you may not copy , decompile , reverse engineer , disassemble , attempt to derive the source code of , modify , or create derivative works of the truecaller software applications , any updates , or any part thereof -lrb- except as and only to the extent any foregoing restriction is prohibited by applicable law or to the extent expressly permitted by these terms or may be permitted by the licensing terms governing use of any open source components included in the truecaller software applications -rrb- .