Bitrix24 Alternatives for Linux

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.

Odoo is a comprehensive suite of integrated business applications designed to streamline operations across various departments, from CRM and e-commerce to accounting and manufacturing. It provides a modular approach, allowing businesses to select and integrate the functionalities they need.

fluxday is a free and open-source task and productivity management solution designed specifically for growing startups, focusing on streamlined task workflows and team accountability.

Ora is a comprehensive, real-time project management platform designed for teams of all sizes. It offers a flexible and intuitive interface, enabling teams to manage tasks, track time, collaborate effectively, and streamline workflows within a single workspace. From agile methodologies to traditional project planning, Ora provides the tools necessary to enhance productivity and achieve project goals.

GanttProject is a free, open-source project scheduling and management application for Windows, Linux, and macOS. It allows users to create Gantt and PERT charts, manage resources, assign tasks, track progress, and generate reports.

eXo Platform is an open-source enterprise social collaboration platform designed to connect employees, share knowledge, and improve communication and productivity within organizations. It offers a comprehensive suite of tools including social networking, document management, project management, and real-time communication features.

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.

SugarCRM is a comprehensive Customer Relationship Management (CRM) platform designed to help businesses of all sizes optimize their sales, marketing, and customer service processes. It provides a single view of customer interactions, automates workflows, and offers powerful reporting and analytics to drive better decision-making.

HumHub is a free and open-source social network software and framework designed to empower teams and businesses with a platform for effective collaboration and communication. It provides a centralized hub for projects, tasks, and social interaction within an organization.

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.

OpenProject is a powerful, web-based open-source project management software designed for teams of all sizes. It offers comprehensive tools for managing projects, tasks, teams, and communication in one centralized platform. Ideal for organizations prioritizing collaboration, flexibility, and data control.

PMRobot was a project management software tailored specifically for the unique needs of software consulting companies. It offered tools for collaboration, task management, file sharing, and time tracking within project contexts.

Active Collab is a comprehensive project management platform designed for teams of all sizes. It offers a wide range of tools for task management, collaboration, time tracking, and invoicing, all integrated into one intuitive web-based interface, making it ideal for streamlining project workflows and boosting productivity.

GNOME Planner is a free and open-source project management software designed for individuals and small teams. It leverages the Work Breakdown Structure (WBS) methodology and provides tools for task management, resource allocation, and progress tracking.

SuiteCRM is a powerful, open-source Customer Relationship Management (CRM) software that provides a comprehensive suite of tools for managing customer interactions, sales processes, marketing campaigns, and support operations.

Nozbe is a robust task and project management application designed to help individuals and teams implement the Getting Things Done (GTD) methodology for enhanced productivity and collaboration. It offers a flexible environment for managing tasks, projects, and time effectively.

Sentrifugo HRMS is an open-source Human Resources Management System designed to streamline various HR functions. It offers a comprehensive suite of modules including employee management, attendance and time tracking, performance reviews, expense and asset handling, and powerful HR analytics. This on-premises solution provides businesses with a robust and flexible platform to manage their workforce effectively.

Rachota is a free, portable time tracking application designed for individual users, freelancers, or small teams managing multiple projects. It provides accurate tracking, insightful reports, and a simple interface without the need for installation or internet connectivity.

Dialog Messenger is a robust, feature-rich enterprise messaging solution designed for businesses prioritizing security, privacy, and control. Available for both private server deployment and cloud hosting, it facilitates secure text, voice, and video communication across multiple devices, enabling seamless collaboration and real-time interaction within organizations.

Buckets.co is a versatile workflow optimization and collaboration platform designed to enhance productivity across all levels of an organization. It leverages Kanban boards, robust task management, and real-time collaboration features to streamline projects and boost team performance.