lmder_(3) on Linux
The text 0d6d84a2259d, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.
minimize the sum of squares of m nonlinear functions, with user supplied Jacobian