Best Windows Alternatives to Microsoft Excel

Proton Sheets is a secure, end-to-end encrypted spreadsheet tool designed for teams and individuals who value data privacy. Built as part of Proton Drive, it lets you create, edit, and collaborate on spreadsheets while keeping your data fully protected from tracking, ads, or third-party access. Work in real time with collaborators, manage calculations, organize data, and share files securely—all within a privacy-first environment. Whether you’re handling financial data, business planning, or sensitive information, Proton Sheets ensures your spreadsheets remain private, encrypted, and under your control.

Formula Manager for Excel is a desktop add-in built by Uniform Software to help financial modelers, analysts, and developers audit and automate complex spreadsheets. Operating directly from a dedicated tab on the Excel ribbon, it replaces Excel's native Name Manager with two-way dependency tracking, pattern-based batch tools, and structural diagnostics. Key Features • Two-Way Dependency Mapping: Trace complex formula networks across worksheets using dedicated "Referred By" and "Refers To" panels. • Advanced Explorer Window: Search, sort, and browse all defined names, range formulas, and table names with browser-style selection history. • Pattern-Based Batch Naming: Generate sequential range names or formula patterns across rows and columns using sequence wildcards (e.g., Region??). • Extended Property Diagnostics: Filter metadata to isolate broken #REF! errors, hidden names, 3D ranges, relative references, and unused formulas. • Export/Import Grid Workflow: Export definitions into an editable worksheet grid, execute bulk updates, perform automated syntax checks, and re-import changes. • Automated Safety Backups: Automatically save timestamped workbook backups prior to executing any batch operation. • Scope Conversion: Convert defined name scopes between workbook-wide (global) and worksheet-specific (local) in batch.

Google sheets is a futuristic spreadsheet program offered by Google as a part of Suite editor to its subscribers. This web-based application enables users to create, edit, manage and modify spreadsheet data in real-time. The platform comes loaded with a plethora of functionalities like colour-coding, built-in formulas, pivot tables and conditional formatting which makes data creation and management incredibly easy. Also, in-built features like pre-designed templates make Google Sheets a valuable asset for businesses and individuals. Moreover, this software lets users access, create, and edit their sheets at any time from any device of their choice. Large teams located in different parts of the globe can collaborate with each other leveraging on features like built-in chat and comment sections. It also offers an offline working function letting users continue working even without a connection and auto-save retains their work in an instant. Google Sheets is also compatible with Excel, letting users import their templates without hassles. This power-packed application lets users get access to informative summaries and real-time third-party integration facilities.