1
Vertex42
vertex42.comAlso covers spreadsheet · same kind of website
Vertex42 publishes spreadsheet templates, calendars, and calculators, including materials for budgeting and project management.
Alternatives
The Best Proton Sheets Alternatives in 2026
6 alternatives2 free · 1 open source
Looking for something like Proton Sheets? Here are 6 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 1 are open source.
About Proton Sheetsproton.me/drive/sheets
VisitProton Sheets provides encrypted online spreadsheets for organizing data and collaborating, with Excel and Google Sheets import.
Top picks at a glance
First suggestionVertex42Vertex42 publishes spreadsheet templates, calendars, and…Free or freemium optionJamovijamovi provides an open statistical spreadsheet designed…Open source optionTree SheetsTreeSheets organizes information in a hierarchical…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Vertex42 | — | Not stated | Web |
| 2 | Jamovi | Free | Not stated | Web |
| 3 | Proton Docs | — | Not stated | Android, iOS, Web |
| 4 | dDocs | — | Not stated | Web |
| 5 | VisiData | — | Not stated | Web |
| 6 | Tree Sheets | Free | Yes | Windows, macOS, Linux |
All Proton Sheets alternatives
2
Also covers spreadsheet · same kind of website · free
jamovi provides an open statistical spreadsheet designed for accessible analysis and powered by the R statistical language.
3
Also covers android and ios · same kind of website
Proton Docs provides end-to-end encrypted online documents for real-time collaboration and sharing.
4
dDocs
docs.fileverse.ioSame kind of website
dDocs offers end-to-end encrypted document editing and real-time collaboration as an alternative to Google Docs.
5
VisiData
visidata.orgSame kind of website
Explore tabular data with VisiData, an interactive command-line multitool that combines spreadsheet-like clarity with terminal and Python workflows.
6
Open source · free
TreeSheets organizes information in a hierarchical spreadsheet format for tasks, mind maps, outlines, and small databases.
No alternatives match this filter.
Alternatives to similar tools
Proton Docs6 alternativesVertex427 alternativesdDocs12 alternativesTree Sheets16 alternativesVisiData18 alternatives
TopicText Editors · 166 sites Best-of list8 Best Free Code Editors for Web Projects and Quick EditsBest-of list8 Best Free Markdown Editors for Articles and Notes ListingProton Sheets details
What is the best alternative to Proton Sheets?
Based on features, tags and platforms, the closest alternatives to Proton Sheets are Vertex42, Jamovi, and Proton Docs.
Is there a free alternative to Proton Sheets?
Yes. Jamovi and Tree Sheets are free or offer a free plan.
Are there open-source alternatives to Proton Sheets?
Yes: Tree Sheets.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative