Don't even need to jailbreak, nowadays you can build/sideload using a free iOS developer account, especially if the projects in question are open source.
...which only works for a few days until you need to build/sideload again on a free account. (Or a full year if you have a 100$ a year paid dev account).
Sideloading isn't a solution because Apple artificially crippled it to make it only useful for demoing and testing apps, not as a secondary install method.
