The best open source alternative to CryptPad is LibreOffice. If that doesn't suit you, our users have ranked more than 50 alternatives to CryptPad and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to CryptPad are ONLYOFFICE, Apache OpenOffice, Cryptee and Proton Docs.
Comprehensive free office suite supporting word processing, advanced spreadsheets, dynamic presentations, vector drawings, math formulas, and robust database management. Fully compatible with major office formats across all operating systems, it offers extensive capabilities for personal or professional tasks.
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.
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...
Encrypted, privacy-focused digital storage with zero-knowledge architecture supporting document editing, notes, journals, and photo storage with raw DSLR support, live sync, markdown, code, LaTeX, to-dos, audio, tables, EPUB, PDF, and cross-platform access.
Docs in Proton Drive are end-to-end encrypted so your work stays safe from data breaches, online surveillance, and can never be fed into AI models.
On-premise office suite featuring advanced word processing, spreadsheets, and presentations, unmatched compatibility with 100+ formats, OOXML support, six-month updates, enterprise hardening, Visio and Publisher import, PDF export, and support for 50+ languages.
Provides end-to-end encrypted note-taking, file storage, and sketching with syncing across platforms, zero data collection, no personal info or passwords required, open-source code for transparency, and optional premium storage, all via native and CLI tools.
Trustless collaboration platform with decentralized file-sharing, collaborative editing, cheap storage, privacy controls, onchain team and community access, website and blog publishing, open workflows, customizable spaces, and alternatives to traditional online suites.
Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time.
Calligra Suite is an office and graphic art suite by KDE. It contains applications for word processing, spreadsheets, presentation, vector graphics, and editing databases.
Secure device-synced notepad using AES-GCM-256 encryption to protect confidential data. Features include a tree-structure for note organization, historical changes tracking, and collaboration options. Supports all major platforms with cloud sync and offline access.
Nextcloud is the most deployed on-premises file share and collaboration platform. Access & collaborate across your devices. As fully on-premises solution, Nextcloud Hub provides the benefits of online collaboration without the compliance and security risks.
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LibreOffice must be installed on your computer/smartphone in order to be able to edit documents, it isn't an online collaboration suite.