The Best 257 Challenge Achieved Alternatives

  • Taskade

    Taskade is a simple to-do list and task manager. You can instantly make a list and share it with your friends, family, and colleagues. Use Taskade to capture your ideas, goals, and daily tasks.

    Free Windows Android iPhone Chrome OS Web Mac Chrome

  • Stacks - Task manager

    Stacks is an easy to use task manager that helps to organize your tasks in an elegant and intuitive way.

    Commercial Mac OS X

  • Checklist

    Search thousands of checklists or make your own. Access them on any device with our 100% free To Do apps. Share them with friends and colleagues. Checklist.com is the world's largest database of free interactive checklists.

    Free Android iPhone iPad Web Kindle Fire

  • Invantive Vision

    Invantive Vision is an advanced software solution for companies executing projects. With project planning, allocation of employees and resources, cost and budget reports it allow effective completion of projects on budget and on time.

    Commercial Windows

  • Todomoo

    Todomoo is a todo manager specially designed to help you manage paid projects. Hierarchical tasks, payment details, timers and notes for each task. Supports task sorting by every main window column. Automatic backups and portable version.

    Free Open Source Windows

  • Natara Bonsai

    Natara Bonsai is a Palm OS and Windows Mobile outliner application with a Windows desktop client that also works as a full-featured standalone outliner and task manager.

    Commercial Windows Windows Mobile HP webOS

  • Total Text Container

    Total Text Container is a personal information manager that lets you to store all kinds of different content within a single encrypted XML database, including rich text, images, spreadsheets, URLs/passwords, contacts, calender events...

    Free Windows

  • GoodTask

    GoodTask 3 is a Powerful Task/Project Manager based on iOS Reminders & Calendars. You can use it as simple checklist to focus or as complex project management tool to get big things done.

    Freemium iPhone iPad Apple Watch

  • Ominder

    Keep track of all your Events with free SMS and Email notifications. Store and organize your Events and To-do on Ominder and never forget them again. Events include weather forecast for better planning.

    Free Mac OS X Windows Linux Android Windows Phone

  • Daymate

    Daymate is powerful GTD flavoured task management for iPhone, iPod Touch and iPad. Create projects and actions, add tags to actions, view actions by tag with tag mode, take advantage of the forecast by assigning due dates.

    Commercial

  • TaskUnifier

    TaskUnifier is a task management software based on the well-known GTD (getting things done) methodology. It will help you manage your tasks and therefore your time.

    Free Mac OS X Windows Linux

  • Healthy Habits

    Healthy Habits is a real-life game to help you live longer. It uses scientific research to help you find the habits that could increase the most your longevity.

    Free Android Android Tablet