Things is a popular macOS/iOS‑only personal task manager known for its clean UI and powerful tagging. Below is a curated list of 20 cross‑platform task‑management tools that can serve as alternatives, offering features such as collaboration, automation, kanban boards, and advanced scheduling.
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Widely used to‑do list app with natural language input, project organization, labels, filters, and powerful integrations.
Team‑focused work management platform with tasks, timelines, boards, and robust reporting for projects of any size.
Kanban‑style board system that visualizes tasks as cards, supports power‑ups, automation (Butler), and real‑time collaboration.
All‑in‑one productivity suite offering tasks, docs, goals, time tracking, and customizable views (list, board, Gantt).
Work OS with flexible boards, automations, timeline views, and extensive integrations for both personal and team task tracking.
Unified workspace combining notes, databases, and kanban boards; users can build custom task‑tracking systems with templates.
Simple, cloud‑synced to‑do list from Microsoft, integrated with Outlook and Teams for personal and light‑team use.
Powerful GTD‑oriented task manager for macOS/iOS, offering perspectives, tags, and deep automation via AppleScript.
Feature‑rich to‑do app with built-in Pomodoro timer, habit tracker, calendar view, and collaboration lists.
Cross‑platform task manager with voice entry, daily planner, and integrated calendar syncing.
Classic task manager with smart lists, reminders, and email integration; supports multiple platforms and voice assistants.
Enterprise‑grade work management solution featuring task hierarchies, Gantt charts, workload view, and real‑time collaboration.
All‑in‑one project hub with to‑do lists, message boards, schedules, and file storage; ideal for small teams.
Spreadsheet‑style work platform that adds task assignment, automation, and reporting for complex project tracking.
Flexible database‑driven tool where tasks can be viewed as grids, kanban, calendars, or galleries, with powerful formulas.
Multi‑view project manager offering kanban, list, table, calendar, and mind‑map views with collaborative features.
Task and project management SaaS with meeting minutes, risk logs, and built‑in time‑tracking for teams.
Intuitive kanban board tool with automation, time tracking, and seamless integration with MindMeister mind maps.
Simple, visual task manager that combines kanban boards with timeline view and real‑time collaboration.
Gamified task manager that turns to‑do items into quests, rewarding users with experience points and loot.