This is a variation of the Today God is First devotions that are done by Os Hillman. Each daily email contains the days TGIF devotion and a special prayer for the reader. You can sign-up to receive the emails here. You can also read the Today God is First daily devotion on our site here.
You can read the popular daily devotional Our Daily Bread online every day here.
My Utmost for His Highest is a classic daily devotional written by Oswald Chambers. BC ministries (Our Daily Bread) brings this daily devotional online for you here.
Christianity today offers a variety of targeted devotions for men, women, marriage, being single... They offer resources no matter what season you are in. You can browse for what you are interested and sign-up here.
Crosswalk.com offers a variety of different emails and devotionals including Streams in the Desert. You can sign-up for all of their emails here.
Ransomed Heart is a daily devotion created by the author John Eldridge. Each devotion is based on excerpts from the many books he has written regarding the heart of the man. If you are a fan of John Eldridge this is a great tool to have. You can subscribe here. Just be sure to click the checkbox by subscribe to daily reading list.
Every Man's Battle offers a daily devotional message related to sexual integrity. It is a great resource if you simply suffer from being a "man". You can subscribe here.