FogBugz Alternatives for Linux

Trac is a mature open-source, web-based project management and bug tracking system. It integrates closely with version control systems and provides a wiki for documentation, making it a comprehensive tool for software development teams.

Mantis Bug Tracker is a free and open-source, web-based issue tracking system designed primarily for software defect tracking. It offers a straightforward interface and a range of features suitable for managing projects and tracking the lifecycle of bugs and issues.

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.

Phabricator is a comprehensive, web-based suite of tools designed to streamline software development workflows. It integrates code review, task management, bug tracking, internal documentation, and repository hosting into a single platform.

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.

YouTrack is a powerful and flexible bug tracker, issue tracking system, and project management software designed for development teams. It provides a centralized hub for managing projects, tracking tasks, reporting bugs, and collaborating efficiently, offering a highly customizable workflow and extensive integrations.

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.

Request Tracker (RT) is a highly customizable request tracking and workflow automation system written in Perl. It is extensively used by IT departments, customer support teams, and development organizations to manage tasks, issues, and communications with users effectively. RT provides a robust framework for handling diverse workflows, from simple helpdesk tickets to complex project management and bug tracking.