I found this article thanks to its mention of TreeSheets, and I found out about TreeSheets thanks to DrWeb! MakeUseOf: The 8 Best Free Alternatives to Google Keep. “As the next-generation workforce moves towards a fully paperless and eco-friendly home or office, online note-taking apps become essential. Since Google Keep’s release in 2013, it has become one of the best online note-taking apps to date. However, the robust growth of cloud computing paved the way for many alternatives to Google Keep online notepad app. The following list of note-taking apps can suit your work style. Choose the one that best suits your needs.”