A method performed by a device having a processor and memory for enhancing operable functionality of a source code program, comprising: receiving , by the device, a source code program submitted by a developer; identifying , by the device, one or more libraries in the source code program; evaluating , by the device, each of the one or more libraries for a plurality of predetermined selection criteria specifying library performance limitations to identify at least a first library which does not meet the plurality of predetermined selection criteria; generating a library upgrade recommendation to substitute the at least first library which does not meet the plurality of predetermined selection criteria with at least a first alternative library, wherein generating the library upgrade recommendation comprises: evaluating at least the first library which does not meet the plurality of predetermined selection criteria against a repository of alternative libraries; and identifying, by the device, the at least a first alternative library from the repository as the library upgrade recommendation that is suitable for substitution for the first library by at least resolving the library performance limitations; retrieving the identified first alternative library from storage; and automatically modifying the source code program by substituting the first library with the identified and retrieved first alternative library, thereby generating a modified source code program having an upgraded library functionality that resolves the specified performance limitations associated with at least a first library . receiving , by the device, a source code program submitted by a developer; identifying , by the device, one or more libraries in the source code program; evaluating , by the device, each of the one or more libraries for a plurality of predetermined selection criteria specifying library performance limitations to identify at least a first library which does not meet the plurality of predetermined selection criteria; generating a library upgrade recommendation to substitute the at least first library which does not meet the plurality of predetermined selection criteria with at least a first alternative library, wherein generating the library upgrade recommendation comprises: evaluating at least the first library which does not meet the plurality of predetermined selection criteria against a repository of alternative libraries; and identifying, by the device, the at least a first alternative library from the repository as the library upgrade recommendation that is suitable for substitution for the first library by at least resolving the library performance limitations; retrieving the identified first alternative library from storage; and evaluating at least the first library which does not meet the plurality of predetermined selection criteria against a repository of alternative libraries; and identifying, by the device, the at least a first alternative library from the repository as the library upgrade recommendation that is suitable for substitution for the first library by at least resolving the library performance limitations; retrieving the identified first alternative library from storage; automatically modifying the source code program by substituting the first library with the identified and retrieved first alternative library, thereby generating a modified source code program having an upgraded library functionality that resolves the specified performance limitations associated with at least a first library . <EOS>