todo.txtManage a plain-text to-do list from the command line.
Free and open source (GPL-3.0 licence per GitHub).
Office & productivity
Free alternatives to Things 3
Find a free app for the parts of Things 3 you actually use.
Compare the free allowance and limitations on each app’s page. These are workflow alternatives, rather than identical copies.
Free options
Suggest an alternative →todo.txt
PlanifyOrganise tasks, projects and reminders in a native Linux app.
Free local task manager · Linux · optional sync provider costs
ErrandsKeep simple task lists and subtasks on your Linux desktop.
Free local task lists · Linux Flatpak · optional Nextcloud sync
Manage tasks, priorities and recurring work from the terminal.
Free local CLI · no task quota · technical setup
Super ProductivityCapture tasks, organise projects, recurring work, daily planning and time tracking.
Free local task manager, timeboxing and time tracking; optional sync uses your own storage.
VikunjaOrganise tasks into lists and projects with reminders and recurring tasks.
Free self-hosted unlimited tasks/projects, views, reminders, repeating tasks, labels and sharing.
Tasks.orgManage task lists, reminders and recurring to-dos on Android.
100% free open-source (GPLv3). Unlimited tasks and lists.