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.
Trello like kanban board. Tasks, to-dos, chat, etc., Restyaboard is based on Restya platform with dual License (OSL 3.0 & Commercial License).
India
StepList is a productivity app for important routines. Create, manage, share, and perform checklists. Stay focused and never miss a step with StepList.
United States
MyInfo is a personal information manager for Windows. It will help you capture, organize, edit and share ideas, documents, tasks, and web pages.
Bulgaria
EU
Notational Velocity is a mouseless application for storing and retrieving notes.
United States
Simple GTD application to manage your tasks and to-dos. Syncs with web server. Complete with the usual Inbox, Today, Next, Tomorrow, Scheduled and Someday "buckets" as most GTD programs have. You can also create Projects for tasks with multiple steps.
China
Chimeful is a customizable reminder app for macOS that helps you stay focused, mindful, and active with gentle, non-intrusive chimes—perfect for ADHD minds or anyone craving better flow.
Clear is a colorful canvas for your thoughts, plans and goals. Here's what makes it uniquely fun and effective.
United States
Provides project and task organization for teams or individuals, featuring file sharing, commenting, offline access, reminders, deadline tracking, calendar integration, tagging, progress views, project sections, and home screen widget for urgent tasks and priorities.
PolandEU
Commitments is a simple, lightweight to-do app that lives in your menu bar, works offline, and never collects your data—your tasks are yours alone.
NetherlandsEU
Quiver is a notebook built for programmers. It lets you easily mix text, code and Markdown within one note, edit code with an awesome code editor, live preview Markdown and LaTeX cells, and find any note instantly via the full-text search.
United States
Reminders makes it easier than ever to remember the things you need to do. You can use it for all of life's to-dos, including grocery lists, projects at work, or anything else you want to track. And with iCloud, it's easy to keep all your devices in sync, so you’ll...
United States
Plan combines all of your calendars, projects, tools, and documents into one intuitive place - the central hub for your work-life.
United States
