Platform directory · The Bot Desk

ZapierThe largest connector catalog. Bills per successful action, called a task.
MakeVisual scenario builder. Bills per module run, now counted in credits.
n8nFair-code, self-hostable. Bills per whole workflow run, not per step.
PipedreamCode-first workflows with hosted steps. Bills in compute credits.
ActivepiecesOpen-source alternative with a hosted plan and a free self-hosted edition.
IFTTTConsumer-oriented, small applet limits, cheapest paid tier of the group.

Power AutomateCloud flows. A limited version is seeded with Microsoft 365; premium connectors cost extra.
Power Automate DesktopAttended and unattended desktop RPA, licensed separately from cloud flows.
Google Apps ScriptFree scripting inside Workspace. Triggers are approximate, not exact-time.
Salesforce FlowNative automation inside Salesforce, bundled with the platform.

Amazon TextractPer-page pricing published, including a dedicated invoice and receipt API.
Google Document AIPretrained and custom extractors, priced per page.
Azure AI Document IntelligencePrebuilt invoice model. Prices only render once you pick a region.

OpenAI Agents SDKAgent loop over the Responses API, billed on token and tool usage.
Claude Agent SDKAnthropic's agent framework, with a managed option billed per session-hour.
Vertex AI Agent EngineGoogle's managed runtime, billed per vCPU-hour and GiB-hour.
Google ADKApache-2.0 agent development kit that runs anywhere.

HubSpot WorkflowsGated to Professional and above. Deduplicates contacts by email address.
ZendeskIntelligent triage detects topic and sentiment; acting on it needs the Copilot add-on.
FreshdeskRule-based automations on every paid tier; AI features are an add-on.