Linux Softwares to Multiple Account support

Funkwhale is a free and open-source, self-hostable platform for sharing music. It's a decentralized, community-oriented alternative to commercial music streaming services, built on ActivityPub for federation and offering features like music streaming, library management, playlists, and podcast support.

Station is a powerful, open-source application aggregator and web browser designed to streamline access to all your web services in one unified interface. It provides a dedicated workspace for productivity, integrating messaging, project management, email, and other web apps.

Mailspring is a modern, fast, and free desktop email client for Mac, Windows, and Linux. It offers a beautiful interface, powerful features like unified inbox, email tracking, and broad platform support for an enhanced email experience.

Postfity is a comprehensive social media management tool designed for scheduling posts across multiple platforms like Facebook, Twitter, Instagram, and LinkedIn. It simplifies content planning, team collaboration, and performance analysis, helping businesses and individuals save time and enhance their social media presence.

Gmvault is a free, open-source command-line tool designed to backup and restore your Gmail account. It provides a simple and efficient way to create local copies of your entire email history, offering peace of mind and accessibility to your data.

Tkabber is a free and open-source instant messaging client specifically designed for the XMPP protocol. Built with the Tk toolkit, it offers a lightweight yet extensible platform for text-based chat, group conversations, and various interactive functionalities supported by XMPP.

Ledger is a robust command-line accounting system based on the double-entry method. Ideal for users who prefer powerful text-based tools for managing finances, tracking investments, budgeting, and generating detailed financial reports.

Skrooge is a robust, open-source personal finance management application designed to empower users to take control of their money. It offers a comprehensive suite of tools for tracking income and expenses, managing multiple accounts, budgeting, tax preparation, and investment monitoring.

Phoenix OS is a free operating system designed for personal computers, built upon the Android platform. It aims to provide a desktop-like experience, allowing users to run Android applications on traditional PC hardware with keyboard and mouse support.

Harmony Music Player is a versatile desktop client that unifies your music streaming services and local audio files into a single, sleek interface. Designed for music lovers who subscribe to multiple platforms like Spotify, Google Play Music, and SoundCloud, Harmony provides a streamlined listening experience with powerful features.

Grisbi is a robust, open-source personal financial management application designed to help users track their income and expenses, manage budgets, and gain insights into their financial health through comprehensive reporting.

FrontAccounting (FA) is a comprehensive, web-based ERP and accounting system designed for small to medium-sized businesses. It offers a wide range of modules covering financial accounting, inventory management, sales, purchases, and manufacturing.

Gmail Notifier (restartless) is a seamless browser extension for Chrome and Firefox, providing real-time notifications for new emails across all your connected Google Mail accounts and labels. Stay updated without constantly checking your inbox, streamlining your email management.

Kontact is a comprehensive personal information management suite from KDE combining email, contacts, calendar, tasks, and news in one integrated application. It offers robust synchronization options and supports various protocols.

Nessus Professional is a widely-used vulnerability scanner by Tenable, designed to identify security vulnerabilities in a variety of systems nationwide. It helps organizations manage their security posture by providing comprehensive scans, detailed reporting, and integration with other tools for remediation.

ZNC is a highly configurable IRC bouncer designed to maintain a persistent connection to IRC networks, allowing users to detach and reattach with their IRC client without losing context. It ensures you stay connected and informed even when your client is offline.

KMail is a powerful and flexible email client tightly integrated with the Kontact personal information manager suite. Part of the KDE ecosystem, it offers robust features for managing your email, including strong encryption options, support for multiple protocols like IMAP, POP3, and Exchange, and seamless integration with other Kontact components like the calendar and address book.

Moneydance is comprehensive personal finance software for managing bank accounts, credit cards, investments, and budgets. It offers online banking, transaction syncing, and detailed financial reporting.

Rambox is a FOSS and portable messaging and emailing application that consolidates numerous web services into a single, convenient interface. It supports a wide array of communication and collaboration platforms, including popular chat, email, and social media services, offering a unified experience with features like unified inbox and notifications.

Sandstorm.io is a self-hostable platform designed to empower users to run web applications securely on their own servers while ensuring strong privacy and sandboxing for each application instance.

Insync is a powerful desktop client for various cloud storage services, including Google Drive, Dropbox, OneDrive, and more. It offers features like multi-account support, selective sync, network drive mapping, and robust backup capabilities for users looking to integrate their cloud storage seamlessly with their desktop environment.

Choqok is a free, open-source microblogging client designed for the K Desktop Environment. It provides a unified interface to manage multiple social media accounts, primarily focused on Twitter and Identica.

Money Manager Ex (MMEX) is a free, open-source, cross-platform personal finance software designed for easy money management. It offers tools for budgeting, expense tracking, and financial reporting across various accounts, suitable for beginners and those seeking a straightforward approach.

Mutt is a highly configurable, text-based email client for Unix-like systems. It offers powerful features for advanced users who prefer a lightweight and efficient email management experience directly from the command line.

Nylas Mail, an extensible open-source email client, offers a unified inbox, robust search, and calendar integration. It supports multiple accounts and provides features like email tracking and undo send, aiming to enhance productivity and email management for users.

Fretsi is a social knowledge platform designed to transform how we consume and share information. It serves as an intelligent RSS feed reader and news aggregator, allowing users to curate, filter, and discover content from diverse sources. Beyond aggregation, Fretsi fosters a community where knowledge is valued, making it a rewarding experience for both readers and contributors.

Remix OS is an Android-based operating system designed for personal computers, offering a familiar desktop experience with access to a vast library of Android applications. It aims to bridge the gap between mobile and PC by providing multi-window support, taskbar functionality, and keyboard/mouse optimization.

Geary is a modern email client designed for the GNOME desktop, emphasizing a conversational view for streamlined email management. It offers a clean interface, supports multiple accounts, and integrates with the GNOME environment to provide a cohesive user experience for organizing and sending emails.

Franz is a free, open-source application that consolidates multiple messaging and chat services into a single, convenient interface. It allows users to manage conversations across platforms like WhatsApp, Telegram, Slack, and more without switching between different apps.

Claws Mail is a powerful yet lightweight, open-source email and news client built on GTK+. It's known for its speed, stability, rich feature set, and high degree of customization, making it an excellent choice for users demanding control and efficiency.