Telegram messenger is a cloud-based instant messaging designed for smart phones and similar to Whatsapp but more flexible, and powerful. You can send messages, photos, videos and documents to people who are in your phone contacts (and have Telegram). Telegram also supports secret chats whose provide a private (encrypted) way of communication.

Dime is a C++ class library for reading, constructing, manipulating, and writing DXF file data.

Zabbix is a server/client network monitoring system with many features. It can be used for:

It includes a web server, a telnet server, a multiplayer RPG engine, a generic client and server for remote object access, and APIs for creating new protocols.

The Ubuntu Font Family is a set of contemporary sans-serif fonts developed between 2010-2011. Dalton Maag performed the font design work and implementation with funding from Canonical. The fonts have been the default fonts for Ubuntu since 2010.

libwacom is a library to identify wacom tablets and their model-specific features. It provides easy access to information such as "is this a built-in on-screen tablet", "what is the size of this model", etc.