diff --git a/crates/client/src/user.rs b/crates/client/src/user.rs
index a885b3b1ad..3f52b2b6d9 100644
--- a/crates/client/src/user.rs
+++ b/crates/client/src/user.rs
@@ -20,6 +20,7 @@ pub struct User {
 #[derive(Debug)]
 pub struct Contact {
     pub user: Arc<User>,
+    pub online: bool,
     pub projects: Vec<ProjectMetadata>,
 }
 
@@ -109,6 +110,14 @@ impl UserStore {
                         }
                         Status::SignedOut => {
                             current_user_tx.send(None).await.ok();
+                            if let Some(this) = this.upgrade(&cx) {
+                                this.update(&mut cx, |this, _| this.clear_contacts()).await;
+                            }
+                        }
+                        Status::ConnectionLost => {
+                            if let Some(this) = this.upgrade(&cx) {
+                                this.update(&mut cx, |this, _| this.clear_contacts()).await;
+                            }
                         }
                         _ => {}
                     }
@@ -499,7 +508,11 @@ impl Contact {
                 guests,
             });
         }
-        Ok(Self { user, projects })
+        Ok(Self {
+            user,
+            online: contact.online,
+            projects,
+        })
     }
 
     pub fn non_empty_projects(&self) -> impl Iterator<Item = &ProjectMetadata> {
diff --git a/crates/collab/src/rpc.rs b/crates/collab/src/rpc.rs
index ea71ab5f00..51aec065cd 100644
--- a/crates/collab/src/rpc.rs
+++ b/crates/collab/src/rpc.rs
@@ -5000,13 +5000,22 @@ mod tests {
             .await;
         deterministic.run_until_parked();
         client_a.user_store.read_with(cx_a, |store, _| {
-            assert_eq!(contacts(store), [("user_b", vec![]), ("user_c", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_b", true, vec![]), ("user_c", true, vec![])]
+            )
         });
         client_b.user_store.read_with(cx_b, |store, _| {
-            assert_eq!(contacts(store), [("user_a", vec![]), ("user_c", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_a", true, vec![]), ("user_c", true, vec![])]
+            )
         });
         client_c.user_store.read_with(cx_c, |store, _| {
-            assert_eq!(contacts(store), [("user_a", vec![]), ("user_b", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_a", true, vec![]), ("user_b", true, vec![])]
+            )
         });
 
         // Share a worktree as client A.
@@ -5033,18 +5042,27 @@ mod tests {
 
         deterministic.run_until_parked();
         client_a.user_store.read_with(cx_a, |store, _| {
-            assert_eq!(contacts(store), [("user_b", vec![]), ("user_c", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_b", true, vec![]), ("user_c", true, vec![])]
+            )
         });
         client_b.user_store.read_with(cx_b, |store, _| {
             assert_eq!(
                 contacts(store),
-                [("user_a", vec![("a", false, vec![])]), ("user_c", vec![])]
+                [
+                    ("user_a", true, vec![("a", false, vec![])]),
+                    ("user_c", true, vec![])
+                ]
             )
         });
         client_c.user_store.read_with(cx_c, |store, _| {
             assert_eq!(
                 contacts(store),
-                [("user_a", vec![("a", false, vec![])]), ("user_b", vec![])]
+                [
+                    ("user_a", true, vec![("a", false, vec![])]),
+                    ("user_b", true, vec![])
+                ]
             )
         });
 
@@ -5057,18 +5075,27 @@ mod tests {
             .unwrap();
         deterministic.run_until_parked();
         client_a.user_store.read_with(cx_a, |store, _| {
-            assert_eq!(contacts(store), [("user_b", vec![]), ("user_c", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_b", true, vec![]), ("user_c", true, vec![])]
+            )
         });
         client_b.user_store.read_with(cx_b, |store, _| {
             assert_eq!(
                 contacts(store),
-                [("user_a", vec![("a", true, vec![])]), ("user_c", vec![])]
+                [
+                    ("user_a", true, vec![("a", true, vec![])]),
+                    ("user_c", true, vec![])
+                ]
             )
         });
         client_c.user_store.read_with(cx_c, |store, _| {
             assert_eq!(
                 contacts(store),
-                [("user_a", vec![("a", true, vec![])]), ("user_b", vec![])]
+                [
+                    ("user_a", true, vec![("a", true, vec![])]),
+                    ("user_b", true, vec![])
+                ]
             )
         });
 
