In the Application Manager:
1 Add the extras-devel repository:

1. Navigate to the application menu (tap the title bar)
2. Select ‘Tools->Application catalogs’
3. Select ‘New’
4. Enter a catalog name of ‘Maemo extras-devel’
5. Enter a web address pf ‘http://repository.maemo.org/extras-devel’
6. Enter a distribution of ‘diablo’
7. Enter components of ‘free non-free’
8. Select ‘Save’

2 Open installable applications
3 Look for abiword and select it
4 Press install
5 Wait a minute