1. A more intelligent replacement for the ispell spell checker Aspell is an interactive spell checker that is designed to eventually replace ispell. It does a much better job of coming up with possible suggestions than ispell (and in some cases even Microsoft Word 97's spell checker). It also has run time support for other non English languages. aspell can learn from users misspellings. Aspell is designed to be a drop-in replacement for ispell. This package comes with a minimal man page. If you want more detailed documentation you should install the aspell-doc package and read the documentation in /usr/share/doc/aspell-doc/. From Debian 3.0r0 APT

2. Aspell is a spelling checker designed to eventually replace Ispell. Aspell's primary advantage (over Ispell) is greater ability tosuggesting correct spellings. Aspell includes both compile-time and run-time support for non-English languages and can spellcheck (La)TeXand HTML files. From Redhat 8.0 RPM

3. GNU Aspell is a Free and Open Source spell checker designed to eventually replace Ispell. It can either be used as a library or as an independent spell checker. Its main feature is that it does a much better job of coming up with possible suggestions than just about any other spell checker out there for the Englishlanguage, including Ispell and Microsoft Word. It also has many other technical enhancements over Ispell such as using shared memory for dictionaries and intelligently handling personal dictionaries when more than one Aspell processis open at once. From Mandrake 9.0 RPM