You may wish to check https://pyrus.com https://pyrus.com - they are focused on no-code end-to-end processes with very flexible (and non-bloated) workflow setup

You may wish to check https://pyrus.com https://pyrus.com - they are focused on no-code end-to-end processes with very flexible (and non-bloated) workflow setup, open API, and neat mobile apps (which is a must have feature for getting timely approvals from C-level guys). (Full disc: I'm insider)