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im Using Vanilla 2.1 & Bootstrap Theme & Latest Versions on Karma Bank. but Karma Leaderbord Plugin Deleted by Vanilla If Any one Have this Plugin
You would need to write code to produce this functionality that is compatible with your theme and version of vanilla.
However, the exact plugin you mentioned was proprietary licensed and not available for re-distribution. so posting of the exact plugin would be a license violation.
addons are deleted for a reason, not for re distribution.
I may not provide the completed solution you might desire, but I do try to provide honest suggestions to help you solve your issue.