When comparing SoftMaker Office/FreeOffice vs LaTeX, the Slant community recommends LaTeX for most people. In the question“What are the best Microsoft Office alternatives?” LaTeX is ranked 5th while SoftMaker Office/FreeOffice is ranked 20th. The most important reason people chose LaTeX is:
LaTeX handles the design so you can focus on the content
Specs
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Pros
Pro Great interoperability with Microsoft Office
SoftMaker office can open doc(x), xls(x), and ppt(x) files without messing up formatting.
Pro Multi-platform
Works on Windows, Mac, Linux and Android.
Pro Low on dependencies
On Linux it avoids the common widget toolkits which makes it really lightweight compared to other office suites.
Pro Configurable user interface
Includes the possibility to use Ribbons or classical Menus.
Pro EU based company
Follows the the General Data Protection Regulation of the EU.
Pro Has a free version
A free version, called SoftMaker FreeOffice, is available.
FreeOffice is a stripped down version of SoftMaker Office, with less features, templates and interface polish, but it still is feature-packed and with the same excellent import and export filters that enable opening/saving Microsoft Office formats faithfully.
Pro Free technical support
If you face any issues, you can always use the technical support by developer SoftMaker, it's free.
Pro Documentation
Even the FreeOffice version includes a Handbook in PDF.
Pro EPUB export included
You can create high-quality e-books in EPUB format easily.
Pro Integration of Zotero
Especially important for academic use: SM Office has a great working connector to Zotero for the direct insertion of citations.
Pro Free for teachers
The regular paid version is free for teachers.
Pro Great amount of advanced features
Compared to alternatives like OnlyOffice and WPS, really important advanced features especially for compatibility with Excel.
Pro Lets you focus on the content
LaTeX handles the design so you can focus on the content
Pro High-quality typesetting by default
There's a reason that scholarly journals often require the use of LaTeX for articles printed in their pages, and it's because the quality of the output is that good. Universities often require, or at least encourage, the use of LaTeX for graduate theses and dissertations for this same reason.
Pro Free open source software
Licensed under the LaTeX Project Public License
Pro Editor-independent
You can edit LaTeX sources in any text editor.
Pro Cross-platform
Works on every major OS and gives exactly the same quality output everywhere you go. LaTeX on macOS, Windows, Linux, BSD, and even Mac OS 9 has exactly the same output for a given set of sources.
Pro Effortless math input
The whole reason that TeX -- and, by extension, LaTeX -- exists is to give people an easy way (well, for some value of "easy") to produce high-quality documents with properly laid out mathematical expressions and text in them. As long as you know the language (or have a reference sheet handy), you can include mathematical expressions in your document with little to no extra effort needed on your part.
Cons
Con The regular paid version is not free for students as it is for teachers
For students to use it, there needs to be a free student license for the regular (with . docx support) version.
Con Proprietary software
Although some versions/programs are free to download, they're all proprietary licenses utilizing a freeware model.
Con Free version needs registration
The free version needs to be registered with a valid email adress.
Con Installs a lot of crap and does not clean up
On Linux it installs over 40 MB of templates, images and other crap people will never need.
De-install does not clean up usr/share/freeoffice.
Con Breaks icon themes
On Linux it breaks all icon themes by modifying them.
Con No VBA support
As Visual Basic for Applications (VBA) is proprietary software used in MS Office.
Con It's not Microsoft Office and it never will be
Use SoftMaker Office only if you want basic MS Office-like features. Once you delve deeper into the software the omissions become glaringly obvious.
Con Steep learning curve
LaTeX is not what you'd consider easy to use, and while there's plenty of documentation out there, much of it is rather opaque unless you're a seasoned TeXnician.
Con Single-threaded design
LaTeX is single-threaded by design, since it must necessarily work sequentially to produce each page as it is laid out by the typesetting engine. This makes it dependent on the power of just one individual core in your multi-core computer setup and so migrating to a machine with more cores won't necessarily make your LaTeX documents build faster.
Con Not a what-you-see-is-what-you-get editor
LaTeX uses the paradigm what-you-see-is-what-you-mean instead.