flowctl

flowctl is an Apache-2.0-licensed, self-service platform for workflow execution. It lets users initiate workflow runs themselves and provides approvals, remote execution, and scheduling within the same platform. A workflow can follow an approval process when needed, run remotely, or execute on a schedule. It is intended for users who need to manage scheduled runs, remote runs, and workflows that require approval through a single workflow execution platform. flowctl can serve as an open source replacement for Zapier. However, its stated capabilities focus on workflow execution, approvals, remote execution, and scheduling. The available information does not indicate that it includes every feature or integration offered by Zapier, so users should not assume complete feature parity. It should be evaluated based on its documented ability to let users initiate workflows, apply approval processes when required, run workflows remotely, and schedule them for later execution.