Developer Files
The Developer Files category contains files related to software development. These include programming project files, source code files, code libraries, header files, and class files. Compiled objects and components are also included in this category.
Common developer file extensions include .C, .CS, .M, and .JAVA.
| Extension | File Type | Popularity |
|---|---|---|
| .AWK | AWK Script | 4.6 |
| .APPXBUNDLE | Windows App Bundle | 4.5 |
| .UNITY | Unity Scene File | 4.5 |
| .LGO | Logo Instructions File | 4.4 |
| .IN | Autoconf Input File | 4.3 |
| .SCRIPTTERMINOLOGY | AppleScript Script Terminology File | 4.3 |
| .RBXL | Roblox Location | 4.3 |
| .CS | C# Source Code File | 4.3 |
| .SB | Scratch Project File | 4.3 |
| .SB3 | Scratch 3.0 Project | 4.3 |
| .SB2 | Scratch 2.0 Project File | 4.3 |
| .APPX | Windows App Package | 4.3 |
| .KT | Kotlin Source Code File | 4.3 |
| .PYD | Python Dynamic Module | 4.3 |
| .IPR | IntelliJ IDEA Project File | 4.3 |
| .RBXM | Roblox Model | 4.2 |
| .INO | Arduino Sketch | 4.2 |
| .CLASS | Java Class File | 4.2 |
| .YPR | BYOB Project File | 4.2 |
| .KV | Kivy Language File | 4.2 |
| .GITATTRIBUTES | Git Attributes File | 4.2 |
| .XQ | XQuery File | 4.2 |
| .PY | Python Script | 4.2 |
| .CPP | C++ Source Code File | 4.1 |
| .LUC | Compiled Lua Source File | 4.1 |
| .GCH | Precompiled Header File | 4.1 |
| .TRX | Visual Studio Test Results File | 4.1 |
| .MM | Objective-C++ Source File | 4.1 |
| .C | C/C++ Source Code File | 4.1 |
| .GM81 | Game Maker 8.1 Project File | 4.1 |
| .VBP | Visual Basic Project File | 4.0 |
| .ASM | Assembly Language Source Code File | 4.0 |
| .PAS | Delphi Unit Source File | 4.0 |
| .ARSC | Android Package Resource Table | 4.0 |
| .SC | Scala Worksheet | 4.0 |
| .GS | Google Apps Script | 4.0 |
| .CAPROJ | Construct Project File | 4.0 |
| .SLOGO | StarLogo Project File | 4.0 |
| .HAS | Haskell Script | 4.0 |
| .YMP | YaST Metapackage File | 4.0 |
| .AM4 | AutoPlay Media Studio 4 Project File | 4.0 |
| .PH | Perl Header File | 4.0 |
| .TT | Visual Studio Text Template | 4.0 |
| .DSGM | DS Game Maker Project | 4.0 |
| .AIDL | Android Interface Definition Language File | 4.0 |
| .MD | Markdown Documentation File | 4.0 |
| .LUA | Lua Source Code | 4.0 |
| .B | BASIC Source File | 4.0 |
| .PWN | Pawn Source Code File | 4.0 |
| .XAP | XACT Project | 4.0 |
| .PO | Portable Object | 4.0 |
| .RS | Rust Source Code File | 4.0 |
| .PBG | Pixel Bender Graph File | 4.0 |
| .CC | C++ Source Code File | 3.9 |
| .MF | Java Manifest File | 3.9 |
| .SWC | Flex Components Archive | 3.9 |
| .CONFIG | Configuration File | 3.9 |
| .SWIFT | Swift Source Code File | 3.9 |
| .JAVA | Java Source Code File | 3.9 |
| .VDPROJ | Visual Studio Setup and Deployment Project | 3.9 |
| .R | R Script File | 3.9 |
| .PATCH | Patch File | 3.9 |
| .HPP | C++ Header File | 3.9 |
| .FS | Visual F# Source File | 3.9 |
| .COD | Compiled Source Code | 3.9 |
| .HS | Haskell Script | 3.9 |
| .DOX | Visual Basic Binary UserDocument | 3.9 |
| .Y | Yacc Source File | 3.9 |
| .CAPX | Construct Compressed Project File | 3.9 |
| .OCX | ActiveX Control | 3.9 |
| .NK | NUKE Script | 3.9 |
| .GMK | GameMaker Project File | 3.9 |
| .ISE | InstallShield Express Project File | 3.9 |
| .SWD | Flash Debug File | 3.9 |
| .ML | ML Source Code File | 3.9 |
| .GMX | GameMaker File | 3.9 |
| .YML | YAML Document | 3.9 |
| .RESOURCES | Visual Studio Resource File | 3.9 |
| .SMALI | Android Smali Assembly Language File | 3.9 |
| .S | Source Code File | 3.9 |
| .V12.SUO | Visual Studio 2013 Solution User Options File | 3.9 |
| .DEF | Module-Definition File | 3.9 |
| .CD | Visual Studio Class Diagram | 3.9 |
| .RES | C++ Complied Resource Script | 3.9 |
| .SO | Shared Library | 3.9 |
| .CSPROJ | Visual Studio C# Project | 3.9 |
| .BPL | Borland Package Library | 3.9 |
| .BBC | BBC BASIC Data File | 3.9 |
| .FBP | wxFormBuilder Project | 3.9 |
| .BET | BETA Source File | 3.9 |
| .PROTO | Protocol Buffer File | 3.9 |
| .MK | Makefile | 3.8 |
| .MXML | Flex MXML Component | 3.8 |
| .ENTITLEMENTS | Mac App Sandboxing Entitlements File | 3.8 |
| .BLUEJ | BlueJ Package File | 3.8 |
| .SLN | Visual Studio Solution File | 3.8 |
| .RUL | InstallShield Rules File | 3.8 |
| .DEX | Dalvik Executable File | 3.8 |
| .DTD | Document Type Definition File | 3.8 |
| .HBS | Handlebars Template | 3.8 |
| .PB | PureBasic Source File | 3.8 |
| .AIA | MIT App Inventor Project | 3.8 |
| .DGML | Visual Studio Directed Graph Document | 3.8 |
| .ANE | Adobe AIR Native Extension | 3.8 |
| .XPP | X++ Source Code File | 3.8 |
| .CCS | CodeCharge Studio Project File | 3.8 |
| .XCDATAMODELD | Xcode Core Data Model File | 3.8 |
| .XAMLX | Visual Studio Workflow Service File | 3.8 |
| .MPX | FoxPro Compiled Program Menu | 3.8 |
| .ERL | Erlang Source Code File | 3.8 |
| .SSI | Adobe Dreamweaver Server Side Include File | 3.8 |
| .PBXBTREE | Xcode Auto-Complete File | 3.8 |
| .WDGT | Adobe Captivate Widget File | 3.8 |
| .LISP | Lisp Source Code File | 3.8 |
| .RC | Resource Script | 3.8 |
| .O | Compiled C Object File | 3.8 |
| .RES | Windows Resource File | 3.8 |
| .XSD | XML Schema Definition | 3.8 |
| .AU3 | AutoIt v3 Script | 3.8 |
| .CXP | CX-Programmer Project File | 3.8 |
| .SUO | Visual Studio Solution User Options File | 3.8 |
| .VBX | Visual Basic Custom Control | 3.8 |
| .XAML | XAML File | 3.8 |
| .XT | Xdebug Trace File | 3.8 |
| .D | D Source Code File | 3.8 |
| .IPR | InstallShield Professional Project File | 3.8 |
| .ADS | Ada Specification File | 3.8 |
| .CTP | CakePHP Template | 3.8 |
| .PL | Perl Script | 3.8 |
| .H | C/C++/Objective-C Header File | 3.8 |
| .PBJ | Pixel Bender Bytecode File | 3.8 |
| .FXML | FXML Source Code File | 3.8 |
| .EX | Euphoria Source Code | 3.8 |
| .PYW | Python GUI Source File | 3.8 |
| .PIKA | Pika Software Builder Project File | 3.8 |
| .APPXUPLOAD | Windows 8 App Upload Package | 3.8 |
| .RB | Ruby Source Code | 3.7 |
| .MSIX | MSIX Installer Package | 3.7 |
| .YAML | YAML Document | 3.7 |
| .VCXPROJ | Visual C++ Project | 3.7 |
| .IML | IntelliJ IDEA Module | 3.7 |
| .IDB | Visual Studio Intermediate Debug File | 3.7 |
| .W32 | Win32 Makefile | 3.7 |
| .S19 | Motorola S19 File Record | 3.7 |
| .TARGETS | MSBuild Targets File | 3.7 |
| .MRT | Stimulsoft Report File | 3.7 |
| .DPROJ | Delphi Project | 3.7 |
| .PRO | Qt Project File | 3.7 |
| .AS3PROJ | FlashDevelop ActionScript 3 Project File | 3.7 |
| .REXX | Rexx Source File | 3.7 |
| .MO | Machine Object File | 3.7 |
| .AP_ | ADT Android Developer Package | 3.7 |
| .FPM | FPS Creator Map File | 3.7 |
| .SCC | SourceSafe Source Code Control File | 3.7 |
| .L | Lex Source File | 3.7 |
| .TWIG | Twig Template | 3.7 |
| .VB | Visual Basic Project Item File | 3.7 |
| .4DB | 4th Dimension Database Structure File | 3.7 |
| .BAS | BASIC Source Code File | 3.7 |
| .V | Verilog Source Code File | 3.7 |
| .SC | SuperCollider Source Code File | 3.7 |
| .CSX | Visual C# Script | 3.7 |
| .AS | ActionScript File | 3.7 |
| .ASI | Alpha Five Variable File | 3.7 |
| .GITIGNORE | Git Ignore File | 3.7 |
| .RESX | .NET Managed Resources File | 3.7 |
| .FTL | FreeMarker Template File | 3.7 |
| .PBXUSER | Xcode Project User Data File | 3.7 |
| .JSPF | Java Server Page Fragment | 3.7 |
| .HH | C++ Header File | 3.7 |
| .CSP | Caché Server Page | 3.7 |
| .GAMEPROJ | GameSalad Project File | 3.7 |
| .FXC | FilePackager Configuration | 3.7 |
| .DCP | Delphi Compiled Package | 3.7 |
| .WIQ | Visual Studio Work Item Query File | 3.7 |
| .FRX | Visual Basic Binary Form File | 3.7 |
| .GM6 | GameMaker 6 Project File | 3.7 |
| .AGI | Asterisk Gateway Interface File | 3.7 |
| .TPU | Turbo Pascal Unit | 3.7 |
| .JSFL | Animate JSFL Script File | 3.7 |
| .GLD | MPLAB C Compiler Linker Script File | 3.7 |
| .GSPROJ | GameSalad Windows Project File | 3.7 |
| .TLH | Typelib Generated C/C++ Header File | 3.7 |
| .TESTSETTINGS | Visual Studio Test Settings File | 3.7 |
| .PKGDEF | Visual Studio Shell File | 3.7 |
| .ABC | ActionScript Byte Code File | 3.7 |
| .PAS | Pascal Source File | 3.7 |
| .AUTOPLAY | AutoPlay Media Studio Project File | 3.6 |
| .DPR | Delphi Project | 3.6 |
| .PBXPROJ | Xcode Project Data File | 3.6 |
| .RPY | Python Script | 3.6 |
| .CU | CUDA Source Code File | 3.6 |
| .I | Visual Studio Intermediate File | 3.6 |
| .LIVECODE | LiveCode Stack File | 3.6 |
| .VHD | VHDL Source File | 3.6 |
| .F90 | Fortran 90 Source Code File | 3.6 |
| .MAK | Makefile | 3.6 |
| .FRAMEWORK | Mac OS X Application Framework | 3.6 |
| .SUD | Super Project Analyzer File | 3.6 |
| .AM7 | AutoPlay Media Studio 7 Project | 3.6 |
| .APA | RSView Development Project Archive | 3.6 |
| .INC | Include File | 3.6 |
| .STORYBOARD | Xcode Interface Builder Storyboard | 3.6 |
| .UI | User Interface File | 3.6 |
| .NIB | Interface Builder User Interface File | 3.6 |
| .ASC | ActionScript Communication File | 3.6 |
| .PLC | PL/B Source File | 3.6 |
| .DMD | SQL Developer Data Modeler File | 3.6 |
| .KDEVPRJ | KDevelop Project File | 3.6 |
| .KDEVELOP | KDevelop Project Data File | 3.6 |
| .IDL | Interface Definition Language File | 3.6 |
| .DM1 | ER/Studio Data Model File | 3.6 |
| .FORTH | Forth Language File | 3.6 |
| .XCWORKSPACE | Xcode Workspace | 3.6 |
| .SCALA | Scala Source Code File | 3.6 |
| .NUPKG | NuGet Package | 3.6 |
