargo.toml b/load/Cargo.toml
index f59cb71..d47b66d 100644
--- a/load/Cargo.toml
+++ b/load/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 common    = { path = "../common" }
 dirs      = "2.0.2"
 libc      = "0.2.66"
-yaml-rust = { version = "0.4.3", default-features = false }
+yaml-rust = { version = "0.4.5", default-features = false }
 
 [dev-dependencies]
 rand      = "0.7.2"
diff --git a/load/src/command.rs b/load/src/command.rs
index f96dca3..b96657f 100644
--- a/load/src/command.rs
+++ b/load/src/command.rs
@@ -1,12 +1,12 @@
 //! The structures used to manage commands sent over to tmux.
 
+use common::tmux;
+use common::tmux::target::*;
 use std::io;
 use std::path::PathBuf;
 use std::process::Output;
 use std::rc::Rc;
 use std::{process, str};
-use tmux;
-use tmux::target::*;
 
 pub trait Command {
     fn call(&self, debug: bool) -> Result<Output, io::Error> {
@@ -44,7 +44,14 @@ impl Session {
 // TODO: Real logic exists here. Test it!
 impl Command for Session {
     fn args(&self) -> Vec<&str> {
-        let args: Vec<&str> = vec!["new", "-d", "-s", &self.target.arg_string, "-n", &self.window_name];
+        let args: Vec<&str> = vec![
+            "new",
+            "-d",
+            "-s",
+            &self.target.arg_string,
+            "-n",
+            &self.window_name,
+        ];
 
         match self.root_path.as_ref() {
             Some(path) => [&args[..], &["-c", path.to_str().unwrap()]].concat(),
@@ -85,7 +92,13 @@ impl Window {
 
 impl Command for Window {
     fn args(&self) -> Vec<&str> {
-        let args: Vec<&str> = vec!["new-window", "-t", &self.session_target.arg_string, "-n", &self.name];
+        let args: Vec<&str> = vec![
+            "new-window",
+            "-t",
+            &self.session_target.arg_string,
+            "-n",
+            &self.name,
+        ];
 
         match self.path.as_ref() {
             Some(path) => [&args[..], &["-c", path.to_str().unwrap()]].concat(),
@@ -163,7 +176,13 @@ impl SendKeys {
 
 impl Command for SendKeys {
     fn args(&self) -> Vec<&str> {
-        vec!["send-keys", "-t", &self.target.arg_string(), &self.exec, "KPEnter"]
+        vec![
+            "send-keys",
+            "-t",
+            &self.target.arg_string(),
+            &self.exec,
+            "KPEnter",
+        ]
     }
 }
 
diff --git a/load/src/lib.rs b/load/src/lib.rs
index 0717e05..17f65e6 100644
--- a/load/src/lib.rs
+++ b/load/src/lib.rs
@@ -1,19 +1,17 @@
 extern crate dirs;
-extern crate libc;
 extern crate yaml_rust;
 
 extern crate common;
 
 pub mod command;
 pub mod project;
-pub mod tmux;
 
 use args::Args;
 use command::Commands;
 use common::project_paths::project_paths;
-use common::{args, first_run};
+use common::tmux::config::Config;
+use common::{args, first_run, tmux};
 use project::parser;
-use tmux::config::Config;
 
 pub fn exec(args: Args) -> Result<(), String> {
     let project_paths = project_paths(&args);
diff --git a/load/src/project/mod.rs b/load/src/project/mod.rs
index cc87850..8003a6e 100644
--- a/load/src/project/mod.rs
+++ b/load/src/project/mod.rs
@@ -5,11 +5,11 @@ pub mod parser;
 
 use command::{Attach, Commands, SwitchClient};
 use common::project_paths::ProjectPaths;
+use common::tmux::has_session;
 use first_run::check_first_run;
 use std::env;
 use std::fs::File;
 use std::io::prelude::*;
-use tmux::has_session;
 use yaml_rust::{Yaml, YamlLoader};
 
 static TMUX_ENV_VAR: &str = "TMUX";
diff --git a/load/src/project/parser.rs b/load/src/project/parser.rs
index ab1f3fe..c5d09d2 100644
--- a/load/src/project/parser.rs
+++ b/load/src/project/parser.rs
@@ -2,12 +2,12 @@
 //! processed later.
 
