Mantis Bug Tracker Alternatives for Linux

GitHub is the leading web-based platform for version control and collaboration, built around the Git version control system. It empowers developers and teams to host, manage, and review code, track issues, and build software together in an efficient and transparent manner.

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.

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.

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.

The Bug Genie is a comprehensive free and open-source web-based platform for project management and bug tracking. It offers robust tools for team collaboration, task management, workflow customization, and integration with various development and communication tools.

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.

Flyspray is a powerful yet lightweight, web-based bug tracking system designed to streamline software development and project management workflows. Built in PHP, it offers a customizable platform for tracking bugs, managing tasks, and fostering team collaboration.

FogBugz is a comprehensive web-based project management system designed to streamline development workflows. It integrates bug and issue tracking, project organization, team collaboration, and customer support features into a single platform, making it ideal for software development teams of all sizes.

Tuleap Open ALM is a comprehensive open-source platform designed for agile project management and software development teams. It integrates various tools like Git, Kanban, Scrum, and issue tracking into a single, unified environment.

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.