Nextcloud is a server-side PHP application along with an ecosystem of client and server apps allowing users to synchronize, and share and collaborate on files, and contacts, and calendars and other data and can be installed on a private server. The code is free and open source, developed by the Nextcloud GmbH and the Nextcloud community.
☁️ Sync your bookmarks privately across browsers and devices
🗨️ Nextcloud Talk – chat, video & audio calls for Nextcloud
🗂 Kanban-style project & personal management tool for Nextcloud, similar to Trello
🔖 Bookmark app for Nextcloud
📆 Calendar app for Nextcloud
📰 RSS/Atom feed reader
💌 Mail app for Nextcloud
🔐 Open source password manager with Nextcloud integration
✎ Distraction-free notes and writing
📸 Your memories under your control
📇 Contacts app for Nextcloud
📑 Collaborative document editing using Markdown
📘 Nextcloud documentation
✍️ Nextcloud app to sign PDF documents
🌍🌏🌎 The whole world fits inside your cloud!
ocDownloader - AGPL-licensed multi-protocol download manager for Nextcloud using ARIA2, youtube-dl and Curl (supports Youtube, BitTorrent, HTTP, FTP)
📑 Collabora Online for Nextcloud
📝 Simple form & survey app for Nextcloud
Nextcloud Talk Desktop client