Redmine is described as 'Flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database' and is a very popular project management tool in the office & productivity category. There are more than 100 alternatives to Redmine for a variety of platforms, including Web-based, SaaS, Windows, Mac and iPhone apps. The best Redmine alternative is Trello, which is free. Other great apps like Redmine are AFFiNE, SourceForge, Taiga.io and Kan.bn.
Mantis Bug Tracker is a free and open source, web-based bug tracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver. MantisBT can be installed on Windows, Linux, Mac OS, OS/2, and others.
Widget Board is a productivity tool that lets you create custom boards with your favorite widgets such as tasks, notes, media, date & time, weather, calendar and so much more!.
Replace a multitude of services and apps with a single ecosystem for your business to work in. Explore the tools of Bitrix24.
Enhance your software project's management by efficiently tracking sprints, tasks, and bugs. Linear is designed for optimal performance for developers, offering real-time synchronization and keyboard shortcuts, easy offline access, and light or dark mode UI options across multiple teams.
Smartsheet is a web-based project management, task management and work collaboration software.
Open-source platform unifying project, document, issue, and task management with real-time team collaboration, instant messaging, video conferencing, and GitHub bidirectional sync, all in one customizable workspace for developers and product teams.
Adaptive suite integrating project, IT service, and source code management for technology teams, featuring time tracking, issue and document management, customizable dashboards, third-party integration, agile and waterfall support, and cloud deployment options.
Tuleap is the first fully libre and open source software (GPL licence) for Enterprise Application Lifecycle Management. Tuleap is provided by the Enalean company and the community members.
Better UI, native integrated tools, support scrum and kanban
Redbooth (formerly Teambox), the cloud-based company redefining collaboration and business communications. Easily organize teams and projects to ensure visibility and accountability, enabling your team to get more accomplished.
A project management tool that can be adapted to your processes to help you deliver great products. Track tasks and bugs, plan sprints and releases, create workflows, and customize YouTrack for your business processes. Never force your process to fit the limits of a tool again.
Comprehensive platform for managing client work operations with features like project management, communication facilitation, resource management, and time tracking. It ensures profit optimization, efficient task planning, and decision-making through data, while preventing burnout by balancing workloads.
Ship awesome Software! Planio is your all-in-one platform, complete with Issue Tracking, Project Management, Version Control, Help Desk, Wikis and Chat.
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It's a bilateral relation because redmine is first a good alternative to Mantis I prefer mantis for complex projects