bot-message-square
key-square
message-square
message-square-code
message-square-dashed
message-square-diff
message-square-dot
message-square-heart
message-square-lock
message-square-more
message-square-off
message-square-plus
message-square-quote
message-square-reply
message-square-share
message-square-text
message-square-warning
message-square-x
messages-square
rotate-ccw-square
rotate-cw-square
square
square-activity
square-arrow-down
square-arrow-down-left
square-arrow-down-right
square-arrow-left
square-arrow-out-down-left
square-arrow-out-down-right
square-arrow-out-up-left
square-arrow-out-up-right
square-arrow-right
square-arrow-up
square-arrow-up-left
square-arrow-up-right
square-asterisk
square-bottom-dashed-scissors
square-chart-gantt
square-check
square-check-big
square-chevron-down
square-chevron-left
square-chevron-right
square-chevron-up
square-code
square-dashed
square-dashed-bottom
square-dashed-bottom-code
square-dashed-kanban
square-dashed-mouse-pointer
square-dashed-top-solid
square-divide
square-dot
square-equal
square-function
square-kanban
square-library
square-m
square-menu
square-minus
All under MIT or ISC license - free for your personal and commercial projects.