DropTask!

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. »

An easy to use, web-based to-do list. Get organized, stay motivated, and be more productive.

Created by the collaboration experts behind MindMeister, the intuitive online app MeisterTask lets you turn your visual brainstorms directly into agile projects, and export your creative ideas as actionable tasks.

Producteev is an online task management tool that serves as your full Productivity platform (Task and Project Management, Files Sharing, Internal Communication and Productivity Apps Aggregation).

A Kanban-inspired app for keeping track of things that need to get done.

Open source Trello-like kanban board. Based on Restya platform.

Opensource task & productivity management tool for startups, engineered based on the concepts of OKR.

Quire is a new-generation collaborative task management tool for organizing tasks in a tree-like structure wrapped in simple and user-friendly UI.

Buckets is a simple & intuitive task organization, cloud-based app that allows professionals & non-professionals alike to collaborate

Zenkit is a collaborative SaaS platform for project management, database building and more. Follow your data through its entire lifecycle, from fluid brainstorming and research through to a structured system for collaborative use. Zenkit is the flexible workspace you can use to organize anything.

Project management in general has a high tolerance for failure. Fewer than a third of all projects were successfully completed on time and on budget over the past year. It doesn't have to be that way, it shouldn't be that way. Imagine going to work, starting your computer and logging into an app which has all your projects, communication and files in one secure place. That's Taskworld. We are on a mission to make it easier for people to work together, no matter where they are.

Go For It! is a simple and stylish productivity app, featuring a to-do list, merged with a timer that keeps your focus on the current task. Go For It uses Todo.txt as a backend and the Pomodoro technique for the timer.