Here is a list of education companies offering free subscriptions due to school closings:

Vocabulary Spelling City https://www.spellingcity.com/ (Use code: VSCFree90)

Learning A-Z https://www.learninga-z.com/site/lp2/covid19 (Free RAZ Kids and Headsprout)

Discovery Ed https://www.discoveryeducation.com/coronavirus-response/

BrainPop https://educators.brainpop.com/2020/02/19/free-brainpop-access-for-schools-affected-by-the-corona-virus/?utm_source=organic&utm_medium=social&utm_campaign=coronavirus&utm_content=free-access

Kahoot https://kahoot.com/blog/2020/02/27/kahoot-free-access-schools-higher-education-coronavirus/

Pronto 
https://pronto.io/coronavirus/

BookCreater App https://bookcreator.com/2020/03/support-for-schools-affected-by-coronavirus/

Google for Edu https://www.blog.google/outreach-initiatives/education/distancelearning-covid19

Tynker 
https://mailchi.mp/tynker/in-support-of-schools-facing-health-related-closure

Buncee https://blog.buncee.com/supporting-remote-student-learning/

Pear Deck https://www.peardeck.com/staying-connected

Kami https://blog.kamiapp.com/remote-learning-with-kami-during-school-shutdowns/

Parlay https://parlayideas.com/school-closure-support/

Elementari https://docs.google.com/forms/d/e/1FAIpQLSdJ1LAywQdwvNKN_SpsypVA48XOaoCTQoGhuaP7e12fgwPnWA/viewform

EdPuzzle https://support.edpuzzle.com/hc/en-us/articles/360039805612-Help-for-schools-affected-by-Covid-19

Wakelet https://wakelet.com/wake/3af73ea4-a652-4e38-934d-765aefe0f35b

Twinkl https://www.twinkl.com/blog/how-to-utilise-twinkl-during-the-coronavirus-shutdown-a-guide-for-schools?utm_source=twitter&utm_medium=social&utm_campaign=corona

Hapara https://hapara.com/from-home/

Manga High https://www.mangahigh.com/en-gb/blog/2020-03-06-free-access-schools-online-maths-coronavirus

ListenWire http://blog.listenwise.com/2020/03/listenwise-support-for-schools-affected-by-the-coronavirus/

MobyMax http://press.mobymax.com/mobymax-to-provide-all-k-8-schools-and-school-districts-closed-by-covid-19-with-free-internet-learning-software

GoGuardian https://www.goguardian.com/blog/learning/goguardian-teacher-for-remote-learning/

Scholastic Learn at Home https://classroommagazines.scholastic.com/support/learnathome.html?promo_code=6294&eml=CM/smd/20200312//txtl/sm/ed&linkId=84269747

Google for Edu https://www.blog.google/outreach-initiatives/education/distancelearning-covid19

Seterra Geography https://online.seterra.com/en/p/corona-support

We Video https://www.wevideo.com/education

Education Perfect https://epforlearning.com/2020/education-perfects-technology-minimising-impact-on-100-coronavirus-affected-schools-in-china/

Slido Education https://blog.sli.do/slido-for-education/

Breakout Edu https://www.breakoutedu.com/funathome

Microsoft Education https://educationblog.microsoft.com/en-us/2020/03/how-schools-can-ramp-up-remote-learning-programs-quickly-with-microsoft-teams/

NearPod https://nearpod.com/coronavirus

Zoom https://blog.zoom.us/wordpress/2020/02/26/zoom-commitment-user-support-business-continuity-during-coronavirus-outbreak/

ScreenCastify https://twitter.com/Screencastify/status/1226934956930281472

Mystery Science https://mysteryscience.com/?fbclid=IwAR0tiDhJA1fs0tvraKnXpDLa2JlJGXQhzPR4UnQRVfbOR1Ca3C5yQY5tNwQ

Age of Learning (ABCMouse, Adventure Academy, ReadingIQ) https://www.ageoflearning.com/schoolsD