Apps to File sharing

Zentyal is a comprehensive open source server solution based on Ubuntu, providing critical network services such as email, groupware, file sharing, and network infrastructure roles like directory services and gateway functions, all managed through an intuitive web interface.

GNU MediaGoblin is a free and decentralized web platform designed for hosting and sharing various forms of digital media. It empowers users to create their own media hosting instances, fostering a distributed and censorship-resistant network for images, videos, audio, and more. Emphasizing user control and open standards, it provides a community-driven alternative to centralized media platforms.

LogicalDOC is a robust, web-based document management system designed to streamline the creation, sharing, and management of documents within organizations. It offers features for collaboration, workflow automation, and secure document storage.

Turtl is a secure and private note-taking, bookmarking, and document storage application. It utilizes strong client-side encryption to ensure that only you and authorized collaborators can access your sensitive information, making it ideal for managing confidential projects and data.

Restyaboard is a robust, open-source Kanban board alternative to Trello. It is designed for project management and team collaboration, offering a visual way to manage tasks, track progress, and communicate effectively.

ChatSecure is a privacy-focused messaging application for iOS that leverages the robust and decentralized XMPP protocol. It offers strong end-to-end encryption using OTR and OMEMO, ensuring confidential communication.

Dukto R6 is a straightforward, cross-platform file transfer application designed for local network use. It simplifies sharing files and folders between devices without complex configurations or external servers.

TorChat is a defunct decentralized anonymous instant messenger leveraging Tor hidden services for secure text communication and file sharing without central servers.

LibrePlan is a powerful, open-source web-based project management application designed to help organizations effectively plan, manage, and monitor projects. It offers robust features for task scheduling, resource allocation, collaboration, and reporting, all accessible through a standard web browser.

IPFS is a peer-to-peer hypermedia protocol designed to make the web faster, safer, and more open. It allows for storage and access to files across a distributed network, rather than relying on centralized servers.

Tribler is a free and open-source BitTorrent client enhanced with a focus on privacy, security, and decentralized content discovery. It allows users to download torrents while providing anonymity and built-in features for finding content directly within the application, eliminating the need for traditional torrent search websites.

Samba is a powerful suite of programs that bridges the gap between Linux/Unix servers and Windows clients, enabling seamless file, print, and directory services.

ClearOS is a robust Linux distribution serving as a comprehensive server solution for small to medium-sized businesses. It provides a unified platform for networking, gateway, and server functions with a user-friendly web-based interface.

Ekiga, formerly known as GnomeMeeting, is a free and open-source VoIP and video conferencing application. It allows users to make audio and video calls to other compatible SIP/H.323 clients and even landlines/mobile phones via integrated third-party services, offering a versatile communication solution.

HFS (HTTP File Server) is a user-friendly HTTP server specifically designed for effortlessly sharing files. Its portable nature allows anyone to quickly share files by simply dragging and dropping them into the application window, negating the need for complex server setups.

aMule is a free and open-source peer-to-peer file sharing application designed for flexibility and decentralization. Supporting the robust eDonkey and Kad networks, it offers a secure and privacy-focused approach to finding and sharing digital content across multiple platforms.

rTorrent is a powerful and resource-efficient command-line BitTorrent client for Unix-like systems. Built on the advanced libTorrent library, it offers high performance and extensive configurability, making it ideal for users seeking control and automation.

Cozy is a personal cloud platform designed to give users control over their digital lives. Store, sync, and share your photos, files, contacts, and calendar in a private and secure environment. It offers a suite of integrated applications to manage your data.

Nextcloud is an open-source, self-hosted platform for file synchronization, sharing, and collaboration. It provides a private alternative to commercial cloud storage services, offering a comprehensive suite of tools including file management, calendar, contacts, and notes, all under your control.

Linphone is a free and open-source Voice over IP (VoIP) application and SIP client available on multiple platforms. It enables encrypted voice and video calls, instant messaging, and file sharing, offering a privacy-focused communication solution.

FrostWire is a powerful, free, and open-source BitTorrent client with integrated search, media player, and support for various file-sharing protocols. It simplifies downloading and sharing large files, including music, videos, and software, while offering features like YouTube and Soundcloud downloading.

eMule is a veteran free peer-to-peer file sharing client for Windows, connecting to both the eDonkey and Kad networks for robust file transfers worldwide.

Asterisk is the world's most popular open source framework for building communications applications. It transforms ordinary computers into sophisticated communications servers, enabling the creation of custom PBX systems, VoIP gateways, conference servers, and other tailored solutions for businesses of all sizes.

Digsby was a multi-protocol instant messaging client that unified connections to various chat networks and social media platforms. It allowed users to manage their conversations and updates from services like Aim, Msn, Yahoo, Twitter, Facebook, and Myspace all within a single, integrated application.

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.

Tox is a free, open-source, and secure peer-to-peer instant messaging and video calling protocol designed for strong privacy and censorship resistance. It provides end-to-end encrypted communications without reliance on central servers.

Redmine is a robust and flexible open-source project management web application designed to help teams manage projects, track issues, and collaborate effectively. It offers a wide range of features, including multi-project support, Gantt charts, time tracking, and extensive customization options through plugins and themes.

Cyberduck is a free, open-source client for file transfer, supporting FTP, SFTP, WebDAV, and major cloud storage services. It provides a user-friendly interface for managing files on servers and in the cloud.

Deluge is a free, open-source BitTorrent client offering a lightweight and cross-platform solution for downloading and sharing files. Known for its extensibility through plugins, it provides users with a customizable and efficient torrenting experience.