Advent Word: https://adventword.org/en/category/2020/ This is a worldwide ecumenical group that is providing a brief meditation each day of Advent. The site is hosted by Virginia Theological Seminary.
Pray as you go: https://pray-as-you-go.org This resource is Roman Catholic so follows a slightly different lectionary. However, it is based in Ignatian prayer and is a wonderful daily prayer. You can download the 15-minute meditation and take it with you on a walk.
SSJE word of the day: https://www.ssje.org/word/ From the Society of St. John the Evangelist this is a quick one word meditation. The brothers are also offering livestream service of evening prayer and compline. https://www.ssje.org/word/
Living Compass Advent program: https://www.livingcompass.org/advent-signup On this link you can sign up for a daily email reflection. This is the same as the printed version that we have available at the church.