When comparing GNOME To Do vs Org-mode, the Slant community recommends Org-mode for most people. In the question“What are the best productivity tools for Linux?” Org-mode is ranked 2nd while GNOME To Do is ranked 7th. The most important reason people chose Org-mode is:
Org-mode is characterized by a flexible and versatile system with adaptability to different workflows, making it comparable as an Evernote alternative. It is at once simple and complex., which helps it to compete as an Evernote alternative.
Ranked in these QuestionsQuestion Ranking
Pros
Pro In active development
They are working on grid and task planner like views.
Pro Deadlines
Setting deadlines is pretty easy.
Pro Priorities
You can give tasks priorities, and they are clearly defined.
Pro Syncs to some other task lists
I thinks it needs the GNOME settings manager to sync to Google and Microsoft's To Do lists.
Pro FOSS
That's good...
Pro Very flexible
Org-mode is characterized by a flexible and versatile system with adaptability to different workflows, making it comparable as an Evernote alternative. It is at once simple and complex., which helps it to compete as an Evernote alternative.
Pro Built-in agenda
Org-mode has some built-in agenda functionality. You can schedule tasks and assign various degrees of importance to each of them. Org-mode agenda can also be synced with Google Calendar.
Pro Versioning can be tracked and synced using Git or other VCS
Org files are plain text, and lend themselves well to version control. Emacs also has good integrations for various VCS.
Pro Great sync support
Notes and to-dos can be synced with Trello, Toodledo, Simplenote, Orgmobile, or with tools like Git on Github, Dropbox, Google Drive, and Bitbucket, while WebDAV (with iOS and Android) can also be exported to PDF, mind map, LaTeX, HTML, Docbook, or txt.
Pro Basic spreadsheet functionality
Org-mode has some basic spreadsheet functionality. Other than auto-formatting ASCII tables (a notoriously annoying problem), it also has support for LISP-like syntax to define equations or any other functionality that can be achieved through spreadsheets.
Pro Out-of-the-box Latex support
Org-mode has out-of-the-box support for Latex: it can immediately parse equations (or other Latex markup) and can even compile notes to PDF or HTML.
Cons
Con Linux only
No Windows or Mac support (though I guess you could make it work yourself, yay FOSS)
Con Difficult to learn
Org-mode has a difficult learning curve since you have to learn all the keybindings and commands. It's especially difficult if you are not used to Emacs.
