Xpra was originally just "persistent remote applications" for X11, it is now much more, supporting many platforms both as clients and servers, including a builtin HTML5 client, many protocols (SSH, UDP, VSOCK, SSL, RFB, mDNS, etc) and an unrivalled number of features: accelerated OpenGL rendering, hardware accelerated compression of graphics and audio, forwarding of webcam, printing, notifications, system trays, file transfers, drag and drop, etc
- Twitter: The most important requirement is to show that the student can
- work with the project's infrastructure, primarily: the bug tracker, wiki and the IRC channel,
- adhere to the development process: getting code reviewed and merged via a patches or pull requests,
- understand the codebase well enough to contribute: ideally by submitting bug fixes or new features