Our great sponsors
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Konva
Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
Because I have huge experience with maintaining open source. Open source is cool. But monetization of open-source work is very unsustainable these days. I am a maintainer of https://konvajs.org/. It is the most popular JS library for canvas drawing. I spend time on it every day: support, documentation, answering questions, etc. Do you know how much I have from donations? 400 USD per month is max I had. Large companies with large income are using that library. They benefit from using Konva. And I am not getting much back from it. The same situations for major part of OSS. Sustainable income from OSS is a rare exception. I am accepting this current situation. I am still hard working on that library and truly grateful for everyone who supports that library. And I am glad I have opportunity to improve it and collaborate with some companies through Konva.