A Web-to-RSS parser in Common Lisp. This software was written because a disappointing number of websites still does not have an RSS or Atom feed so you could subscribe to their updates. The script tries to find new articles on any website according to given criteria (CSS...
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted

An operating system written in Common Lisp. Contribute to froggey/Mezzano development by creating an account on GitHub.

Steel Bank Common Lisp (SBCL) is a high performance Common Lisp compiler. It is open source / free software, with a permissive license. In addition to the compiler and runtime system for ANSI Common Lisp, it provides an interactive environment including a debugger, a statistical...
CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux


CMUCL is a free, high performance implementation of the Common Lisp programming language which runs on most major Unix platforms. It mainly conforms to the ANSI Common Lisp standard. CMUCL provides a sophisticated native code compiler; a powerful foreign function interface; an...
Cost / License
- Free
- Open Source
Platforms
- Mac
- Linux
Armed Bear Common Lisp (ABCL) is a full implementation of the Common Lisp language featuring both an interpreter and a compiler, running in the JVM. Originally started to be a scripting language for the J editor, it now supports JSR-223 (Java scripting API): it can be a...
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
ManKai Common Lisp (MKCL) aims to be a full implementation of the Common Lisp language in compliance with the ANSI X3J13 Common Lisp standard. It is free software distributed under the terms of the GNU Lesser General Public License (LGPL) with a few minor exceptions (see the...
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
Clozure CL (often called CCL for short) is a free Common Lisp implementation with a long history. Some distinguishing features of the implementation include fast compilation speed, native threads, a precise, generational, compacting garbage collector, and a convenient...
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
- BSD

Allegro CL is the most powerful dynamic object-oriented development system available today, and is especially suited to enterprise-wide, complex application development. Complex applications with billions of objects are now made easy with Allegro CL 9.0.
Cost / License
- Free Personal
- Proprietary
Platforms
- Mac
- Windows
- Linux
- BSD
GCL is the official Common Lisp for the GNU project. Its design makes use of the system's C compiler to compile to native object code, providing for both good performance and facile portability. GCL currently compiles itself and the primary free software Lisp applications...
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
- BSD

Cost / License
- Free Personal
- Proprietary
Platforms
- Mac
- Windows
- Linux
- BSD

LispIDE is a basic graphical shell for several Lisp and Scheme implementations available for Windows. LispIDE seems to work with: Corman Common Lisp, Steel Bank Common Lisp, CLISP, Gnu Common Lisp, Gambit Scheme, Bigloo Scheme, SCM Scheme, Arc, newLISP, OpenLisp, Clozure Common...

femtolisp is a simple, elegant Scheme dialect. It is a lisp-1 with lexical scope. The core is 12 builtin special forms and 33 builtin functions. It is fast, ranking among the fastest non-native-compiled Scheme implementations.





































