When comparing Producteev vs Taskwarrior, the Slant community recommends Taskwarrior for most people. In the question“What are the best cross-platform task apps?” Taskwarrior is ranked 2nd while Producteev is ranked 46th. The most important reason people chose Taskwarrior is:
The command line interface puts powerful filtering expressions, context, annotations, tags, due dates, reoccurrence, and user-defined-attributes totally in your hands. It’s fast and low friction.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Separate networks and projects
This helps separate personal tasks from work tasks and makes it easy to differentiate between projects/contexts.
Pro Free plan is feature-rich
The free version includes lots of features other services charge for (attached files and more).
Pro Multiple reminders per task
You can set a single task to have more than one reminder.
Pro Simple access to almost any desired feature
It doesn’t take many clicks to access all of the features.
Pro Designed to work in team
Tasks can be assigned to specific individuals, or you can add followers. All people involved will receive notifications. The project can be shared with the full company or within selected subgroups.
Pro Real-time and custom push reminders
Some apps (Basecamp, Asana) don't have this.
Pro Apps for every platform
There are dedicated apps for almost every platform.

Pro Command line interface
The command line interface puts powerful filtering expressions, context, annotations, tags, due dates, reoccurrence, and user-defined-attributes totally in your hands. It’s fast and low friction.
Pro Extensible
Taskwarrior has many front-ends, services, extensions, hook scripts, and capsules available. Taskwarrior keeps a list of contributed tools on their site.
Pro Lightweight and fast
Taskwarrior is written in the speedy C++ language.
Pro Tasks stored in plain text files locally
Future-proof and easily integrated with version control system. You never lose access to your data.

Pro Sync across devices
When used in conjunction with the Taskserver, it can sync tasks (conflict-free) across your Taskwarrior devices. This includes integration with Mirakel.

Pro Supported internationally
It has UTF8 support and is translated into many languages.
Pro Customizability
Taskworrior allows you to define custom attributes and reports to your needs.
Pro Self-hosted Taskserver
You can be in full control of your data.
Cons
Con Command line interface
A command line interface is a arguably overly verbose, consequently tedious, way to interact with a To Do list.
