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Battle-tested building blocks for running your own platform, from orchestration and provisioning to routing, monitoring, and deployment.

From uptime pings and metrics to traces and error tracking, these are the self-hostable projects that tell you what your systems are really doing.

From the design tools that replace Figma to the systems, icons, and canvases that make products look and feel finished, these are the open-source projects shaping how software gets designed.

The frameworks, runtimes, and libraries that quietly power a huge share of what you use in a browser every day.

The infrastructure backbone stack — from container orchestration and infrastructure-as-code to monitoring, routing, and self-hosted deployment — that keeps modern services running.

A ranked tour of the open-source apps, frameworks, and toolkits that make Android and iOS worth hacking on, from device mirroring to cross-platform app development.

Battle-tested open-source infrastructure for orchestrating containers, routing traffic, monitoring systems, and running your own platform end to end.

Six open-source projects that cover the full journey of data, from wrangling and querying to large-scale processing and the dashboards that make it all make sense.

Five open-source workhorses that carry data from raw files through heavy processing all the way to the dashboard and the chart.

Battle-tested tools and references that working developers reach for every day, from the editor you code in to the terminal tricks that save hours.