FieldWorks Language Explorer (FLEx) (copyright) provides tools for dictionary development, morphological analysis/parsing and interlinearization, and more.
User Interface overview (menus, toolbars, shortcuts and so on)
Field Descriptions overview (grouped by Navigation Pane areas)
Using Tools overview (task help topics to help you use Language Explorer)
Beginning Tasks overview (such as to create a new FieldWorks project, and import data)
Basic Tasks overview (such as filter/sort, spell checking, collaborate, and so on)
Advanced Tasks overview (such as to add or modify writing systems)
FLEx on Linux lists Internet sites you may want to read.
How do I... also lists some additional ways to find task help.
Localizations (User Interface languages) are available here:
https://software.sil.org/fieldworks/download/localizations/.
If you want more information about any individual Help topic, click the overview or another hyperlink under Related Topics.
To display a context-sensitive topic, click Help in any dialog box of the program.
On the Help menu, Demo Movies opens movies that give overviews of areas and tools.
For other sources of information, on the Help menu point to Training or Resources, and then make a selection on the submenu.