| .SVN-BASE | Subversion Base File | 3.6 |
| .V | Coq Source Code File | 3.6 |
| .MARKDOWN | Markdown Documentation File | 3.6 |
| .M | Objective-C Implementation File | 3.6 |
| .VM | Velocity Template | 3.6 |
| .F | Fortran Source Code | 3.6 |
| .JIC | JTAG Indirect Configuration File | 3.6 |
| .RC2 | Visual Studio Resources File | 3.6 |
| .AS2PROJ | FlashDevelop ActionScript 2 Project File | 3.6 |
| .CBP | Code::Blocks Project File | 3.6 |
| .NXC | Not eXactly C Source Code File | 3.6 |
| .W | OpenEdge Architect Source Code File | 3.6 |
| .HAL | HansaWorld Application Language File | 3.6 |
| .SMA | AMX Mod Plugin Source File | 3.6 |
| .RSRC | Macintosh Resource File | 3.5 |
| .BDSPROJ | Borland Developer Studio Project | 3.5 |
| .WSC | Windows Script Component | 3.5 |
| .ICONSET | Mac OS X Icon Set Folder | 3.5 |
| .FOR | Fortran Source Code File | 3.5 |
| .LSPROJ | Visual Studio LightSwitch Project | 3.5 |
| .SLTNG | StarLogo TNG Project File | 3.5 |
| .LNT | PC-lint/FlexeLint Configuration File | 3.5 |
| .DF1 | Omnis Native Datafile | 3.5 |
| .WDW | WinDev Window File | 3.5 |
| .OMO | OMake Object File | 3.5 |
| .LDS | Binutils LD Linker Script | 3.5 |
| .OCA | Custom Control Library Type File | 3.5 |
| .RBC | Rembo-C Script | 3.5 |
| .TUR | Turing Program Source File | 3.5 |
| .AM6 | AutoPlay Media Studio 6 Project | 3.5 |
| .PRG | RAPID Program File | 3.5 |
| .WDL | World Definition Language Script | 3.5 |
| .ALB | Alpha Five Library | 3.5 |
| .WDP | Windev Project File | 3.5 |
| .ISM | InstallShield Project File | 3.5 |
| .FSSCRIPT | Visual F# Script | 3.5 |
| .DBML | Visual Studio OR Design File | 3.5 |
| .NVV | NVIDIA Vertex Shader File | 3.5 |
| .LTB | LithTech Binary File | 3.5 |
| .CLW | Visual C++ ClassWizard File | 3.5 |
| .HAML | Haml Source Code File | 3.5 |
| .MCP | CodeWarrior Project | 3.5 |
| .PBK | Pixel Bender Kernel File | 3.5 |
| .CXX | C++ Source Code File | 3.5 |
| .NLS | NetLogo Source File | 3.5 |
| .SAS | SAS Program File | 3.5 |
| .RDLC | Visual Studio Client Report Definition File | 3.5 |
| .WSP | SharePoint Solution Package | 3.5 |
| .NSI | NSIS Script | 3.5 |
| .ILK | Incremental Linking File | 3.4 |
| .M | MATLAB Source Code File | 3.4 |
| .DIFF | Patch File | 3.4 |
| .DOB | Visual Basic UserDocument | 3.4 |
| .PKB | Oracle Package Body File | 3.4 |
| .BB | Blitz Source Code File | 3.4 |
| .OBJ | Relocatable Object Code | 3.4 |
| .ASM | Visual Studio Assembler Source Code File | 3.4 |
| .NBC | Next Byte Codes Source Code File | 3.4 |
| .XCCONFIG | Xcode Configuration Settings File | 3.4 |
| .OCTEST | Xcode Objective-C Unit Test Bundle | 3.4 |
| .HXX | C++ Source Code Header File | 3.4 |
| .GEM | RubyGems Package | 3.4 |
| .PLAYGROUND | Xcode Playground File | 3.4 |
| .SUP | Super Project Definition File | 3.4 |
| .MYAPP | Visual Studio Application XML File | 3.4 |
| .KPL | Kids Programming Language File | 3.4 |
| .MER | RSView Development Runtime File | 3.4 |
| .IPCH | Intellisense Precompiled Header File | 3.4 |
| .PRI | Package Resource Index File | 3.4 |
| .UML | UML Data Object Model | 3.4 |
| .PL | Prolog Source Code File | 3.3 |
