Low Cost Freeware Shareware Database Program

[Acer]

LibreOffice has a database module, if database is your preferred solution. A local database would be future proof. Sharing services and Wordpress sites are basically just databases with fancy front-ends. After you get your personal database polished, look for an online sharing service with a mass-upload capability. If the service dies, you'll still have all your data ready for the next one. This assumes you will be doing the data entry, and not expected your users to be adding data. If users will be adding, then you'll need to be able to download the data for backup or for moving to a new service.

https://www.libreoffice.org/DISCOVER/BASE/