OEAPI 3.2.3 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This PC program was developed to work on Windows XP, Windows Vista, Windows 7 or Windows 8 and can function on 32-bit systems.
The actual developer of the software is Nektra. Commonly, this program's installer has the following filename: demo.exe. The most popular version among the software users is 3.2. We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. OEAPI lies within Development Tools, more precisely IDE.
From the developer:
Outlook Express Application Programming Interface is the best Software Development Kit (SDK) to build your plugin in Outlook Express
You may want to check out more software, such as Sun Java Toolkit for CDC, SICStus Prolog or WndTabs, which might be similar to OEAPI.