Grammarly - Clear, effective, mistake-free writing everywhere you type.
Steel Bank Common Lisp - Steel Bank Common Lisp (SBCL) is a high performance Common Lisp compiler.
LanguageTool - Free proofreading tool for OpenOffice, LibreOffice, Firefox, and Chrome.
Clozure Common Lisp - Clozure CL (often called CCL for short) is a free Common Lisp implementation with a long history.
Hunspell - Hunspell is the spell checker of LibreOffice, OpenOffice.
Hy - Hy is a wonderful dialect of Lisp that’s embedded in Python.