We also had a similar problem, but we choose to opt for the Value package option to get most of the IBM software for use in our development. You may choose to opt for "value options" priced around 790$. All the software you get under the run your business software in this package will be legal. This package will be valid for 12 months from the date of purchase.
If you want you can check out more details about value options from this page.
The list of software you could use to develop application or internal use is available from this page. you have most products from DB2, Websphere and Lotus platform for use legally.
We also had a similar problem, but we choose to opt for the Value package option to get most of the IBM software for use in our development. You may choose to opt for "value options" priced around 790$. All the software you get under the run your business software in this package will be legal. This package will be valid for 12 months from the date of purchase.
If you want you can check out more details about value options from this page.
{Link}
The list of software you could use to develop application or internal use is available from this page. you have most products from DB2, Websphere and Lotus platform for use legally.
https://www.developer.ibm.com/partnerworld/mem/pat/pat_sw_down_ryb_vpkg.html
You will need to register and get a username and password from this page to view both the links above.
{Link}
Best
Srinivas