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LazyPDO is a wrapper over PHP's standard PDO class. It postpones the instantiation of the original PDO class until one is really needed. Also it can be (un)serialized.
Abandoned! See lazypdo/lazypdo
Simple AppNexus (appnexus.com) client
The simplest OOP wrapper for curl, curl_multi, curl_share functions. Use CURL as a dependency, not hard-coded!
Abandoned! See phpcurl/curlwrapper
A simple framework to run code in parallel processes
Simple locking mechanism on top of flock(). Ideal for cron jobs.
Simple UBER API client