The PL/SQL Developer trial version is fully functional and has all the features you'll find in the registered version, it is only limited by a trial period of 30 days

PL/SQL Developer 32 bit – Evaluation

Version 11.0.6 (30 day trial version)
includes User's Guide in
Acrobat Reader PDF format

 


You can additionally download one or more Language Packs

 

Query Builder replacement Plug-In

Version Control Integration Plug-In vcs123.zip (500K)

Browser Extender Plug-In browserextender.com

Be sure to check out the Plug-Ins.


PL/SQL Developer 64 bit – Evaluation

Version 11.0.6 (30 day trial version)
includes User's Guide in
Acrobat Reader PDF format

plsqldev1106x64.exe (38M)