Receive notifications for someone's questions in iOS app
69057
Mark questions to receive notifications and updates?
21551
Can I get notification when event occur?
48530
How does SO give the "answers have been posted" notification?
8704
Toggles for chat notifications
70664
Allow me to get notifications for new Meta posts, like mods do
38781
How can I get a notification when someone else's question is reopened?
91504
Ask a question and notify users on specific users list
102525
Cannot answer protected question on iOS app
64948
Can I get notifications from my favourite tags into the SE inbox?
120365
Display notification whenever app is running or not
70256
Notify question OP (and those who marked it a favourite) if an answer has been modified
18726
Receive Notifications for Comments on any Answers to Your Question
144419
Is it possible to get an Edit Notification on questions or answers that I up voted?
73933
Determine on iPhone if user has enabled push notifications
66153
"Follow that question" feature
48541
How to favorite a question from Android app?
29446
Any way to send a personal message to another user?