When comparing Taskwarrior vs MeisterTask, the Slant community recommends Taskwarrior for most people. In the question“What are the best cross-platform task apps?” Taskwarrior is ranked 2nd while MeisterTask is ranked 31st. 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
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Pros

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.
Pro Unlimited tasks and projects for free
MeisterTask offers a free plan that includes unlimited tasks and projects, as well as two integrations of the user's choice.
Pro Useful integrations
MeisterTask has integrations with Google Drive, Dropbox, Slack, GitHub, BitBucket, Zendesk, Zapier, and MindMeister. You can even get a personal URL to subscribe to your tasks, schedule, etc. via any calendar program that supports the iCal format (e.g. MacOS default calendar application, or maybe even Fantastical 2 on the same platform).
Pro Task Automations
MeisterTask offers “Section Actions” that help automate steps in your workflow and increase efficiency and consistency.
Cons
Con Command line interface
A command line interface is a arguably overly verbose, consequently tedious, way to interact with a To Do list.
Con No Linux desktop application
Con Main view isn't compact enough
The main view isn't compact enough even when set to small font and compact view. Additionally, columns are not collapsible.
Con Subtasks are hidden inside the task
It can be hard to see the complete details of each task due to the nested interface.
Con No reminders
No native reminder events.
