The IDS Developer Edition is a free version of Informix Dynamic Server that can be used for the development of database applications. It contains the full functionality of IDS 11 Enterprise Edition like:

• MACH 11 including CLR, HDR, RSS and SDS functionality
• Label Based Access Control
• Client Software Development Kit
• Java in the Server
• Open Admin Tool
• AGS Server Studio
• DataBlade Developer Kit
• Built-in Datablades like the Basic Text Search or Web Feature Service Datablade
• Onbar & Ontape
• and many many more…

There are a few restrictions that you should be aware of:

• 1 CPU (one CPU VP)
• 1 GB of main memory
• 8 GB total database disk space
• 20 concurrent connections maximum
• only to be used in development not production environments
• no support, only thru forums
  • IBM IDS Developer and User Forum
  • IBM Informix Dynamic Server Forum

The IDS Developer Edition is available on a broad range of platforms:

• IBM AIX® Power PC® 64-bit
• Hewlett-Packard HP-UX PA-RISC 64-bit
• Hewlett-Packard HP-UX Itanium® 64-bit
• Linux® Intel® 32-bit
• Linux Intel AMD 64-bit
• Sun Solaris SPARC 64-bit
• Sun Solaris AMD64/Opteron
• Windows® 2003 32-bit and 64-bit
• Windows XP 32-bit and 64-bit
• Windows Vista (except Home Edition) 32-bit and 64-bit