Langflow replaces 2 paid apps
One open-source tool, 2 subscriptions it can stand in for. Each pairing below is curated and verified by hand, with the honest catch spelled out. No votes, no pay-to-list.
licenseMIT
runsyour machine or their cloud
installInstall the Windows/macOS desktop app or a uv/Python package; Docker is available for server deployment.
enginesComponents connect to major LLM providers, local models, vector databases and tool backends.
dataSQLite stores flows, messages and credentials by default; PostgreSQL is optional, and flows export as JSON.
setupDesktop installs cleanly, but useful AI flows still require a provider API key or local-model setup; server deployment needs Python/uv or Docker.
facts verified 2026-08-10
Drag boxes around an LLM graph until files and APIs become one useful workflow.
the catchLangflow is more developer-oriented and has a much thinner catalog of general SaaS and browser-automation steps than Gumloop.
the verdict →all Gumloop alternatives →
A desktop-or-server visual agent builder with tools, knowledge, and multi-agent flows.
the catchLangflow is a developer-facing graph builder, not a managed multi-agent operations and governance platform like Relevance AI.
the verdict →all Relevance AI alternatives →last updated 2026-08-10 · no votes, no pay-to-list