Ability Plus Software is a software development company, founded in 1991
for the purposes of developing and marketing the Ability branded products:
Ability Office

Ability Office

Ability Office is an office suite developed by Ability Plus Software and distributed and marketed by Ability Software International and which consists of a word processor, spreadsheet, database, modules for presentation and photo or image editing, plus a photo/image organiser and vector line...

, an office suite for Microsoft Windows

Microsoft Windows

Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

 and, earlier,
Ability Plus

Ability Plus

Ability Plus is an integrated software package written for DOS in the early 80s. Development ceased in 1995 with the last build made in November 1997. It was succeeded by Ability Office on Windows, described below....

 - an integrated package running under DOS.
Ability Plus Software was formed in London, England, shortly after Migent (UK)
ceased to trade in 1991. It acquired the source code for the Ability Plus
package and with some of the ex-Migent staff and the help of LANware Inc, which
had acquired sales and marketing rights in the US from Migent Inc, began a
program of product development which has continued to the present day.
Starting in 1993 Ability Plus Software teamed-up with Great Bear, a US company
with an office in Sofia

Sofia

Sofia is the capital and largest city of Bulgaria and the 12th largest city in the European Union with a population of 1.27 million people. It is located in western Bulgaria, at the foot of Mount Vitosha and approximately at the centre of the Balkan Peninsula.Prehistoric settlements were excavated...

, Bulgaria, to develop a new Windows product, Ability
Office, as a successor to Ability Plus.