Development Files Extensions - What are development files and how do I open a development file?

What are development files and how do I open a development file?

File Type Category File Format
.4db Development Files 4th Dimension Database Structure File
.a Development Files Static Library
.ada Development Files Ada Source Code
.adb Development Files Ada Body File
.ads Development Files Ada Specification File
.alb Development Files Alpha Five Library
.arsc Development Files Android Package Resource File
.as Development Files ActionScript File
.asc Development Files ActionScript Communication File
.asm Development Files Assembly Language Source Code File
.au3 Development Files AutoIt v3 Script
.bcp Development Files Borland C++ Makefile
.btn Development Files AutoPlay Media Studio Button File
.c Development Files C/C++ Source Code File
.capx Development Files Construct Compressed Project File
.class Development Files Java Class File
.cob Development Files COBOL Source Code File
.cod Development Files Compiled Source Code
.config Development Files Configuration File
.cpp Development Files C++ Source Code File
.cs Development Files Visual C# Source Code File
.ctl Development Files Visual Basic UserControl Object File
.dbo Development Files DarkBASIC Object
.def Development Files Module-Definition File
.dex Development Files Dalvik Executable File
.dfm Development Files Delphi Form
.dm1 Development Files ER/Studio Data Model File
.dmd Development Files SQL Developer Data Modeler File
.docset Development Files Doxygen Document Set File
.dpk Development Files Delphi Package
.dpr Development Files Delphi Project
.dsp Development Files Visual C++ 6 Project
.dtd Development Files Document Type Definition File
.exp Development Files Symbols Export File
.f Development Files Fortran Source Code
.fbp Development Files wxFormBuilder Project
.fcl Development Files ForeUI Custom Library File
.fla Development Files Adobe Flash Animation
.framework Development Files Mac OS X Application Framework
.frm Development Files Visual Basic Text Form
.fxc Development Files FilePackager Configuration
.gar Development Files GridGain Archive
.gitignore Development Files Git Ignore File
.gld Development Files MPLAB C Compiler Linker Script File
.gm81 Development Files Game Maker 8.1 Project File
.gs Development Files Google Apps Script
.h Development Files C/C++ Header File
.hal Development Files HansaWorld Application Language File
.hpf Development Files High Performance Fortran File
.hpp Development Files C++ Header File
.hs Development Files Haskell Script
.iml Development Files IntelliJ IDEA Module
.ipr Development Files InstallShield Professional Project File
.ist Development Files InstallShield Project Template File
.j Development Files Java Source File
.jav Development Files Java Source File
.java Development Files Java Source Code File
.jnilib Development Files JNI Library
.jpd Development Files Java Process Definition
.kpl Development Files Kids Programming Language File
.lgo Development Files Logo Instructions File
.list Development Files JAR Index File
.lsp Development Files Lisp Program Source Code File
.lua Development Files Lua Source File
.m Development Files Objective-C Implementation File
.md Development Files Markdown Documentation File
.mf Development Files Java Manifest File
.mfa Development Files Multimedia Fusion Development File
.mm Development Files Objective-C++ Source File
.mo Development Files Machine Object File
.mpr Development Files FoxPro Generated Menu Program
.mrt Development Files Stimulsoft Report File
.mss Development Files Microprocessor Software Specification File
.nupkg Development Files NuGet Package
.ocx Development Files ActiveX Control
.pas Development Files Pascal Source File
.pbxproj Development Files Xcode Project Data File
.pc Development Files Pro*C Source Code File
.pickle Development Files Python Pickle File
.pjx Development Files FoxPro Project
.pod Development Files Perl POD File
.ppc Development Files Mobile Data Studio Project File
.py Development Files Python Script
.reb Development Files REBOL Script File
.res Development Files C++ Complied Resource Script
.resx Development Files .NET Managed Resources File
.sbr Development Files Visual Studio Source Browser Intermediate File
.scc Development Files SourceSafe Source Code Control File
.sh Development Files Bash Shell Script
.sln Development Files Visual Studio Solution File
.sma Development Files AMX Mod Plugin Source File
.swc Development Files Flex Components Archive
.t Development Files Turing Source Code File
.tld Development Files Tag Library Descriptor File
.trx Development Files Visual Studio Test Results File
.vbp Development Files Visual Basic Project File
.wpw Development Files WinDev Mobile Window File
.xcappdata Development Files Xcode App Data File
.xcworkspace Development Files Xcode Workspace File
.xsx Development Files Visual Studio XML Schema Layout File
.xt Development Files Xdebug Trace File
.yml Development Files YAML Document