| OWL (Obfuscated Weird Language) Source Code Format | |
| N/A | |
| Ads |
OWL is developer file that store code written in Obfuscated Weird Language (OWL) programming language. OWL file contain source code written using only integers and 26 variables (letters from A to Z). OWL is a fork of the popular C language with support for additional GNU packages.
OWL file require an dedicated interpreter to be installed in order to open it. The interpreter is available for various operating systems that support GNU Compiler Collection library. OWL was created in 2005 by Antonio Maschio and was based on another esoteric programming language called BogusForth.
| .a | Unix Static Object Code Library Format |
| .a2w | Alice Program World Format |
| .actx | DS Game Maker Action Description Format |
| .ada | ADA Language Source Code Format |
| .addin | Microsoft Visual Studio Addin Format |
| .ads | Ada Package Specification |
| .agi | Asterisk Gateway Interface Format |
| .alb | Alpha Five Data Dictionary |