It’s the catch-22 of the startup world: you want to launch something cool, but you need money to do it, but you won’t have money until you launch something cool.

Hey, we get it. While it’s harder to get your startup off the ground without much of a budget, we’re big believers in constraints; sometimes, the fewer resources you have at your disposable, the more clever and thrifty you get. Below, you’ll find 28 tools to help you bring your idea to life—everything from products that will help you build and design an app on the cheap, to plug-ins and services that will make it easier to market and promote your idea. We hope you find a few things in here that help make your launch a runaway success.