Top Alternatives to Flyspray

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.

TeamClerk is a comprehensive project and task management software designed for teams of all sizes. It facilitates seamless collaboration, task organization, and project tracking through intuitive features like Kanban boards, Gantt charts, and real-time updates. Manage your projects efficiently and enhance team productivity with TeamClerk.

Jira, developed by Atlassian, is a leading issue and project tracking software primarily used by software development teams. It offers flexible workflows, powerful reporting, and seamless integration with other development tools, making it ideal for agile methodologies like Scrum and Kanban.

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.

Yodiz is a comprehensive agile project management suite offering robust tools for Scrum and Kanban methodologies. It provides visual boards for all key agile artifacts like Sprints, Releases, Backlog, Epics, and Issue tracking, making it easy for teams to visualize and manage their workflow effectively.

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.

Bugzilla is a robust, web-based bug tracking system designed to help individuals and organizations manage project development.

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.

GoodDay is a comprehensive work management platform designed for teams of all sizes, offering robust tools for project management, task tracking, team collaboration, and workflow automation. It caters to various methodologies like Agile and traditional, providing a centralized hub for planning, execution, and monitoring of work, ultimately enhancing productivity and streamlining operations across organizations.

Fossil is a simple, high-reliability, distributed software configuration management system designed for ease of use and integration.

SprintGround is a free task management platform tailored for small software development teams and freelancers. It offers a robust set of tools to streamline project planning, task tracking, and team collaboration.