Freek.dev

So I'd like to stress that while it really came together in just about ten days or so, it wasn't like it was some kind of mad dash of coding. The actual amount of that early code is actually fairly small, it all depended on getting the basic ideas right. And that I had been mulling over for a while before the whole project started. I'd seen the problems others had. I'd seen what I wanted to avoid doing.

The source code manager to build git was... git.

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This is a list of projects which have curated tasks specifically for new contributors. These are a great way to get started with a project, or to help share the load of working on open source projects.

If you want to start contributing to open start software, but don't know where to begin, just use the above site to help fix some low hanging fruit.

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PHPCI is a free and open source continuous integration tool specifically designed for PHP. Built with simplicity in mind and featuring integrations with all of your favourite testing tools, we've created the very best platform for testing your PHP projects.

Over at Sitepoint Peter Nijssen wrote a good overview of the offered functionality.

I've been playing around with the self-hosted version. It comes with a bunch of plugins that are installed by default.

I can recommended it if you, like me, are starting out with CI.

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https://github.com/thephpleague/commonmark

This Markdown parser is released by the League of Extraordinary Packages, a group of developers who have banded together to build solid, well tested PHP packages using modern coding standards.

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A framework for easily creating beautiful presentations using HTML.

https://github.com/hakimel/reveal.js

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