Fantasia Archive - Free offline worldbuilding and story creation tool with dozens of templates, complex tagging options, document linking, and project-wide search. Template examples: characters, places, events, religions, currencies, magic, species, languages.

iotlist - Discover the internet of things

World Scribe - World Scribe is a platform that eases the creation process if novel and allows users to keep track of important elements in their world.

Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

Obsidian.md - A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.

Fieldbook - Create a database, as easily as a spreadsheet