IronCalc is described as 'The democratization of spreadsheets. Empowering everyone with advanced, open-source spreadsheet solutions' and is a Spreadsheet app in the office & productivity category. There are more than 50 alternatives to IronCalc for a variety of platforms, including Windows, Web-based, Mac, Linux and Android apps. The best IronCalc alternative is ONLYOFFICE, which is both free and Open Source. Other great apps like IronCalc are LibreOffice - Calc, CryptPad, Proton Sheets and Microsoft Excel.
Open-source tool merges spreadsheets, databases, and app-building. Offers a spreadsheet interface, Python engines, real-time collaboration, and cell-level security controls. Choose cloud or self-hosting to maintain data ownership, free team account offers available.
United States
Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and Home Server editions for versatile deployment.
Latvia
EU
LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.org Calc, professional data miners and number crunchers will appreciate its comprehensive range of advanced functions.
GermanyEU
CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.
FranceEU
End-to-end encrypted spreadsheets enabling secure business data management, real-time collaboration with access controls, data analysis with automatic functions and visual tools, integration with cloud storage, and cross-device workspace access for teams.
Switzerland
Comprehensive spreadsheet tool offering advanced data management with features like pivot tables, data visualization, and customizable charts for professional use in creating detailed reports and analyses.
United States
Cloud spreadsheet app featuring real-time editing, support for Excel and CSV import/export, chart building, formula functionality, integrated chat, access controls, cloud syncing, access via web and mobile platforms, scripting, embedding, templates, and Drive integration.
United States
Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time.
GermanyEU
Euro-Office is a self-hostable document server — documents, spreadsheets, presentations, and PDFs — designed to integrate with a platform such as Nextcloud.
EtherCalc is a web spreadsheet. Your data is saved on the web, and people can edit the same document at the same time. Everybody's changes are instantly reflected on all screens. Work together on inventories, survey forms, list management, brainstorming sessions and more!
Create gorgeous spreadsheets with Numbers for Mac. Get started with one of over 30 Apple-designed templates for your home budget, checklist, invoice, mortgage calculator, and more. Add tables, charts, text, and images anywhere on the free-form canvas.
United States
The Gnumeric spreadsheet is part of the GNOME desktop environment: a project to create a free, user friendly desktop environment.
United States
Canva Sheets revolutionizes spreadsheets by integrating visual-first design, AI-driven data insights, and real-time collaboration within Canva's Visual Suite. Users can import CSV data, utilize Magic Features like Charts and Formulas, and enable cloud syncing for seamless access, creating compelling content.
Australia
