Is there chords that are especially well-suited for fingerpicking. There definitely is. Although you can use common open chords, there is tons of other possibilities. The purpose with this guide is to collect different groups of chords that can be used to anyone who likes to improvise on the guitar with fingerpicking.
In D key on the bass string
These are a group of chords with similar shapes that match each other and can be exploited for fingerpicking patterns.
Notice that you only use two shapes for all chords. In some the D string is included as an open string. It is still possible to include the open D-string in all chord, although it isn't a part of the chords it is part of the D major scale.
In E key with three-note chords
These are a group of chords which all include the two highest strings and all include three notes. They present ideas for effortless and beautiful fingerpicking music.
These group could be expanded further with matching chords such as x2xx00, x4xx00, xx1x00, and xx2x00, xx1x02, xx2x04, xx4x05, x4x10x and x0210x.
C#madd2 is more correct written C#madd2 (no5).
See also the guide to songwriting.