Best LibreOffice – Calc Alternatives: For Spreadsheets in 2025
Looking for LibreOffice – Calc Alternatives and best for Spreadsheets? Maybe you want a fresher look, advanced features, cloud storage, or easier collaboration with teams worldwide. While LibreOffice Calc is loved for being free and open source, plenty of other tools can give it a run for its money, offering a mix of unique features suited for everyone from students to business professionals. Whether you need something lightweight, cloud-based, or super flexible, this post gathers the best options for you to try out in 2025.
Top 10+ Alternatives for LibreOffice – Calc in 2025
1. Microsoft Excel Online
Microsoft Excel is the most popular spreadsheet tool in the world, and its online (cloud) version keeps improving. Perfect for those who need advanced analytics and collaboration built into their workflow.
- Real-time collaboration on spreadsheets.
- Supports all major Excel functions and formulas.
- Integrates with OneDrive and Microsoft Teams.
- No installation required, works in any browser.
- Familiar interface for long-time Excel users.
2. Google Sheets
A cloud-based spreadsheet solution, Google Sheets offers ease of use, simple sharing, and solid compatibility with Excel files. It’s ideal for group projects and remote teams.
- Real-time collaboration and editing.
- Many add-ons and integration with other Google apps.
- Built-in chat and comment system.
- Accessible anywhere with an internet connection.
- Offline mode also available.
3. OnlyOffice Spreadsheet Editor
OnlyOffice’s Spreadsheet Editor brings a familiar interface and supports collaborative work, making it a good choice for businesses and private users.
- Compatible with major spreadsheet formats (XLSX, ODS, CSV).
- Simultaneous editing and robust permission controls.
- Can be used online or self-hosted for data privacy.
- Integrated with document and project management tools.
4. Zoho Sheet
Zoho Sheet makes spreadsheet work collaborative and insightful, offering excellent automation and import/export features.
- Collaborate with team members in real time.
- AI-powered data analysis and clean-up tools.
- Integrates smoothly with Zoho Workplace suite.
- Version history and auto-save features.
5. WPS Office Spreadsheets
WPS Spreadsheets is popular for its compatibility with Excel formats and a modern, easy interface. Great for personal and business use with plenty of handy templates.
- Supports XLS, XLSX, and CSV files perfectly.
- Clean, ribbon-style interface for quick adaptation.
- Available for Windows, MacOS, Linux, Android, and iOS.
- Rich template gallery for fast spreadsheet creation.
6. SeaTable
SeaTable combines the features of a spreadsheet and a flexible database. It’s best for organizations managing projects, workflows, or data-heavy tasks.
- Link records across tables just like a database.
- Supports collaboration and real-time editing.
- Self-hosting option for ultimate data control.
- Automation and API access for power users.
7. EtherCalc
This open-source, web-based spreadsheet tool is excellent for instant collaboration and fast, anonymous access (no login needed).
- Spreadsheets are created and shared instantly via link.
- No signup or download required – 100% online.
- Good privacy and no tracking.
- Supports basic spreadsheet commands and functions.
8. Airtable
Not your average spreadsheet, Airtable blends spreadsheet simplicity with the power of a database. Suitable for creative teams and businesses that need data organization and workflow tools.
- Visually rich data views (grid, kanban, gallery, calendar).
- Automations and integration with popular apps.
- Real-time collaboration and easy sharing.
- Rich API for developers and businesses.
9. Smartsheet
Smartsheet is built for business teams that need more than standard spreadsheet calculations—it’s great for project management and automation.
- Advanced project and task management features.
- Gantt charts, dashboards, and resource tracking.
- Collaborative editing and workflow automations.
- Integrates with major business apps and services.
10. CryptPad Spreadsheets
If privacy is your top concern, CryptPad Spreadsheets is a great pick. This encrypted, collaborative office suite keeps your information safe and secure.
- End-to-end encrypted spreadsheets.
- No registration needed for basic use.
- Open-source and privacy-focused.
- Easy online sharing with control over permissions.
11. Gnumeric
Gnumeric is a lightweight, free, and open-source spreadsheet program with advanced calculation tools and a familiar interface for Linux users.
- Highly precise numerics and scientific functions.
- Efficient and fast, ideal for older machines.
- Imports and exports various spreadsheet formats.
- Available for Linux and as a Windows port.
12. Quip Spreadsheets
Quip combines spreadsheets, docs, and chat into one interface. Best for teams who want context around their data and conversations directly inside their spreadsheets.
- Collaborative spreadsheets with built-in chat.
- Integration with Salesforce and many other business apps.
- Works on desktop, web, and mobile devices.
- Easy version history and sharing controls.
Conclusion
There’s a huge world beyond LibreOffice – Calc, and whether you need real-time collaboration, advanced analytics, privacy, or automation, these alternatives can meet your needs. If you’re feeling limited by Calc or want something that fits your workflow better, give one (or more) of these a try. The right spreadsheet tool can have a huge impact on your productivity and even make working with data fun again!
Frequently Asked Questions
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What is the best LibreOffice – Calc alternative for real-time collaboration?
Google Sheets and Microsoft Excel Online are both excellent for real-time collaboration with robust sharing features.
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Are there free spreadsheet alternatives that don’t require a login?
Yes, both EtherCalc and CryptPad Spreadsheets offer online spreadsheet editors with no sign-up needed for basic use.
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Which alternative is best for privacy-focused users?
CryptPad Spreadsheets is designed for end-to-end encryption and maximum privacy.
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Can these alternatives open and save Excel files?
Most modern alternatives, such as OnlyOffice, WPS Spreadsheets, and Zoho Sheet, support importing and exporting XLS/XLSX files.