1. sb-texinfo
    sb-texinfo was originally written for processing the SBCL docstrings by Rudi Sclatte in 2004, and has been maintained as part of SBCL since then
  2. SB-X86-PORTIO
    SB-X86-PORTIO is a module for doing raw port I/O on SBCL/x86/x86-64
  3. SBCL
    Steel Bank Common Lisp is an open source / free software Common Lisp implementation
  4. SBCL Internals
    SBCL Internals was another CLiki installation for SBCL hackers to document bits of the internals of said CL implementation
  5. SC Language
    Tasuku Hiraishi's SC is an s-exp syntax (Scheme-like) for writing C code, implemented in Common Lisp
  6. scalpl
    Market maker + APIs to several Bitcoin exchanges
  7. Schedulers
    Scheduling of events/tasks/..., cron-like functionality, etc
  8. Scheme
    Scheme is a statically scoped and properly tail-recursive dialect of the Lisp programming language designed by Guy Lewis Steele Jr
  9. Scheme88
    Scheme88 is a re-implementation of Indiana University's Scheme84 programming language to run in Common Lisp
  10. schemeish
    Scheme-ish syntax and namings for Common Lisp