| Mark Gates | 
 | Alex Warshavsky  | 
 |  | 
 |   * original authors | 
 |  | 
 | Ajay Tirumala | 
 |  | 
 |   * general improvements  | 
 |  | 
 | Jim Ferguson <ferguson@ncsa.uiuc.edu> | 
 |  | 
 |   * Project management | 
 |  | 
 | Jon Dugan <jdugan@x1024.net> | 
 |  | 
 |   * Project maintainer and release coordinator | 
 |   * various patches and autoconf fixes, general maintenance | 
 |  | 
 | Feng Qin | 
 | Kevin Gibbs | 
 |  | 
 |   * windows porting work | 
 |  | 
 | John Estabrook <jestabro@ncsa.uiuc.edu> | 
 |  | 
 | Andrew Gallatin <gallatin@gmail.com> | 
 |   * threading fix and non Linux performance improvements | 
 |  | 
 | Stephen Hemminger <shemminger@linux-foundation.org> | 
 |   * Linux congestion control selection and theading improvements | 
 |  | 
 | Nathan Jones <nmjones@users.sourceforge.net> | 
 |   * patch for underflow when value specified in -n is not a multiple of -l | 
 |  | 
 | Gerrit Renker <grenker@users.sourceforge.net> | 
 |   * replace costly gettimeofday() with nanonsleep() |