| .MSHC | Microsoft Help Container File | 3.3 |
| .CP | Xcode C++ Source File | 3.3 |
| .ERB | Ruby ERB Script | 3.3 |
| .MSS | Microprocessor Software Specification File | 3.3 |
| .CLS | Program Class File | 3.3 |
| .OWL | OWL Source Code File | 3.3 |
| .MSHA | Microsoft Help Asset File | 3.3 |
| .CDF | CryENGINE Character Definition File | 3.3 |
| .INL | C++ Inline File | 3.3 |
| .XOML | Windows Workflow File | 3.3 |
| .CTXT | BlueJ Context File | 3.3 |
| .XOJO_XML_PROJECT | Xojo XML Project File | 3.3 |
| .V11.SUO | Visual Studio 2012 Solution User Options File | 3.3 |
| .M4 | Macro Processor Library | 3.3 |
| .PCP | Windows Installer Patch Creation Properties File | 3.3 |
| .ACD | RSLogix 5000 Program | 3.3 |
| .CSI | ContentServ Include File | 3.3 |
| .PYX | Pyrex Source Code File | 3.3 |
| .JPR | JBuilder Project | 3.3 |
| .REFRESH | Visual Studio Refresh File | 3.3 |
| .SRC | Source Code File | 3.3 |
| .SYM | Symbols File | 3.3 |
| .EXP | Symbols Export File | 3.3 |
| .A2W | Alice World | 3.3 |
| .TCL | Tcl Script | 3.3 |
| .PM | Perl Module | 3.3 |
| .CCN | Compressed Multimedia Fusion File | 3.3 |
| .PLI | PL/I Source Code File | 3.3 |
| .IST | InstallShield Project Template File | 3.3 |
| .VDP | Visual Studio Deployment Project | 3.3 |
| .VSMACROS | Visual Studio Binary Macro Project | 3.3 |
| .EDMX | ADO.NET Entity Data Model Designer File | 3.3 |
| .DGSL | Visual Shader Graph File | 3.3 |
| .WXL | WiX Localization File | 3.3 |
| .XOJO_PROJECT | Xojo Project File | 3.3 |
| .BUILDSETTING | Twixl Publisher Builder Build Setting | 3.3 |
| .VBPROJ | Visual Studio Visual Basic.NET Project | 3.2 |
| .OAT | Android Optimized Application File | 3.2 |
| .BSC | Visual Studio Source Browser Information File | 3.2 |
| .ASVF | Asphyre Sphinx Archive File | 3.2 |
| .MV | MivaScript File | 3.2 |
| .NSH | NSIS Header File | 3.2 |
| .WXS | WiX Source File | 3.2 |
| .LBI | Dreamweaver Library Item | 3.2 |
| .PXD | Pyrex Definition File | 3.2 |
| .PTL | Rational Rose Petal File | 3.2 |
| .PPC | Mobile Data Studio Project File | 3.2 |
| .FTN | Fortran Source Code File | 3.2 |
| .A | Static Library | 3.2 |
| .T | Turing Source Code File | 3.1 |
| .CBL | COBOL Source Code File | 3.1 |
| .LPROJ | Localized Project Folder | 3.1 |
| .IDT | Windows Installer Database Text Archive File | 3.1 |
| .DEC | Declaration File | 3.1 |
| .HPF | High Performance Fortran File | 3.1 |
| .VSSSCC | Visual Studio Solution Source Control File | 3.1 |
| .PCH | Precompiled Header File | 3.1 |
| .CAF | CryENGINE Character Animation File | 3.1 |
| .MOM | Managed Object Model | 3.1 |
| .POT | Portable Object Template | 3.1 |
| .VC | Verge Code File | 3.1 |
| .XCODEPROJ | Xcode Project | 3.0 |
| .VTM | Visual Tool Markup Language Document | 3.0 |
| .COB | COBOL Source Code File | 3.0 |
| .BCP | Borland C++ Makefile | 3.0 |
| .JCP | JCreator Project File | 3.0 |
| .RODL | RemObjects Definition Language File | 3.0 |
| .FBZ7 | Compressed FinalBuilder 7 Project | 3.0 |
| .VSZ | Visual Studio Wizard File | 3.0 |
| .CP | Captivate Source File | 3.0 |
| .FXL | FaceFX Language File | 3.0 |
| .SRC.RPM | Red Hat Package Manager Source File | 3.0 |
