Sites and apps similar to Proton Sheets include LibreOffice - Calc, which is free and open source. Other options are Microsoft Excel, Google Sheets, Grist and Collabora Office Classic. Spreadsheet Apps like Proton Sheets are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, Android and self-hosting.
TeamDesk is an online database software that enables teams to easily design web-based database applications or use predefined solutions to gather, share and manage business information.
United States
A secure and GDPR compliant alternative for Google Sheets. Write, edit, and collaborate on a document. Save and secure it on Blockchain cloud storage.
United States
United Kingdom
Tabidoo serves as very easy and inutitive tool to help with online data collaboration, codeless web application creation. Non IT person can create its app, share the app with anyone simply by sending the email. Every data change is audited.
Czechia
EU
Financial modeling software for SMBs. Fluxo allows users to import their data, set up assumptions and forecasting logic, and share customizable reports.
United States
A lightweight, keyboard-first spreadsheet that opens your Excel files in about 300ms and gives you a command palette instead of a ribbon.
United States
Wedding guest management tool that replaces your spreadsheet. Send each household a unique magic link, guests fill in their own RSVP, meal choice, dietary needs, and mailing address, and it all syncs to your dashboard automatically.
AI-powered real estate underwriting with Monte Carlo simulations, LP/GP waterfalls, and instant PDF reports. Analyze deals in 5 minutes.
United States
CyprusEU
ShopSchedule is a lightweight scheduling tool built for machine shops and job shops. Replace whiteboards and spreadsheets with a live drag-and-drop schedule your whole team can see. Every machine, every job, one screen.
RomaniaEU
VE4 Excel Editor is a fast, lightweight, and fully browser-based spreadsheet tool that allows users to view, edit, and create Excel files online without installing any software. Designed for simplicity and performance, it supports XLSX file import/export, PDF export, real-time...
CzechiaEU
