•  Compare Directories using Diff in Linux

Comparisons

•  DiffUtils
•  Data Comparator Survey
•  http://en.wikipedia.org/wiki/Comparison_of_file_comparison_tools
•  Visual Diff Tools in Linux
•  http://wiki.ubuntuusers.de/Textdateien_vergleichen
•  http://www.thefreecountry.com/programming/filecomparison.shtml

untested

•  http://csvdiff.sourceforge.net
  •  http://de.wikipedia.org/wiki/Csvdiff
  •  http://diff-csv.rubyforge.org/

Side-by-Side

•  WinMerge
  •  http://de.wikipedia.org/wiki/WinMerge
  •  http://en.wikipedia.org/wiki/WinMerge
•  Meld
•  Kompare
  •  http://en.wikipedia.org/wiki/Kompare
  •  http://de.wikipedia.org/wiki/Kompare
•  BeeDiff
•  KDiff3
•  xxdiff
•  tkdiff
•  DiffMerge
•  http://diffuse.sourceforge.net

Single-screen-display

•  CSDiff  CSDiff
•  HTML Diff

Diff-Style

Line-by-Line

•  Diffutils
• cmp (Diffutils)
•  DiffUtils for Windows
• comp and  fc
•  Diffutils
•  Dateien vergleichen mit diff und KDiff3
•  Diff!
•  patch & diff
•  http://en.wikipedia.org/wiki/Diff
•  http://de.wikipedia.org/wiki/Diff
•  Patching the differences
•  Comparing and Merging Files
•  Gegenüberstellung

Word-by-Word

•  dwdiff  See changes word by word with dwdiff
•  wdiff

Other

•  imediff2
•  docdiff
•  Parallelizing diff Filter
•  ColorDiff
•  online diff utility
•  Xdiff  xdiff
•  Text_Diff
•  DokuWiki Diff Syntax PlugIn

Tools

•  diff-ext
  •  Doing a diff without touching the command line
  •  http://www.ashebrowne.com/index.php/2010/08/21/nautilus-extensions-diff-and-resize/
  •  http://morgancollett.wordpress.com/2008/11/19/comparing-files-in-nautilus-with-diff-ext/
•  meta-diff

XML

•  XmlDiff
  •  xmldiff patches XML files by sending just the changes
•  diffxml & patchxml
•  3DM

Database

•  DataDiff
•  pgdiff
•  Another PostgreSQL Diff Tool
•  SQLDiff
•  MDB Diff

SQLyog

•  http://en.wikipedia.org/wiki/SQLyog
  • works with WINE
  •  http://www.webyog.com/faq/content/31/71/en/can-i-use-sqlyog-with-the-wine-windows-emulator-on-linux.html
  •  http://www.webyog.com/images/screenshots/linux_gnome.png
  •  http://www.webyog.com/images/screenshots/linux_kde.png

schema-only

•  mysql-diff (aktueller als mysqldiff)
  •  Demo
  •  Related
•  http://www.mysqldiff.org ( zu alt ? )
•  http://adamspiers.org/computing/mysqldiff/ ( zu alt ? angeblich buggy ? )

MySQL Workbench

"MySQL Workbench includes Schema Synchronization and Comparison utilities" -  http://www.mysql.com/products/workbench/

I've used it for this and it does a pretty good job in generating the DDL needed to make one schema look like another.

•  Creating a Catalog Diff Report
•  MySQL Workbench for Database Change Management
•  Feature Comparison Grid
•  Using MySQL Workbench To Generate Structure Differences
•  Synch via Script
•  Synch via command-line?

data-only

•  http://www.maatkit.org
  •  mk-table-sync
  •  Make Your Life Easier With Maatkit
•  TableSyncer
•  Synchronize your databases with SqlSync

misc

•  http://2skies.com/docs/Comparing_mysql_tables_with_mysqldump_and_diff
•  http://stackoverflow.com/questions/218499/mysql-diff-tool
•  Compare two MySQL databases
•  DdlUtils
•  Evolutionary Database Design
•  openDBcopy

Liquibase

•  Refactoring von Datenbankschemas mit Liquibase
  •  http://www.ibm.com/developerworks/java/library/j-ap08058/

mysqldump

•  http://dev.mysql.com/doc/refman/5.0/en/mysqldump.html
•  Synchronizing database structure and/or data
•  http://codesnippets.joyent.com/posts/show/862
•  http://www.postal-code.com/binarycode/2008/01/21/mysqldump-dumping-just-the-schema/
•  http://chriswa.wordpress.com/2008/02/20/mysqldump-data-only/
•  http://tugll.tugraz.at/96784/weblog/5999.html