| .WIXLIB | WiX Library File | 3.0 |
| .PDM | VB Project Information File | 3.0 |
| .XOJO_MENU | Xojo Menu File | 3.0 |
| .CLIPS | Coda Clips File | 3.0 |
| .DPKW | Delphi Package | 3.0 |
| .VBZ | Visual Basic Project Template | 3.0 |
| .RNC | RELAX NG Compact Syntax File | 3.0 |
| .RBP | Real Studio Project File | 3.0 |
| .LBS | Omnis Library | 3.0 |
| .FXCPROJ | FX Composer Project File | 3.0 |
| .BS2 | BASIC Stamp 2 Code File | 3.0 |
| .FSPROJ | FireStarter Project File | 3.0 |
| .GED | Game Editor Project File | 3.0 |
| .WIXOUT | WiX XML Output File | 3.0 |
| .GS3 | GameStarter File | 3.0 |
| .IWS | IntelliJ IDEA Web Page | 3.0 |
| .AM5 | AutoPlay Media Studio 5 Project File | 3.0 |
| .VSPSCC | Visual Studio Project Source Control File | 3.0 |
| .GMO | GNU Machine Object File | 3.0 |
| .LICX | Visual Studio License File | 3.0 |
| .PAW | Paw Document | 3.0 |
| .DCUIL | Delphi .NET Compiled Unit File | 3.0 |
| .RESW | Windows Resources File | 3.0 |
| .SCRIPTSUITE | AppleScript Script Suite File | 3.0 |
| .VSPX | Visual Studio Performance Report Data File | 3.0 |
| .GSZIP | GameSalad Marketplace Asset File | 3.0 |
| .RSS | Symbian Application Resource File | 3.0 |
| .WPW | WinDev Mobile Window File | 3.0 |
| .RISE | RISE Editor Model File | 3.0 |
| .CCP | CodeCharge Studio Page File | 3.0 |
| .MDZIP | MagicDraw Project Archive | 3.0 |
| .DBPROJ | Visual Studio Database Project File | 3.0 |
| .XCAPPDATA | Xcode App Data File | 3.0 |
| .TLI | Typelib Generated C/C++ Inline File | 3.0 |
| .TESTRUNCONFIG | Visual Studio Test Run Configuration File | 3.0 |
| .GEMSPEC | Gem Specification File | 3.0 |
| .ODL | Object Description Language File | 3.0 |
| .PRI | Qt Project Include File | 3.0 |
| .P3D | Panda3D Multifile | 3.0 |
| .LUCIDSNIPPET | Lucid Snippet | 3.0 |
| .WIXMST | WiX Transform File | 3.0 |
| .WIXOBJ | WiX Object File | 3.0 |
| .CVSRC | CVS Command File | 3.0 |
| .PKGUNDEF | Visual Studio Shell File | 3.0 |
| .XQL | XML Query Language File | 3.0 |
| .REX | Rexx Source File | 3.0 |
| .LXSPROJ | Liquid XML Studio Project File | 3.0 |
| .BBPROJECT | BBEdit Project File | 3.0 |
| .TEXTFACTORY | BBEdit Text Factory | 3.0 |
| .NW | Node-Webkit App Package | 3.0 |
| .TMLANGUAGE | TextMate Language Grammar File | 3.0 |
| .TLD | Tag Library Descriptor File | 3.0 |
| .XOJO_BINARY_PROJECT | Xojo Binary Project File | 3.0 |
| .IWB | IWBasic Source Code File | 3.0 |
| .RAV | Rave Reports Project File | 3.0 |
| .XCSNAPSHOTS | Xcode Snapshot | 3.0 |
| .WDGTPROJ | Dashcode Widget Project | 3.0 |
| .PSC | Papyrus Script | 3.0 |
| .TNS | TI-Nspire Document | 3.0 |
| .PLE | Messenger Plus! Live Encrypted Log File | 2.9 |
| .SS | SilverStripe Source Code File | 2.9 |
| .MOD | Fortran Module | 2.9 |
| .ENT | External Entity | 2.9 |
| .CTL | Visual Basic UserControl Object File | 2.9 |
| .SPEC | RPM Specification File | 2.9 |
| .BRX | BREW Application Resource File | 2.8 |
| .XCARCHIVE | Xcode Archive | 2.8 |
| .DBA | CryENGINE Animation Database File | 2.8 |
| .C | Lite-C Script | 2.8 |
| .LICENSES | Visual Studio Licensed Classes File | 2.8 |
