We've collected 34 approaches to monetize open-source software in an open github repository. Feel free to use and feedback is welcome!

Design tool like no other. Prototypes that feel real, with powers of code components, logic, states and design systems.

Hi, I’m Jakub Linowski and the goal of Fastforward is to find repeatable patterns with the highest probabilities of lifting conversion rates. To do this we run experiments with trusted companies open to testing similar ideas. So far we have identified 71 patterns based on 117 tests and we're adding new tests each month.

Design quick mocks, directly on your phone. Napkin is a lightweight user interface design tool made for mocking up quick ideas directly on your iPhone. Core features include:

Flinto lets designers quickly make interactive prototypes of their mobile, desktop, or web apps. Email hello@flinto.com for support.

Bootstrap is an open-source toolkit for developing with HTML, CSS, and JS. Quickly prototype your ideas or build your entire app with our Sass variables and mixins, responsive grid system, extensive prebuilt components, and powerful plugins built on jQuery.

Bringing the world's ideas to life. Started as a side-project in 2013, we're now home to nearly 2 million individuals and teams around the world who use Marvel to make ideas a reality.

p5.js is a JavaScript library for creative coding, with a focus on making coding accessible and inclusive for artists, designers, educators, beginners, and anyone else! p5.js is free and open-source because we believe software, and the tools to learn it, should be accessible to everyone.

Weld (www.weld.io) is a tool that allows you to create visual, animated, interactive content on your existing web/e-commerce platform.

Principle makes it easy to design animated and interactive user interfaces. Whether you're designing the flow of a multi-screen app, or new interactions and animations, Principle helps you create designs that look and feel amazing.

The only Visual Collaboration platform built for enterprise-wide collaboration. Freehand by InVision is exclusively designed to help all teams unlock productivity, insight, and connection.

Typewolf helps designers choose the perfect font combination for their next design project—features web fonts in the wild, font recommendations and learning resources.

With Mackaroo you can test your APIs more easily and realistically than ever. It generates more than 9,000 female and male names and 50,000 surnames in many different languages so you can get a real-world view of your product.

Template Stash is a curated collection of the best free Website templates.