When comparing SchemaCrawler vs SQLeo, the Slant community recommends SchemaCrawler for most people. In the question“What are the best SQL graphical schema viewer / editor / import/export programs?” SchemaCrawler is ranked 4th while SQLeo is ranked 13th. The most important reason people chose SchemaCrawler is:
The text-based output serves for database documentation, and is designed to be diff-ed against other database schemas.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Many options for output formats in addition to graphical
The text-based output serves for database documentation, and is designed to be diff-ed against other database schemas.

Pro Extensive and detailed documentation online
Including visuals of the results of command-line option usage.

Pro Free
Pro Data compare
Pro Query builder
Pro Import / Export
html, insert, text or csv
Pro Color
Background color per connection.
Pro Schema compare
Cons
Con Need Java

Con Does not work with schema dumpfiles
SchemaCrawler has no methods for dealing with when you only have a schema generated via something like (mysqldump --no-data [options] >schema-only_dump.sql) , and do not currently have access to a live database to connect with.
Con Java
Needs JRE 1.7+
