Zapier turned integration into something a non-engineer can do before lunch - connect two apps, set a trigger, and a task that used to need a script just runs. For wiring SaaS tools together quickly it is hard to beat. The walls show up with success. Zapier meters by task, so a workflow that fires often - the useful kind - eats your monthly allotment, and richer logic and more steps sit behind higher tiers. Meanwhile the integrations your operation now depends on live entirely inside Zapier's account.
The self-hosted automation platform below covers the same job - triggers, multi-step workflows, and connectors between the apps you use - on a server you run. Workflows fire as often as the work demands without a task counter draining toward a ceiling, the logic gets as involved as you need without unlocking a plan, and the integrations are yours: hosted, exportable, and free to move.
Huginn is a system for building agents that perform automated tasks online. Agents can read the web, watch for events, and take actions on your behalf, so you can track information and react without doing the work manually. It is described as a hackable version of IFTTT or Zapier on your own server.
Budibase is an open-source operations platform for building agents, apps, and automations that run internal business processes. It is aimed at handling requests, approvals, issues, and workflow work without stitching together multiple tools.
Node-RED is a low-code programming tool for event-driven applications. It uses a browser-based flow editor to wire together devices, APIs, and online services, making it useful for building automation and data-handling flows without writing everything from scratch.
Activepieces is an open source automation platform for building AI workflows and no-code flows. It is designed as a Zapier replacement for teams that want extensible automation, a type-safe pieces framework, and self-hosted control over the system.
Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows, and UIs. It turns scripts into shareable internal apps, webhooks, scheduled jobs, and flows, giving teams a code-first way to run automation and internal software from one platform.
Trigger.dev is an open source platform for building AI workflows in TypeScript. It is built for long-running tasks that need retries, queues, observability, and elastic scaling without the limits of short-lived serverless jobs.
Automatisch is a business automation tool for connecting services and automating workflows without programming knowledge. It is built for people replacing cloud workflow tools with something they can run on their own servers and keep under their control.
StackStorm is an integration and automation platform for services and tools. It takes actions in response to events so DevOps and SRE teams can automate troubleshooting, auto-remediation, incident response, and deployment steps across existing systems.
TagUI is an open-source RPA tool for automating repetitive tasks on websites, desktop apps, and the command line. It runs on Windows, macOS, and Linux, and uses a simple language with steps like click and type so flows can be written directly instead of through a proprietary automation studio.
Inngest provides durable functions for reliable background jobs, workflows, and AI agents without extra infrastructure. It replaces queues, state management, and scheduling so developers can build step functions and background logic that can run on serverless infrastructure, servers, or the edge.
taskt is a free, open-source process automation client built on the .NET Framework in C#. It is designed to automate web and desktop work by letting users build scripts instead of writing application code. The goal is to handle repetitive tasks such as data entry and report generation with a visual automation workflow.
