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Master programming by recreating your favorite technologies from scratch.

? Awesome lists about all kinds of interesting topics

A list of Free Software network services and web applications which can be hosted on your own servers

? Path to a free self-taught education in Computer Science!

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

A curated list of awesome Go frameworks, libraries and software

Coding articles to level up your development skills

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

Design patterns implemented in Java

? Now we have become very big, Different from the original idea. Collect premium software in various categories.