Gnumeric is a lightweight, open‑source spreadsheet program focused on accuracy and speed. Below is a curated list of 20 alternative spreadsheet applications—ranging from full‑featured office suites to cloud‑based collaborative tools—that can serve as replacements for Gnumeric.
Get targeted exposure with custom position pinning and highlighted placement.
Free, open‑source spreadsheet component of LibreOffice with extensive formula support, charting, and macro capabilities.
Another open‑source office suite offering a powerful spreadsheet program compatible with many Excel formats.
Industry‑standard desktop spreadsheet with advanced analytics, Power Query, Power Pivot, and extensive add‑in ecosystem.
Web‑based spreadsheet that enables real‑time collaboration, AI‑driven suggestions, and seamless integration with Google Workspace.
Online spreadsheet with collaborative editing, data cleaning tools, and AI‑assisted insights, part of the Zoho Office Suite.
Open‑source, web‑compatible spreadsheet with full Excel compatibility, charts, and collaborative editing.
Free (with premium tier) spreadsheet app offering a familiar Excel‑like UI, extensive templates, and cloud sync.
Mac‑ and iOS‑native spreadsheet with a focus on visual design, templates, and iCloud collaboration.
Hybrid spreadsheet‑database platform that combines grid view with powerful relational features and automation.
Enterprise‑grade work execution platform built on a spreadsheet interface, offering automation, reporting, and integration.
Collaboration‑first spreadsheet and document suite from Salesforce, with live chat and task management.
Open‑source, web‑based real‑time collaborative spreadsheet that requires no registration.
Enterprise‑ready, LibreOffice‑based online spreadsheet with real‑time collaboration and strong security controls.
Free office suite from SoftMaker offering a fully compatible spreadsheet with a familiar interface.
Part of the KDE Calligra Suite, this open‑source spreadsheet provides KDE‑style integration and scripting.
Cloud‑based tool for connecting, automating, and managing data across multiple spreadsheet files.
Free, browser‑based version of Excel with core features and OneDrive integration.
Enterprise tier of Google Sheets with advanced admin controls, data loss prevention, and integration with Google Cloud.
Premium Zoho Sheet offering advanced data validation, API access, and SSO for large organizations.
Lightweight, web‑compatible spreadsheet with Excel compatibility and basic collaboration tools.