Apps similar to One Thing include Super Productivity, which is free and open source. Other options are Todoist, TickTick, Workflowy and Tasks.org. Todo List Managers like One Thing are a crowded field, with more than 100 alternatives for the web, Mac, Android, iPhone and Windows.
Conqu is an easy to use yet powerful task management tool designed to help you conquer your inbox and get things done. With Conqu, you can organize the tasks by criteria that makes sense to you and then find the right task to do at the right time and place.
United States
Decentralized, Offline-first, Personal Information Manager (PIM) using PouchDB/CouchDB. Includes task-, note-, and contact-management, as well as journaling.
Upwave is a visual productivity platform that helps modern businesses thrive. Organize, plan, track, collaborate and get things done.
Norway
United Kingdom
Pocket Lists is a beautifully designed checklist app for managing to-do lists, focusing on important tasks, and collaborating on checklists and tasks with friends. The app excels as both an everyday to-do list organizer with sophisticated reminder functionality, and as a...
United States
Obviously we are big fans of David Allen's "Getting Thing's Done" methodology. In an effort to bring GTD software online, we created Vitalist. It implements every step of David Allen's "Getting Things Done" methodology so you don't have to keep track of it yourself.
Manage diary/note, schedule, todo, birthday, etc.
Indonesia
Tasque is a simple task management app (TODO list). The main window has the ability to complete a task, change the priority, change the name, and change the due date without additional property dialogs.
United States
Infinity is an all-in-one project management platform where you can organize anything, your way.
Portugal
EU
Todo.ly is an intuitive and easy to use online Todo list, and Task Manager. It helps you to get organized, simplify your life, and to get things done. Create todo lists, and manage them online from anywhere.
HungaryEU
GQueues is the premier task manager for Google and G Suite users. GQueues tracks millions of tasks for people, companies and organizations worldwide. Designed with a focus on simplicity, GQueues stays out of your way so you can get things done.
United States
