Flying Founders, is an investment fund co-founded by entrepreneurs Michal Truban and Zdenko Zvada to offer an alternative to bootstrapping and venture capital. They invest €100k–€600k in SaaS businesses with ARR between €100k and €2M in the form of growth capital as well as buyouts. Flying Founders focus on building sustainable, profitable companies with no pressure to raise further capital or exit. Some of the companies they co-founded or invested in include Tolgee, Websupport, Billdu, ROI Hunter, Outfindo.