Roethlar is an independent software publisher that distributes its work publicly through GitHub, maintaining a small, focused portfolio of two open-source products. The first, Blit, is a high-performance file transfer solution offered as both a command-line interface and a background daemon, serving users who need to move files quickly and reliably between systems. As a CLI tool, it fits naturally into scripting and automation workflows, while the daemon component supports continuous, always-available transfer operations typical of server environments and power users managing large datasets or repeated synchronization tasks. The second product, Songr, is a multi-platform controller for the Roon Core, addressing a distinctly different audience: audio enthusiasts who use the Roon music management ecosystem. Songr allows users to interact with and control their Roon Core from a variety of devices and operating systems, reflecting a design emphasis on cross-platform accessibility. Taken together, Roethlar's catalog spans two common categories of modern utility software: system-level tooling for file transfer and infrastructure automation, and consumer-facing media control applications. The publisher's products demonstrate a preference for practical, performance-oriented software that solves specific technical problems rather than broad, all-purpose suites. By hosting its projects on GitHub, Roethlar makes its source code and releases openly accessible, enabling users, developers, and system administrators to inspect, adopt, and potentially contribute to the tools. Though modest in size, the range of offerings illustrates a developer-driven approach to software publishing, where targeted functionality and multi-platform support take priority over scale.