Nextcloud
Nextcloud calls itself «a safe home for all your data» and positions itself as a file sync and share platform with access, sync, sharing, and collaboration across web, desktop, and mobile devices.
Nextcloud is available On-Premises / Self-hosted and as SaaS. The software is actively maintained and licensed under AGPL-3.0. It is built with PHP and JavaScript. Nextcloud offers commercial support and subscriptions but, according to its own description, uses neither an Open Core model nor proprietary extensions.
Fact Sheet
- Categories
- Status
- Actively maintained
- License
- AGPL-3.0
- Operation
- On-Premises / Self-hosted
- SaaS
- Technologies
- PHP
- Single Sign-On (SSO)
- Yes: Open source Source
- MCP server
- Unknown: not specified
Integrations
- Nextcloud → Documenso (official)
- Website / Source code
- Nextcloud → Paperless-ngx (official)
- Website / Source code
- Nextcloud → SimpleDMS (official)
- Website / Source code
Open-Source Alternatives
In the Category «Calendar»
ERPNext
ERPNext combines accounting, quotes, invoices, and time tracking with subscription and contract management in one web application.
- Accounting
- Appointment Scheduling
- Calendar
- Contracts
- CRM
- ERP
- Invoicing
- Project Time Tracking
Odoo Community
Odoo Community brings together sales, purchasing, inventory, invoicing, calendar, and time tracking in a modular business suite.
- Calendar
- CRM
- Employee Time Tracking
- ERP
- Invoicing
- Project Time Tracking
SOGo
SOGo combines calendars, contacts and webmail to help teams organize appointments and communication.
- Calendar
XWiki
XWiki manages company knowledge and public wiki pages with a visual editor, search, versioning, and access rights. An optional paid app adds team calendars.
- Calendar
- CMS
- Knowledge Bases