Cxref is a program that will produce documentation (in LaTeX, HTML, RTF or SGML) including cross-references from C program source code. It works for ANSI C, including most gcc extensions. The documentation for the program is produced from comments in the code that are appropriately formatted. The cross referencing comes from the code itself and requires no extra work.
ProcMeter3 is a program for monitoring the system status and other information and displaying it in a series of graphs or as text. Most of the information comes from the /proc filesystem (cpu usage, load average , processes information, memory usage, network traffic, interrupts etc.). Other information is available for other sources (date, time, email status, log file length, disk status etc.). The program is modular and highly configurable.
The WWWOFFLE programs simplify World Wide Web browsing from computers that use intermittent (dialup) connections to the Internet. It is a simple proxy server with special features for use with dial-up Internet links. It makes it possible to browse Web pages and read them without having to remain connected. There are too many features to mention, but they include privacy control, cookie/advert blocking, efficient bandwidth usage by specifying intervals between refreshes, options to monitor pages regularly, recursive fetching, HTML cleaning, highlighting of cached links, indexes of cached pages, searching of cached pages, and many more.