In 2018, GitHub experienced significant growth, with more new users joining than in its first six years combined and over 100 million repositories hosted, largely due to the thriving open source community. The final Octoverse report of the year highlighted the most active new open source projects, based on the number of stars and contributors they received in their initial 28 days of being public. These projects ranged from coding tutorials and algorithm examples to professional tools and entertainment, demonstrating a wide array of interests and skill levels within the community. Notable projects included those aiding in learning to code, such as trekhleb/javascript-algorithms, as well as professional tools like denoland/deno and ValveSoftware/Proton. The year also saw a rise in projects related to JavaScript, machine learning, and Windows app development. Overall, the report celebrates the diverse contributions and innovation within the open source community, emphasizing a welcoming environment for both new and experienced developers.