ReProvision Alternatives
ReProvision is described as 'provides automatic re-provisioning of iOS applications to avoid the 7-day expiration associated with free certificates' and is an app in the system & hardware category. There are three alternatives to ReProvision for a variety of platforms, including iPad, iPhone, Windows, Linux and Mac. The best alternative is AltStore. It's not free, so if you're looking for a free alternative, you could try iNoJB or Cydia Impactor.
A home for apps that push the boundaries of iOS. No jailbreak required.
Features
iNoJB, formerly known as "iNoCydia", is a Cydia alternative made by Colton, It has many tweaks as well as apps from the Emu4iOS Store that require no Jailbreak or PC to install. As of version 2.
BundlewareIt contains several ads and phishing links too
iNoJB vs ReProvision opinions
It's not an IPA resigning application.
Cydia Impactor is a GUI tool for working with mobile devices. It has features already, but is still very much a work-in-progress. It is developed by saurik.