1 Ivo Hofacker (all parts)
2 Peter Stadler (design, documentation, cluster algorithms)
3 Walter Fontana (suboptimal folding, pre-historic implementation of mfe folding)
4 Stefan Wuchty (suboptimal folding)
5 Stephan Bernhart (cofolding, local folding)
6 Ulli Mueckstein (RNAup)
7 Ronny Lorenz (redesign for version 2.0, documentation, circfolding, RNA2Dfold, RNAparconv and more)