don3txt is a free, open source task manager for Android based on the todo.txt open standard. Plain text, 100% local, no external dependencies. Your data is yours.
Clean interface built with Material Design 3
Navigation
Inbox
Settings
Everything a serious productivity system needs
Today (default) with badges for overdue and due-today tasks. Inbox with all your active tasks. Upcoming with tasks for the next few days (configurable period: 3, 7, 14 or 30 days). Collapsible filters by Project and Context. Dedicated Recurring and Completed task views. Search by text across any view.
Full compatibility with the open standard. Priorities (A)-(Z), projects +name, contexts @name and metadata key:value. Complete or delete tasks with Undo support. Completed tasks are archived to done.txt.
Flexible recurrence with rec:1m (from completion) or strict with rec:+1m (from original date). Supports days, weeks, months and years.
With t:2024-02-25 the task stays hidden from action views until its time comes. Still visible in Upcoming and Recurring before the threshold date.
Add due:YYYY-MM-DD with the built-in calendar picker. Overdue tasks are visually highlighted in the Today view.
Tap + or @ in the editor to browse existing projects and contexts as selectable chips. Create new tags on the fly. Works alongside manual typing without duplicates.
Pick any todo.txt from your device. Compatible with Syncthing, Dropbox or any folder-sync service for cross-device sync. Pull-to-refresh to reload changes from disk.
Three theme options applied instantly. System mode follows your Android configuration automatically.
First day of the week (Monday or Sunday), Upcoming period (3, 7, 14 or 30 days) and file path. All from Settings.
No internet required. No account needed. No server. Your tasks live exclusively on your device, in plain text.
The todo.txt format is an open, human-readable standard. No proprietary databases, no complicated exports, no vendor lock-in.
A text file you can open with any editor, move between devices, version with git, sync with Syncthing, Dropbox or any cloud folder, or even edit by hand.
Your tasks will be available on any platform that supports the standard, now and ten years from now.
(A) Call the dentist @phone (B) 2024-01-15 Review PR +Project @office (C) Prepare presentation Buy milk @supermarket Pay rent Review report x 2024-01-16 2024-01-15 Send contract +Work
No server receives your tasks. No account to create. No telemetry. Your data never leaves your device unless you choose so.
The todo.txt format has dozens of implementations on iOS, macOS, Linux and Windows. Switch apps whenever you want. Your file always works.
Open source under the MIT license. You can read it, modify it, contribute or fork it. No restrictions, no surprises.
Everything you need to know about don3txt and the todo.txt format
todo.txt is an open, human-readable plain text format for managing tasks, created by Gina Trapani. A single text file holds all your tasks with a simple syntax for priorities, projects, contexts and metadata. Because it is plain text, you can read, edit and sync it with any tool and on any platform, with no vendor lock-in.
Yes. don3txt is completely free and open source under the MIT license. There are no premium features, no subscriptions, no ads and no in-app purchases.
Yes. don3txt works 100% offline. It does not require an internet connection, an account or a server. Your todo.txt file lives exclusively on your device unless you choose to sync it yourself.
Yes. don3txt follows the official todo.txt specification, so your file is fully compatible with any other todo.txt application on iOS, macOS, Linux, Windows or the web. You can switch apps at any time without losing data.
The latest don3txt APK is published on GitHub Releases. Download the APK and install it directly on your Android device.
Download the APK, pick your todo.txt file and start managing your tasks with no strings attached.
Current version: v1.9.1