Timehero: Time management app.
Here's a solid list of productivity tools that I love from Clayton Johnson.
Headspace: Daily meditation tool.
Todoist: Manage tasks and projects anywhere, online or offline.
For tracking your time management, try Toggl or Yast.
Are you a savvy social manager? Go with Hootsuite, which offers a central dashboard for managing all your social media accounts. Also consider Buffer, which makes it super easy to share found articles across various social sites.
For saving articles to read at your leisure, go with Feedly, Pocket, or Evernote. These apps are compatible across devices; you can earmark a blog post on your laptop and read it later on the train via smartphone.
Sick of forgetting passwords (then resetting them, getting an email, and choosing a new password, which you'll forget again next time) Try LastPass, which keeps tabs and secures all your various passwords for you. If you use numerous accounts in one day (and who doesn't?), this one can be a serious timesaver.
Here's an article from Inc with a few helpful tips. (My favourite tip from the article? "Hug Your Dog!")