Lazarus 是一个 Free Pascal 类似于 Delphi 的类库. Free Pascal 是一个 (L)GPL'公约下的可以运行在 Linux ,Win32,OS/2,68K 以及更多系统下的编译器.Free Pascal 被设计兼容 Delphi 语法, 即OOP.
Lazarus 将让你方便的像使用 Delphi 一样在所有的平台设计程序. IDE 将最终成为像 Delphi 一样的 RAD.
Lazarus官网：www.lazarus.freepascal.org
试用了之后发现编译速度很慢,而且默认编译的体积比较大,使用strip --strip-all处理一下,体积能够减小60%.
这个是它的一些Screenshots
 IDE Windows |
 Compiling |
 Object Inspector - Properties |
 Object Inspector - Events |
 Debugger - All Windows |
 Debugger - Breakpoints |
 Debugger - Callstack |
 Debugger - Locals |
 Debugger - Watches |
 Compiler Options - Search Paths |
 Compiler Options - Parsing |
 Compiler Options - Code Generation |
 Compiler Options - Linking |
 Compiler Options - Other |
 Editor Options - General |
 Editor Options - Display |
 Editor Options - Key Mappings |
 Editor Options - Color |
 Editor Options - Code Tools |
 Environment Options - Desktop |
 Environment Options - Files |
 Environment Options - Backup |
 External Tools |
 Replace Dialog |
 Run Parameters |
 CodeTools Defines Editor |
 CodeTools Options - General |
 CodeTools Options - Code Creation |
 CodeTools Options - Line Splitting |
 CodeTools Options - Space |
 Sample of Lazarus running in Mac OSX |
free pascal 直接的下载地址是:http://jaist.dl.sourceforge.net/sourceforge/lazarus/fpc-2.0.2a.i386-win32.exe
lazarus 直接的下载地址是:http://jaist.dl.sourceforge.net/sourceforge/lazarus/Lazarus-0.9.16-20060528-win32.exe