SAP System software for ABAP biginners

Hi All..

I have undergone SAP-ABAP training in TCS but unfortunately there no requirememnts for ABAP trainees in projects so they will keep me on some other technology projects so i dont want want to loose my skills related to ABAP..

so please let me know how could i practice home??

is there any SAP software to practice??

and also..

if part time online job using ABAP available please let me know or else how do i practice realtime projects by sitting in home after my office..

I hope you have understood my doubts. i will be expecting your suggestions..

Thanks