Open Source Spreadsheet Apps

Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools.

Open-source suite for editing documents, spreadsheets, presentations, forms, and PDF files with co-editing modes, plugin support, AI assistant, and integration across 40+ platforms.

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.

Apache OpenOffice is a leading open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, databases and more. All data is stored in an open standard format, though Open Office can also read and write files from other common...

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.

End-to-end encrypted online spreadsheets enabling secure, real-time collaboration, access management, automatic calculations, and cross-device sharing for team data analysis.

NocoDB is a feature-rich, open source #NoCode platform that turns any database into a smart spreadsheet similar to Airtable.

Enterprise-ready on-premise suite with advanced word processing, spreadsheet, and presentation tools, maximizing interoperability and file compatibility.

Baserow is the secure, open-source platform for building databases, applications, automations, and AI agents — all without code. Trusted by over 150,000 users, Baserow delivers enterprise-grade security with GDPR, HIPAA, and SOC 2 Type II compliance, plus cloud and self-hosted...

Transform data with an open-source interface using relational databases and Python engines. Collaborate in real-time with custom permissions for security.

Calligra Suite is an office and graphic art suite by KDE. It contains applications for word processing, spreadsheets, presentation, vector graphics, and editing databases.

Access LibreOffice in your browser with ZetaOffice, offering self-hosted or CDN options, customizable API integration, and full data control.

The democratization of spreadsheets. Empowering everyone with advanced, open-source spreadsheet solutions.

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!

The Gnumeric spreadsheet is part of the GNOME desktop environment: a project to create a free, user friendly desktop environment.

Collabora Online is a powerful LibreOffice-based online office suite with collaborative editing, which supports all major document, spreadsheet and presentation file formats and works in all modern browsers.

Calc, part of the Apache OpenOffice suite, is a spreadsheet application. It is similar to Microsoft Excel , with a roughly equivalent range of features.

NeoOffice is an office suite for Mac that is based on OpenOffice and LibreOffice. With NeoOffice, you can view, edit, and save OpenOffice documents, LibreOffice documents, and simple Microsoft Word, Excel, and PowerPoint documents.

AndrOpen Office is a independent port of Apache OpenOffice for Android.

You can view, edit, import, and export PDF, Word, Excel & PowerPoint documents using full features of the OpenOffice in the PC version.

AndrOpen Office has 5 components: Writer a word processor you can.

SC-IM - Spreadsheet Calculator Improvised – An ncurses spreadsheet program for the terminal.

AITable is a revolutionary no-code AI development platform that makes building your own AI ChatGPT with tables in 1-Click. By utilizing your unique data, AITable allows you to train your own version of the advanced ChatGPT system, serving as a 24/7 AI customer service chatbot or...

Calligra Sheets is a fully-featured calculation and spreadsheet tool. Use it to quickly create and calculate various business-related spreadsheets, such as income and expenditure, employee working hours, etc.

mtCellEdit is a lightweight spreadsheet program. It is a small, no frills program which is designed to handle simple day to day spreadsheet tasks.

SolidSheets offers a user-friendly interface and powerful features to manage and analyze your data. Easily open, edit, and print CSV, SSFS/SSFS64, and XLSX files. With advanced formulas, charts, and machine learning algorithms, accelerate your workflow.

SheetAtlas is a desktop application for professionals who work with multiple Excel files and need to quickly search for entries across all of them and compare matching rows.