| .GREENFOOT | Greenfoot Project Archive | 2.8 |
| .4TH | Forth Language File | 2.8 |
| .FSPROJ | Visual F# Project File | 2.8 |
| .DSP | Visual C++ 6 Project | 2.8 |
| .VGC | ViziGen Code Generation Template | 2.8 |
| .XIB | Interface Builder File | 2.8 |
| .EDML | Adobe Extension Data Markup Language Document | 2.8 |
| .P | Pascal Source Code | 2.7 |
| .TDS | Turbo Debugger Symbols File | 2.7 |
| .BBPROJECTD | BBEdit Project Document | 2.7 |
| .CSN | Adobe Code Snippet Document | 2.7 |
| .VTV | Adobe Dreamweaver Validator Configuration File | 2.7 |
| .R | Rez Source Code File | 2.6 |
| .APS | Visual C++ Resource File | 2.6 |
| .ADDIN | Visual Studio Add-in Definition File | 2.6 |
| .RBW | Ruby Script | 2.5 |
| .POD | Perl POD File | 2.5 |
| .GROUPPROJ | Delphi Project Group File | 2.5 |
| .FSX | Visual F# Script File | 2.5 |
| .SDEF | AppleScript Dictionary Document | 2.5 |
| .PSM1 | Windows PowerShell Script Module File | 2.5 |
| .GFAR | Greenfoot Archive | 2.5 |
| .DCPROJ | Dashcode Project | 2.5 |
| .SQLPROJ | Visual Studio SQL Server Project | 2.5 |
| .PRG | Visual FoxPro Program File | 2.5 |
| .DPK | Delphi Package | 2.5 |
| .TU | Turing Source File | 2.5 |
| .DBO | DarkBASIC Object | 2.5 |
| .VSMPROJ | Visual Studio Text Macro Project | 2.5 |
| .VSMDI | Visual Studio Test Metadata File | 2.5 |
| .VTML | Visual Tool Markup Language File | 2.5 |
| .FXPL | Adobe Flash FXP Library | 2.5 |
| .XQM | XQuery Module | 2.5 |
| .INFORM | Inform Project | 2.5 |
| .MSP | MaxScript Page File | 2.4 |
| .WIXPROJ | WiX Project File | 2.4 |
| .LHS | Literate Haskell Script | 2.4 |
| .CFC | ColdFusion Component File | 2.4 |
| .PDE | Processing Development Environment Source Code File | 2.4 |
| .VSP | Visual Studio Performance Report File | 2.4 |
| .LIT | Literate Haskell Script | 2.4 |
| .RKT | Racket Source Code File | 2.3 |
| .DCU | Delphi Compiled Unit | 2.3 |
| .EXW | Euphoria Source code File | 2.3 |
| .GROOVY | Groovy Source Code File | 2.3 |
| .NED | OMNeT++ Network Description File | 2.3 |
| .DFM | Delphi Form | 2.3 |
| .CSI | EdLog Program Data File | 2.3 |
| .BPG | Borland Project Group | 2.2 |
| .NCB | Visual C++ IntelliSense Database | 2.2 |
| .CCGAME | XNA Creators Club Game Package | 2.1 |
| .WFM | dBASE Form | 2.0 |
| .WIXMSP | WiX XML Patch File | 2.0 |
| .MAGIK | Magik Source Code File | 2.0 |
| .NFM | Delphi .NET Form File | 2.0 |
| .ARTPROJ | Artifacts Project | 2.0 |
| .RESJSON | Windows JavaScript Resources File | 2.0 |
| .FSI | Visual F# Signature File | 2.0 |
| .VCP | eMbedded Visual C++ Project File | 2.0 |
| .MSL | Mapping Specification Language File | 2.0 |
| .NQC | Not Quite C Source Code File | 2.0 |
| .WXI | WiX Include File | 2.0 |
| .WIXPDB | WiX Debug File | 2.0 |
| .XQUERY | XQuery Source Code File | 2.0 |
| .SBPROJ | OpenGL Shader Builder Project | 2.0 |
| .DBA | DarkBASIC Source Code File | 2.0 |
| .DBPRO | DarkBASIC Professional Project File | 2.0 |
| .SSC | SourceSafe Status File | 1.8 |
| .DEVICEIDS | Device Identification FIle | 1.7 |
| .JPX | JBuilder Project | 1.6 |
| .R | REBOL Script | 1.4 |
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