Here's some of the dances I've done which haven't already been mentioned.
Set a Crochet - Traditional French Canadian
Couples scatter on floor, then find another couple
As couples, hook left elbows and turn
Circle left
Swing Neighbor, Swing Partner
Borrowdale Exchange - Scatter mixer
Formation: three couples in circle
Circle left, Circle right
Forward and Back, partner dosido
Hands-across right hand star. Starting with the two people whose hands are lowest, each pair pulls their partner to them for a swing
Promenade with your new partner to make new sets
Billingsdale Pattern - Chip Hendrickson
Two couples in line, women back to back
Hey for four
Dosido partner, Swing
Right hand star, Left hand star
Ladies Allemande R once and a half, Allemande L Neighbor. Start with Ladies back to back first two times, Gents back to back second two times.
Squeeze the Wheel - Rich Blazej
Circle of threesome facing threesome
Middles turn contra corners
All balance and swing opposite, end facing center of big circle
Four steps in, balance, four steps out, balance
Circle 6 once around, pass through
Space Debris - Jenkins
Individuals facing any direction
Promenade alone, find a partner, promenade any direction, find another couple
Circle L, circle R
Dosido partner, dosido opposite
RH star, take L hands as well, buzz step swing for 8, explode the star and promenade off alone
Luck of the Morris - Jacob Bloom
Circle of three couples. Each person's partner is diagonally across the circle of them. I have sets form up as for a triplet, then say, "Second couple change places with your partner, first and third ladies change places with each other." Each couple is active in turn.
Actives lead Forward 6 and Back (the actives take the people on each side of them and lead towards their partner diagonally across from them), all swing opposite, Actives end their swing facing one of the end couples and the others end facing the middle
Actives with one end couple Ladies chain over, chain back, actives do an extra half turn
Half Right and Left with the other end couple, Actives go between them, cast off with next couple
Circle 6 to the left, all into center and back. (The next time through, a different couple leads the Forward 6 and Back.)
Cornwall 6 Hand Reel, Walpole Cottage, General Dummer's Reel, Levi Jackson Rag, and The Weevil have already been mentioned. A word about The Weevil: I've found it important to emphasize to the dancers that they are NOT standing across from any other dancer. Instead, the three dancers on one side are standing across from the spaces between the four dancers on the other side. If they stand across from another dancer, they will get confused when they try to change places with the dancers on the right and left diagonals.
Jacob