Android Apps to Self-hosted in intranet or private cloud

FileCloud is a comprehensive Enterprise File Services platform offering secure file sharing, sync, and backup solutions with strong data governance and endpoint protection capabilities.

favattic is a cloud-based online bookmark manager designed for individual and collaborative use, offering features for organizing, sharing, and annotating web content.

Hack Chat is a refreshingly simple and open-source chat application designed for immediate, no-nonsense communication. Forget complex sign-ups and cluttered interfaces; Hack Chat gets you talking instantly in various channels.

Mintstash is a comprehensive personal data management platform designed to provide secure access, backup, and synchronization of your valuable information across devices and storage locations. It offers control over your data with options for self-hosting and strong encryption.

vBoxxCloud offers secure file sharing and collaboration with robust security features, keeping your data private and accessible from anywhere.

Mattermost is an open-source, self-hosted platform for secure team collaboration, offering a Slack-alternative with emphasis on data control, privacy, and customizability. It provides a range of communication and project management tools for distributed and technical teams.

Syncplicity is a robust file synchronization and sharing platform designed for businesses, offering secure cloud storage, collaborative tools, and granular control over data.

Seafile is a powerful and secure file-hosting and collaboration platform designed for teams and businesses. It offers robust file synchronization, sharing, and versioning capabilities, with a strong focus on privacy and control through both cloud and self-hosted options.

TeamDrive is a robust software solution specializing in secure file synchronization and sharing with an emphasis on end-to-end encryption. Designed for collaborative work, it ensures data privacy and compliance, making it ideal for businesses requiring high levels of data protection and user-controlled hosting options.

Whaller is a secure and private team collaboration platform that enables organizations to create their own internal social networks, ensuring data privacy and control away from public social media platforms. It offers a comprehensive suite of tools for communication, file sharing, task management, and project organization.

Jitsi is a free and open-source suite of secure, flexible communication tools. It offers multi-platform support for voice (VoIP), video conferencing, and instant messaging, emphasizing privacy and ease of use with no account required to start a meeting.

Syncthing is a free, open-source peer-to-peer file synchronization application that allows you to sync files between multiple devices in real-time. It is designed to be decentralized and replaces proprietary cloud services with a trusted, private network.

NewsBlur is a sophisticated personal news reader that brings the content of your favorite websites directly to you. It emphasizes a user-friendly approach to consuming news by allowing you to read the original stories on their native sites, or within a distraction-free text view. With powerful filtering and organization tools, NewsBlur helps you cut through the noise and focus on the content that matters most to you.