A few past discussions:

TreeSheets: Free Form Data Organizer (Hierarchical Spreadsheet) - https://news.ycombinator.com/item?id=47654219 - April 2026 (1 comment)

TreeSheets: Open Source Free Form Data Organizer - https://news.ycombinator.com/item?id=34184993 - Dec 2022 (55 comments)

Treesheets: cross-platform, free-form data organizer app - https://news.ycombinator.com/item?id=27614912 - June 2021 (90 comments)

TreeSheets: Free Form Data Organizer - https://news.ycombinator.com/item?id=15057392 - Aug 2017 (58 comments)

TreeSheets: Free-Form Data Organizer - https://news.ycombinator.com/item?id=11247372 - March 2016 (28 comments)