Wow. The FOSS implementation of the Exposure API has been released!
A free and open source software forge.
A library of text patching and diffing algorithms. Implementations in several languages including C++, C#, Java, JavaScript, and Objective-C.
In other words, if you hire an economist, they are as likely as anyone to argue not so much based on their economic education but rather based on their social standing and preexisting political biases.
A GNU/Linux distribution with atomic updates.
A Kubernetes distribution.
Via Rechtsbelehrung.
A tool to work with collections of Git repositories that comprise larger workspaces. Works especially well with Gerrit and makes submitting change sets for review easy.
A capability-based operating system from Google. (Git, change sets in review)
A kernel-space Linux null-modem emulator.
A set of opinionated plugins that make Gradle more like Maven, i.e. more rigidly structured and based on more uniform conventions.
A Quarkus extension for structured logging with JSON output.
Timing leak protection for Rust. For constant-time cryptography.
An HTTP server that can mock upstream services in integration tests. Has client libraries for JavaScript (browser and Node.js) and Java (including a JUnit5 extension).
A self-hosted Maven repository server. Small and light on resource use.
An introduction to the dark art of unsafe Rust.
Does stuff on save. Reformats and runs cleanups. Recommended.
An in-memory file system for Java that you can use in unit and integration tests. Implements the java.nio.file APIs.
Embed inline Python in Rust, use Rust to write Python modules.
An article explaining the rationale for Pijul and comparing it to other well-known DVCSs.
Free server software modeled after Firebase, with end-to-end encryption built in. Powers EteSync.
Curious fact: Most of the code of the C and Java client libraries is Rust.
Free server software and clients for personal data synchronization. Comes with Java, Rust, and Python libraries. Android client available on F-Droid, GNOME (Evolution) and KDE (Kontact) integrations upstreamed.