If you are a member of the KDE community who has contributed to promoting, developing or documenting KDE or doing any other KDE related work, you can join the KDE e.V. as an active member. See the instructions how to become a member for more details.
If you are a corporation and want to support KDE you can become a supporting member.
If you want to support KDE by donating, consider becoming a Supporting Member through our Join the Game program.