I would like to thank to following people for helping to bring RRDtool into existence. Planning and Inspiration Daniel Wesemann Krister Karlson Simon Leinen Debugging and code contributions Andreas Kroomaa Andrew Turner (LAST consolidator) Bernard Fischer 64bit stuff and --alt-autoscale-max Bill Fenner Blair Zajac Dan Dunn Hermann Hueni (SunOS porting) Jeff R. Allen (autoconfigure, portability) Joel Becker AIX Joey Miller php3 and php4 bindings Jost.Krieger Larry Leszczynski Otmar Lendl (lots of bugfixes) Paul Joslin Philippe.Simonet (NT porting) Poul-Henning Kamp CDEF enhancements REIBENSCHUH Alfred AIX Roman Hoogant Russ Wright Simon Leinen Stefan Mueller HPUX 11 Steve Rader (rrd_cgi debugging and LAST) Terminator rAT Christophe VG Shane O'Donnell Tuc Mike Mitchell Ulrich Schilling AIX Wrolf Courtney (HP-UX) Alan Lichty Alex van den Bogaerdt (rrd_resize.c and more) Frank Strauss TCL bindings Jakob Ilves HPUX 11 Jeremy Fischer (Makefile changes & RPM builds) Oleg Cherevko Rainer Bawidamann Selena M Brewington add_ds Steen Linden Steve Harris AIX portability Tom Crawley (GCC&HP configuration) Albert Chin-A-Young Sean McCreary mccreary@xoanon.colorado.edu Bruce Campbell Sean Summers (RPM .spec) Christophe Van Ginneken (--no-legend) Wolfgang Schrimm xport function Travis Brown Peter Stamfest initial multi-thread support David L. Barker xport function bug fixes Mike Slifcak many rrdtool-1.1.x fixes Peter Speck eps/svg/pdf file format code in rrdtool-1.x David Grimes SQRT/SORT/REV/SHIFT/TREND Henrik Storner make rrd_graph() provide the min/max values of data in graph Documentation Alan Lichty Alex van den Bogaerdt Amos Shapira Kai Siering Russ Wright Steve Rader Wrolf Courtney Tobias Weingartner hendrik visage Steve Rader Jesús Couto Fandiño Packaging Henri GOMEZ -- Redhat RPMs Philippe Simonet -- NT Binaries Internet Resources LAN Services AG (www.lan.ch) for the http://rrdtool.eu.org domain reflector Alexander Lucke (lucke@dns-net.de) and DNS:NET Internet Services (www.dns-net.de) for http://rrdtool.org Further I would like to note, that RRDtool would not exist without the following free software products: Perl by Larry Wall libart by Raph Levien freetype by David Turner, Robert Wilhelm, and Werner Lemberg libpng by Glenn Randers-Pehrson / Andreas Eric Dilger / Guy Eric Schalnat cgilib by Martin Schulze zlib by Jean-loup Gailly and Mark Adler SNMP Perl-Module by Simon Leinen and last but not least Linux by Linus Torvalds I would also like to thank the Department of Electrical Engineering at the Swiss Federal Institute of Technology who allow me to use their network resources to publish RRDtool ... During Summer 1999 CAIDA (www.caida.org) has supported me in working full time on RRDtool ... A big thank you to them as well. Tobias Oetiker