 use command::*;
+use common::tmux::config::Config;
+use common::tmux::target::*;
 use dirs::home_dir;
 use project;
 use std::path::{Path, PathBuf};
 use std::rc::Rc;
-use tmux::config::Config;
-use tmux::target::*;
 use yaml_rust::Yaml;
 
 /// Here was pass in the parsed yaml and project name. The purpose of this call
@@ -85,16 +85,23 @@ pub fn call<'a>(
                             path.clone(),
                         )?);
                     } else {
-                        commands.push(Window::new(
-                            &project_name,
-                            Rc::new(k.as_str().ok_or_else(|| {
-                                "Windows require being named in your config."
-                            })?
-                            .to_string()),
-                            root.clone()
-                        ).into());
-
-                        let target = WindowTarget::new(Rc::clone(&project_name), k.as_str().unwrap());
+                        commands.push(
+                            Window::new(
+                                &project_name,
+                                Rc::new(
+                                    k.as_str()
+                                        .ok_or_else(|| {
+                                            "Windows require being named in your config."
+                                        })?
+                                        .to_string(),
+                                ),
+                                root.clone(),
+                            )
+                            .into(),
+                        );
+
+                        let target =
+                            WindowTarget::new(Rc::clone(&project_name), k.as_str().unwrap());
                         commands.append(&mut common_commands(Target::WindowTarget(target.clone())));
 
                         // SendKeys for the exec command
@@ -151,7 +158,8 @@ pub fn call<'a>(
             );
         }
 
-        remains.push(SelectWindow::new(WindowTarget::new(Rc::clone(&project_name), &w.name)).into());
+        remains
+            .push(SelectWindow::new(WindowTarget::new(Rc::clone(&project_name), &w.name)).into());
         remains.push(
             SelectPane::new(PaneTarget::new(
                 &project_name,
diff --git a/load/tests/helpers/mod.rs b/load/tests/helpers/mod.rs
index 05ee3b3..8e68016 100644
--- a/load/tests/helpers/mod.rs
+++ b/load/tests/helpers/mod.rs
@@ -75,11 +75,11 @@ fn open_muxed(project: &str, project_root: &Path) -> Result<(), String> {
 }
 
 fn kill_session(target: &str) {
-    let _ = load::tmux::call(&["kill-session", "-t", target]);
+    let _ = common::tmux::call(&["kill-session", "-t", target]);
 }
 
 fn send_keys(target: &str, exec: &str) {
-    let _ = load::tmux::call(&["send-keys", "-t", target, exec, "KPEnter"]);
+    let _ = common::tmux::call(&["send-keys", "-t", target, exec, "KPEnter"]);
 }
 
 fn wait_on(file: &PathBuf) {
diff --git a/load/tests/load.rs b/load/tests/load.rs
index 582e956..23899eb 100644
--- a/load/tests/load.rs
+++ b/load/tests/load.rs
@@ -4,7 +4,6 @@ extern crate common;
 extern crate snapshot;
 
 extern crate dirs;
-extern crate libc;
 extern crate load;
 extern crate rand;
 extern crate yaml_rust;
@@ -127,9 +126,13 @@ windows:
             let _ = fs::remove_dir(dir);
             // Use contains because OSX on travis ci symlinks /tmp/ to /private/tmp/
             // resulting in `pane_current_path` being `/private/tmp/Direct…`
-            assert!(pane.path.to_str().unwrap().contains("/tmp/Directory With Spaces"));
+            assert!(pane
+                .path
+                .to_str()
+                .unwrap()
+                .contains("/tmp/Directory With Spaces"));
         }
-    
+
         #[test]
         fn expect_home_var_to_open_in_home_dir() {
             let contents = b"---