When comparing Workflowy vs Mindjet MindManager, the Slant community recommends Workflowy for most people. In the question“What are the best mind mapping apps with nested hierarchies?” Workflowy is ranked 3rd while Mindjet MindManager is ranked 10th. The most important reason people chose Workflowy is:
Any sublist can be viewed as a top-level list. This sounds simple but makes WorkFlowy extremely powerful. For example, the same line item, "write my book," can simultaneously be a to-do in a task list and the container for an entire working document.
Specs
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Pros
Pro Outline-style hierarchy with zoom
Any sublist can be viewed as a top-level list. This sounds simple but makes WorkFlowy extremely powerful. For example, the same line item, "write my book," can simultaneously be a to-do in a task list and the container for an entire working document.
Pro Minimalistic interface
Interface has no clutter. It allows focusing on thoughts to note down. This keeps things simple and easy to understand, which can help keep everything organized in an intuitive manner.
Pro Easy to see an overview and organize notes
All notes are part of a list, which makes it easy to organize everything. Nested lists allow for organizing notes into hierarchical categories of infinite depth. All lists can be folded. WorkFlowy also has tags and instant full-text search.
Pro Super fast sync between devices
While adding a list of to-do on web, it syncs with iPhone and iPad apps very quickly. This way you can jump between devices with no delay of up to date content.
Pro Quickly focus on a specific topic
Enables users to focus on specific topic area, which is referred to as "hoisting" within Workflowy.
Pro Supports tags
Enables users to search by tags.
Pro Cross-platform web and mobile
WorkFlowy can be accessed from either a browser or their apps, which include a Chrome app for desktops as well as an iOS and Android app. This makes it easy to access ones notes no matter the platform or device being used.
Pro Deep nesting
Workflowy's 'everything is in a tree' interface makes it easy to keep expanding on topics, no matter where, or how deep in the hierarchy they are.

Pro Tasks can be added and manipulated quickly
WorkFlowy allows entering many tasks very quickly – especially useful for meeting minutes or a "brain dump" when you have to type fast. After typing in all your thoughts, it's very easy to organize and sort multiple groups at once.
Pro Import and export via OPML
OPML (Outline Processor Markup Language) is a commonly used standard for text exchange. With two-way support for OPML you are never locked into Workflowy. Importing/exporting via copy/paste of entire outlines is a snap.
Pro Text formatting
You can have bold, italic, and underlined text.
Pro Strong community
There are number of talented coders who help customize WorkFlowy with extensions and styles. It has an active blog and welcomes collaboration.
Pro Daily digest email
WorkFlowy can send you an email with that day's activity. It's a great way to track progress.
Pro MS Outlook strong integration
Pro Excellent team collaboration support
Pro Cross-platform desktop and mobile, and web versions available
Works on Windows, OS X, iOS, Android and Web.

Pro Business oriented
Business oriented, mind maps look professional.
Pro Integrates with multiple web services
Pro Real-time Gantt charts
Pro MS Projects and Sharepoint integration
Cons
Con Doesn't work well in mobile browsers
The functionality of the mobile version of the site is a bit limited, while new features have been added such as the ability to move lines of text, even that is limited on Android to only being functional on Chrome.
Con Offline desktop app requires Chrome
The offline desktop requires installing Google Chrome first before the WorkFlowy app can be installed. This is not good news for non-Chrome users especially users who frequently uses Firefox or Safari as their default browsers, in which Chrome app also suffers memory leak and battery issues.
Con Inconvenient interface
Notes automatically collapse, making them unreadable without user interaction. You cannot view multiple long notes at once.
Con No public API
Con Cannot use link-text
You cannot have text link to a URL. When you link to a website you have to post the full URL instead. Instead of having the name of the website or article like, Slant, you instead have to post http://slant.co
. It's especially annoying if you have a long URL that takes up a lot of space in the document.
Con No support for Right-To-Left languages
Mixed text is scrambled, and text-alignment is wrong.
Con Doesn't work on all mobile phones
Not compatible with Android OS version 4.1 and 4.2.
Con Infrequent updates and new features
WorkFlowy works well but it is hardly ever updated, in comparison to Dynalist, which works in a very similar way but has more features and is updated weekly.
Con Only supports one big text file
Although with Workflowy's focus feature this can work, you might prefer managing separate text files.
Con Mac version has severely limited functionality
Con Lacks elegant ability to be able to connect ideas in the reverse order or different direction
This isn't uncommon, but there are mind mapping software that will let you connect a number of ideas that branched off from one idea, back to one idea again. Usually the branching analogy of the details getting more as you go further away from the main branch works, but occasionally it is nice to map multiple ideas back to a single idea or loop back to a previous idea. This can be done with connections, but if you want to see something that gives true freedom, look at the examples of the application Coggle.
Con Very expensive compared to all other alternatives
Not really viable for personal mind mapping, as the high cost clearly targets the business market.
Con No free/personal version
It is has so many great features, but this comes with the pricetag of the only version of this software. A lighter version, with many advanced business features removed would be ideal for a free/freemium version
Con Odd UI interaction conventions
Some conventions used to interact with the software are either questionable or simply going against what's commonly accepted. For example, right-click + drag will move around, holding down the right-click will open up the context-menu and left-click in an open space will start a new unconnected node. What this results in is constant accidental opening of context-menu then accidental creation of a new node trying to get out of the context-menu.
