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.




OpenProject is described as 'Open source software offering project timelines, issue tracking, and document management with robust security and flexible management options' and is a very popular project management tool in the office & productivity category. There are more than 100 alternatives to OpenProject for a variety of platforms, including Web-based, SaaS, Windows, Mac and iPhone apps. The best OpenProject alternative is Trello, which is free. Other great apps like OpenProject are AFFiNE, Asana, Taiga.io and Kan.bn.
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.




Ship awesome Software! Planio is your all-in-one platform, complete with Issue Tracking, Project Management, Version Control, Help Desk, Wikis and Chat.




Whether you plan your day, organize a camping trip or lead a work project, Freedcamp is in the center of it all. Our free plan has tasks(in list and kanban view), milestones, discussions, calendar, time-tracking and password management.




Codecks is a project management tool inspired by Collectible Card Games. We removed all the bloat, and made software that helps you stay sane and deliver your milestones.




ONLYOFFICE Projects, part of the ONLYOFFICE suite, is an app created for everyone who wants to bring ease to project communication, keep up team productivity, get quick access to the assignments, and control progress.




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.



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.

ZenTao is an open source project management tool, supporting Scrum. It integrates product management, project management, bug management and QA management, etc., covering all lifecycle of software development.




TaskView is a self-hosted modern task and project manager built for flexibility, clarity, and control.




GoodDay is a project, product and work management platform that gives teams the best tools for planning, day-to-day work, and continuous improvement of all processes based on transparency, accountability, agility, and recognition.




Online Gantt project management with interactive drag-and-drop scheduling, real-time team collaboration, multi-view display, cost-loaded tracking, resource balancing, customization, risk management tools, templates, centralized tasks, and live timeline sharing.




Planka is a Trello-like realtime kanban board for workgroups built with React and Redux.



