Calm is a meditation, sleep and relaxation app, available in both the App Store and Google Play store. Calm creates unique audio content that strengthens mental fitness and tackles some of the biggest mental health challenges of today: stress, anxiety, insomnia, and depression. As a result of COVID-19, Calm has put together a page of free resources for anyone to use. For anyone who would like to try the app, Calm offers a 7-day free trial.
https://www.calm.com/blog/take-a-deep-breath?utm_source=lifecycle&utm_medium=email&utm_campaign=difficult_times_subs_031720

Cosmic Kids Yoga and Mindfulness is a YouTube page with yoga, mindfulness, and relaxation videos designed for kids.
https://www.youtube.com/user/CosmicKidsYoga/featured

UCSD Center for Mindfulness is providing daily streams and recordings of mindfulness and compassion sessions to help cope with the current situation.
https://medschool.ucsd.edu/som/fmph/research/mindfulness/pages/default.aspx

Loyola University RELAX Online is an interactive tool, narrated by Counseling Center Staff, that features videos, soothing visuals, and music.
https://www.loyola.edu/department/counseling-center/students/relaxation

To manage anxiety and some of the overwhelming feelings:

MindShift CBT by Anxiety Canada is a free app that uses scientifically proven strategies based on Cognitive Behavioural Therapy (CBT) to help you learn to relax and be mindful, develop more effective ways of thinking, and use active steps to take charge of your anxiety.
https://www.anxietycanada.com/resources/mindshift-cbt/

Self-Help for Anxiety Management is free app that offers a range of self-help methods for people who are serious about learning to manage their anxiety.

iOS: https://apps.apple.com/ca/app/self-help-for-anxiety-management/id666767947
Android: https://play.google.com/store/apps/details?id=com.uwe.myoxygen&hl=en

Antidepressant Skills Workbook is a self-care manual based on scientific research about which strategies work best in managing depression. It provides an overview of depression, explains how it can be effectively managed, and gives a step-by-step guide to changing patterns that trigger depression.

https://psychhealthandsafety.org/asw

To increase wellness:

Taking Care of your Mental Health During The COVID-19 Pandemic lists 7 things you can do to help yourself and your loved ones remain mentally well through the pandemic.
https://www.youtube.com/watch?v=IsJus1R15Ds

To cope with the uncertainty:

Intolerance of Uncertainty Information and Worksheet:
https://www.heretohelp.bc.ca/infosheet/how-to-tolerate-uncertainty

Coronavirus Anxiety: Coping with Stress, Fear, and Uncertainty:
https://www.helpguide.org/articles/anxiety/coronavirus-anxiety.htm

To promote social connections and reduce loneliness:

Netflix Party is a Chrome extension for watching Netflix remotely with friends. It synchronizes video playback and adds group chat.
https://www.netflixparty.com/

10 Ideas for Coping with Loneliness During Social Distancing:
https://www.psychologytoday.com/ca/blog/in-love-and-war/202003/10-ideas-coping-loneliness-during-social-distancing