-
up-for-grabs.net
This is a list of projects which have curated tasks specifically for new contributors. These issues are a great way to get started with a project, or to help share the load of working on open source projects. Jump in!
-
hacktoberfest
Discontinued Hacktoberfest - App to manage the annual open-source challenge, used for the 2019 & 2020 seasons. (by digitalocean)
-
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.
https://up-for-grabs.net/#/
Just off the top of my head, hacktoberfest is a thing every October that lists how and where to get into open source. https://hacktoberfest.digitalocean.com/