OpenProject!

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. If needed, you can use advanced features like Custom Workflows, advanced security, restricted data access and more. Wrike is a powerful yet user-friendly solution that helps you achieve your project goals.

Todoist is a task manager thats useful, fast and easy to use.

Taiga is a full featured project management platform for startups and agile developers & designers who want a simple, beautiful tool that makes work truly enjoyable.

Asana is a web and mobile collaborative work management app that goes beyond typical collaboration software by enabling teams to track everything they're working on. With tasks, projects, conversations, and dashboards, Asana lets your team know who's doing what by when to help you get results. Use Asana for team communication, setting meeting agendas, running brainstorms, sharing files, or creating shared calendars--anything you can think of. You can also add partner integrations to customize Asana for your team with functionality like Gantt charts, time-tracking, and Google calendar sync. Asana is available on web, iOS, and Android and is free for teams of up to 15 people. »

Trusted by 11,000+ businesses, JIRA is the leading bug tracking, issue tracking and project management tool. JIRA combines issue tracking, agile project management, customisable workflow, and a pluggable integration framework to increase the velocity of your software development team.

Kanboard is a simple visual task board software.

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. If needed, you can use advanced features like Custom Workflows, advanced security, restricted data access and more. Wrike is a powerful yet user-friendly solution that helps you achieve your project goals.

Basecamp is a web-based project collaboration tool that allows groups of people to share files, meet deadlines, assign tasks, and centralize feedback.

Phabricator is a collection of open source web applications that help software companies build better software.

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. Almost any web browser should be able to function as a client. Moreover MantisHub is available as commercial hosted solution of MantisBT.

Microsoft Office Project gives you robust project management tools with the right blend of usability, power, and flexibility, so you can manage projects more efficiently and effectively. You can stay informed and control project work, schedules, and finances, keep project teams aligned, and be more productive through integration with familiar Microsoft Office system programs, powerful reporting, guided planning, and flexible tools.