The Round Robin Database Tool (RRDtool) is a system to store and display time-series data (e.g. network bandwidth, machine-room temperature, server load average). It stores the data in Round Robin Databases (RRDs), a very compact way that will not expand over time. RRDtool processes the extracted data to enforce a certain data density, allowing for useful graphical representation of data values.

Basilisk II is an Open Source 68k Macintosh emulator. That is, it enables you to run 68k MacOS software on you computer, even if you are using a different operating system. However, you still need a copy of MacOS and a Macintosh ROM image to use Basilisk II.

VLC is the VideoLAN project's media player. It plays MPEG, MPEG-2, MPEG-4, DivX, MOV, WMV, QuickTime, WebM, FLAC, MP3, Ogg/Vorbis files, DVDs, VCDs, podcasts, and multimedia streams from various network sources.

HTMLDOC is a program for writing documentation in HTML and producing indexed HTML, PostScript, or PDF output (with tables of contents). It supports most HTML 3.2 and some HTML 4.0 syntax, as well as GIF, JPEG, and PNG images.

It emulates a slightly extended vt100 with some extensions and bling: * Most escapes supported by xterm, rxvt, Xterm 256 color, etc. work * Background effects, Transparency, bitmap and scalable fonts supported * Themes for the layout and design, and a visual bell. * URL, file path and email address detection and link-handling * Inline display of link content * Multiple copy and paste selections and buffer support * Works in X11, Wayland and directly in the Linux framebuffer (fbcon) * Finger/touch controlled, scan scale by UI scaling factors * Render using OpenGL or OpenGL-ES2 or Software mode. * Can display inlined multimedia, multiple tabs and split into multiple panes * Block text selection. Drag and drop of text selections and links * Can stream media from URLs * Tab switcher has live thumbnail content * Single process, multiple windows/terminals support

WebKit is a web content engine, derived from KHTML and KJS from KDE, and used primarily in Apple's Safari browser. It is made to be embedded in other applications, such as mail readers, or web browsers.