@@ -5084,14 +5111,17 @@ mod tests {
         .unwrap();
         deterministic.run_until_parked();
         client_a.user_store.read_with(cx_a, |store, _| {
-            assert_eq!(contacts(store), [("user_b", vec![]), ("user_c", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_b", true, vec![]), ("user_c", true, vec![])]
+            )
         });
         client_b.user_store.read_with(cx_b, |store, _| {
             assert_eq!(
                 contacts(store),
                 [
-                    ("user_a", vec![("a", true, vec!["user_b"])]),
-                    ("user_c", vec![])
+                    ("user_a", true, vec![("a", true, vec!["user_b"])]),
+                    ("user_c", true, vec![])
                 ]
             )
         });
@@ -5099,8 +5129,8 @@ mod tests {
             assert_eq!(
                 contacts(store),
                 [
-                    ("user_a", vec![("a", true, vec!["user_b"])]),
-                    ("user_b", vec![])
+                    ("user_a", true, vec![("a", true, vec!["user_b"])]),
+                    ("user_b", true, vec![])
                 ]
             )
         });
@@ -5114,16 +5144,70 @@ mod tests {
         cx_a.update(move |_| drop(project_a));
         deterministic.run_until_parked();
         client_a.user_store.read_with(cx_a, |store, _| {
-            assert_eq!(contacts(store), [("user_b", vec![]), ("user_c", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_b", true, vec![]), ("user_c", true, vec![])]
+            )
         });
         client_b.user_store.read_with(cx_b, |store, _| {
-            assert_eq!(contacts(store), [("user_a", vec![]), ("user_c", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_a", true, vec![]), ("user_c", true, vec![])]
+            )
         });
         client_c.user_store.read_with(cx_c, |store, _| {
-            assert_eq!(contacts(store), [("user_a", vec![]), ("user_b", vec![])])
+            assert_eq!(
+                contacts(store),
+                [("user_a", true, vec![]), ("user_b", true, vec![])]
+            )
         });
 
-        fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, bool, Vec<&str>)>)> {
+        server.disconnect_client(client_c.current_user_id(cx_c));
+        server.forbid_connections();
+        deterministic.advance_clock(rpc::RECEIVE_TIMEOUT);
+
+        client_a.user_store.read_with(cx_a, |store, _| {
+            assert_eq!(
+                contacts(store),
+                [("user_b", true, vec![]), ("user_c", false, vec![])]
+            )
+        });
+        client_b.user_store.read_with(cx_b, |store, _| {
+            assert_eq!(
+                contacts(store),
+                [("user_a", true, vec![]), ("user_c", false, vec![])]
+            )
+        });
+        client_c
+            .user_store
+            .read_with(cx_c, |store, _| assert_eq!(contacts(store), []));
+
+        server.allow_connections();
+        client_c
+            .authenticate_and_connect(false, &cx_c.to_async())
+            .await
+            .unwrap();
+        deterministic.run_until_parked();
+        client_a.user_store.read_with(cx_a, |store, _| {
+            assert_eq!(
+                contacts(store),
+                [("user_b", true, vec![]), ("user_c", true, vec![])]
+            )
+        });
+        client_b.user_store.read_with(cx_b, |store, _| {
+            assert_eq!(
+                contacts(store),
+                [("user_a", true, vec![]), ("user_c", true, vec![])]
+            )
+        });
+        client_c.user_store.read_with(cx_c, |store, _| {
+            assert_eq!(
+                contacts(store),
+                [("user_a", true, vec![]), ("user_b", true, vec![])]
+            )
+        });
+
+        fn contacts(user_store: &UserStore) -> Vec<(&str, bool, Vec<(&str, bool, Vec<&str>)>)> {
             user_store
                 .contacts()
                 .iter()
@@ -5139,7 +5223,11 @@ mod tests {
                             )
                         })
                         .collect();
-                    (contact.user.github_login.as_str(), worktrees)
+                    (
+                        contact.user.github_login.as_str(),
+                        contact.online,
+                        worktrees,
+                    )
                 })
                 .collect()
         }
diff --git a/crates/contacts_panel/src/contacts_panel.rs b/crates/contacts_panel/src/contacts_panel.rs
index 4c354c5644..48386749ef 100644
--- a/crates/contacts_panel/src/contacts_panel.rs
+++ b/crates/contacts_panel/src/contacts_panel.rs
@@ -638,10 +638,20 @@ impl ContactsPanel {
                 executor.clone(),
             ));
             if !matches.is_empty() {
-                self.entries.push(ContactEntry::Header("Contacts"));
+                let (online_contacts, offline_contacts) = matches
+                    .iter()
+                    .partition::<Vec<_>, _>(|mat| contacts[mat.candidate_id].online);
+
+                self.entries.push(ContactEntry::Header("Online"));
                 self.entries.extend(
-                    matches
-                        .iter()
+                    online_contacts
+                        .into_iter()
+                        .map(|mat| ContactEntry::Contact(contacts[mat.candidate_id].clone())),
+                );
+                self.entries.push(ContactEntry::Header("Offline"));
+                self.entries.extend(
+                    offline_contacts
+                        .into_iter()
                         .map(|mat| ContactEntry::Contact(contacts[mat.candidate_id].clone())),
                 );
             }