Best Self-hosted Automation & Workflow Builders (Low-code) tools in 2026

Open-source, self-hosted feature flag management platform with progressive rollouts, targeting rules, A/B testing, audit logs, and APIs for automated releases.

Alternative to:

LaunchDarkly+4

Automates cleanup of stuck, stalled, or malicious downloads in Sonarr/Radarr and supported torrent clients, with blocking rules and optional re-search.

Self-hosted tool to sync, version, and deploy Radarr/Sonarr quality profiles and custom formats from remote sources while preserving local changes.

OpenRemote is a 100% open-source IoT platform for device management, data dashboards, and automation with rules, APIs, and multi-tenant user management.

Alternative to:

ThingsBoard Cloud+13

Maintainerr is a self-hosted maintenance tool for Plex libraries that uses rules and integrations (Plex, *arr, Seerr, Tautulli) to find and remove unwanted media.

Sync AdGuard Home settings, filters, rewrites, DHCP/DNS config, and clients from an origin instance to one or more replicas on a schedule or on demand.

Open-source low-code platform to build internal tools and customer-facing web apps with a visual UI builder, reusable modules, data-source connectors, and RBAC.

Alternative to:

Retool+13

Hypersomnia is a community-driven multiplayer top-down shooter built in modern C++ without a game engine, featuring deterministic netcode and an in-game map editor.

Open source IoT integration and automation platform with an adapter ecosystem, centralized state database, and tools for visualization and data logging.

Alternative to:

Samsung SmartThings+18

Self-hosted automation tool for qBittorrent to tag and categorize torrents, enforce share limits, clean up orphaned data, and remove unregistered torrents.

Alternative to:

FileFlows Cloud

µTask is a lightweight automation engine for cloud workflows modeled in YAML, backed by PostgreSQL, with extensible Go-based actions.

Alternative to:

Microsoft Power Automate+11

Daemon that monitors download folders and Radarr/Sonarr/Lidarr/Readarr to automatically extract archives, move files for import, and remove extracted artifacts.

Alternative to:

WinRAR+3

Kottster is an open-source, self-hosted Node.js admin panel that generates table views, dashboards, and custom pages on top of your existing database.

Alternative to:

Retool+5

Developer-first platform for durable workflow automation and orchestration, with code-based workflows, triggers, integrations, and API-first execution.

Alternative to:

Zapier+15

Self-hosted web app to monitor Docker images and automate container updates across one or multiple hosts, with scheduling, per-container policies, and notifications.

Alternative to:

Portainer Business Edition (Portainer Cloud)+8

Automates purchase order ingestion, validation, and ERP posting for distributors, manufacturers and wholesalers using AI-driven item matching and configurable workflows.

Alternative to:

Microsoft Power Automate+8

Open-source platform for guided web interviews that collect user input, run logic, and generate documents (PDF, DOCX, RTF) or integrate with external services via APIs.

Alternative to:

Formstack+19

SuggestArr automatically requests recommended movies, TV shows, and anime in Jellyseerr/Overseerr based on what you recently watched in Jellyfin, Plex, or Emby.

Open-source onboarding platform to provision accounts, run preboarding, to-dos, resources, courses, and badges via Slack or a dashboard.

Alternative to:

Sapling (Kallidus)+2

Self-hosted web app to auto-download YouTube channels, organize media with metadata, and schedule downloads for Plex, Jellyfin, Emby, and Kodi.

Alternative to:

PlayOn Cloud+2

Notifiarr is a unified client that delivers configurable notifications, health checks, and automation for homelab apps like Plex and the *Arr stack via Discord.

Alternative to:

Healthchecks.io+8

Open source Typeform-style multi-step forms and surveys built with a JavaScript library, featuring conditional logic, theming, localization, and flexible submission endpo...

Alternative to:

Fillout+2

Self-hostable Wake-on-LAN utility to send magic packets via CLI or a simple web UI, with named device profiles and optional status checks.

GoMFT is a web-based managed file transfer (MFT) app that uses rclone to schedule, run, and monitor transfers across cloud and on-prem storage providers.

Alternative to:

MOVEit Transfer+9

FTPGrab is a Go-based CLI and Dockerized scheduler that periodically downloads files from remote FTP/SFTP servers to your NAS, server, or computer with filtering and noti...

Alternative to:

GoodSync+1

Decypharr provides a qBittorrent-compatible API and web UI for managing torrents via multiple debrid providers, designed to work with Sonarr/Radarr and other *Arr apps.

Alternative to:

Real-Debrid+5

REI3 is an open-source low-code platform to build multi-user business applications with forms, workflows, access controls, integrations, and self-hosted deployment option...

Alternative to:

Microsoft Power Apps+19

Configarr syncs TRaSH Guides and custom YAML configurations to Sonarr/Radarr (and experimental Arr apps) to automate custom formats, profiles, and settings.

Monitors Plex watchlists in real time and automates requests to Sonarr and Radarr with routing rules, approvals, quotas, and notifications.

Industrial low-code platform that extends Node-RED with an LLM-powered copilot, collaborative flow development, remote edge deployment, CI/CD and AI-assisted data transfo...

Alternative to:

Microsoft Power Automate+9