ZenTao is described as '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' and is a Project Management Tool in the Development category. There are more than 100 alternatives to ZenTao for a variety of platforms, including Online / Web-based, Windows, Mac, Linux and iPhone. Most alternatives are Project Management Tools and Kanban Boards. The best alternative is Quire, which is free. Other great apps like ZenTao are SourceForge (Free), Redmine (Free, Open Source), Basecamp (Freemium) and Taiga.io (Freemium, Open Source).
OpenProject is an open-source project management software with a wide set of features and plugins. It supports project timelines / Gantt charts, issue tracking, wiki, document management, time and cost reporting, code management, Scrum and much more.
Wrike's end-to-end solution takes your projects from initial request to tracking work progress and reporting results. With Wrike, you'll be able to create and delegate tasks, track deadlines, visualize your plans on the Gantt chart, and share reports.