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ActivepiecesWorkflow AutomationActivepieces is an MIT-licensed automation platform for building trigger-based flows and AI agents across business apps. Self-host it with Docker or Kubernetes or use the cloud; integrations are TypeScript packages that also power its MCP server.Open sourceSelf-hostedFreemium
AlarikStorage & NASAlarik is a beta, self-hosted object storage server that speaks the S3 API. It adds a Nuxt web console, bucket replication, webhooks, OIDC sign-in and an opt-in erasure-coded cluster, under the Apache 2.0 license.Open sourceSelf-hosted
AutomatischWorkflow AutomationAGPL-3.0 workflow automation for Node.js and PostgreSQL: connect apps with trigger and action flows, webhooks, schedules and AI steps. The hosted cloud closed on January 1, 2026, so self-hosting through Docker Compose is the way to run it.Open sourceSelf-hosted
BlinkoNotes & Knowledge ManagementBlinko is a GPL-3.0 note-taking server for quick card notes and longer Markdown notes, with RAG search, AI chat, MCP and an OpenAPI interface. It runs from one Docker image on PostgreSQL; a hosted Blinko Cloud edition is also offered.Open sourceSelf-hostedFreemium
CachetUptime Monitoring & Status PagesSelf-hosted status page software for PHP and Laravel. Publish component status, incidents, scheduled maintenance and metrics, notify email subscribers, and automate updates through a JSON API, webhooks or an MCP server.Open sourceSelf-hosted
Cal.diyTeam Chat & MeetingsCal.diy is the MIT-licensed community edition of Cal.com with the enterprise code removed. You self-host the Next.js and PostgreSQL app to publish booking pages, sync calendars and connect video, payment and CRM apps. No hosted version exists.Open sourceSelf-hosted
ClassroomIOTutorials & CoursesClassroomIO is an AGPL-3.0 learning platform for customer education, partner enablement and compliance training. Use the hosted cloud with a free plan or self-host the Docker stack; SSO, token auth and no-tracking need an Enterprise license.Open sourceSelf-hostedFreemium
DocumensoPDF & Document ToolsAGPL-licensed document signing platform built with TypeScript, React Router and PostgreSQL. Use Documenso Cloud or self-host it with Docker, with templates, a REST API, webhooks, embedded signing and X.509 sealed PDFs.Open sourceSelf-hostedFreemium
DocuSealPDF & Document ToolsDocuSeal is an AGPL-3.0 platform for building fillable PDF forms and collecting e-signatures, with SMTP email, S3 storage, API, webhooks and mobile apps, available self-hosted with Docker or as DocuSeal Cloud with a Pro plan.Open sourceSelf-hostedFreemium
DonetickProject ManagementDonetick is an AGPL-licensed app for shared tasks and chores: natural language entry, recurring schedules, assignee rotation, points and approvals, with Docker self-hosting, OIDC, a REST API, webhooks and a Home Assistant integration.Open sourceSelf-hostedFreemium
DubMarketing & SEODub is an open-core link attribution platform built with Next.js. It creates short links on custom domains, tracks clicks, leads and sales, and offers a REST API, SDKs, webhooks and partner programs, hosted or self-hosted.Open sourceSelf-hostedFreemium
Easy!AppointmentsTeam Chat & MeetingsEasy!Appointments is a GPL-3.0 PHP and MySQL appointment scheduler with a customer booking page, provider calendars, working plans, Google Calendar and CalDAV sync, a REST API and webhooks.Open sourceSelf-hostedFreemium
Firefly IIIAccounting & InvoicingFirefly III is a free, AGPL-licensed personal finance manager you host yourself with Docker or on a PHP server. It records income and expenses in double-entry form, with budgets, rules, recurring transactions, reports and a REST API.Open sourceSelf-hosted
FluxerTeam Chat & MeetingsFluxer is an open-source instant messaging and voice chat app for friends, groups and communities. Use the hosted fluxer.com service or install your own instance with rexctl, Docker Compose or a Helm chart, then connect from web, desktop or Android.Open sourceSelf-hostedFreemium
GristLow-Code & Internal ToolsGrist is a relational spreadsheet from Grist Labs. grist-core (Apache-2.0) is the self-hosted Community edition with Python formulas, widgets, forms, access rules and a REST API; hosted plans and a paid full edition add more features.Open sourceSelf-hostedFreemium
HeyFormCRM & Customer PlatformsHeyForm is an AGPL-3.0 form builder for conversational forms, surveys and quizzes with conditional logic, themes, file uploads and integrations, available as a Docker self-hosted edition or paid HeyForm Cloud workspaces.Open sourceSelf-hostedFreemium
Krayin CRMCRM & Customer PlatformsMIT-licensed CRM from Webkul built on Laravel 12 and Vue.js. It covers leads in Kanban pipelines, contacts, quotes, products, activities, an IMAP or SendGrid inbox, web forms and workflows, self-hosted or on managed cloud hosting.Open sourceSelf-hostedFreemium
MergeAPIs & IntegrationsMerge offers one Unified API per category (HRIS, ATS, CRM, accounting, ticketing, file storage, knowledge base, chat), Agent Handler for MCP tool access by AI agents, Gateway for LLM routing and Merge for Workforce.CommercialWeb platformFreemium
n8nProWorkflow Automationn8n is a fair-code workflow automation platform from n8n GmbH in Berlin. It combines a node-based visual editor with JavaScript and Python code, AI agent nodes, 1500+ integrations, a REST API and an MCP server, self-hosted or on n8n Cloud.CommercialSelf-hostedFreemium
OpenBotAI Assistants & ChatSource-available Electron app that turns provider CLIs such as Codex, Claude Code, Grok and GitHub Copilot into named agents with their own workspaces, queues, routines, shared channels and an embedded browser. Free for noncommercial use.CommercialSelf-hostedFreemium
OpenComputerAgent FrameworksOpenComputer runs agents written as TypeScript functions in its managed cloud, with sandboxes, durable sessions, schedules, webhooks and a management API, plus @Computer, a Claude Code and Codex agent used from Slack.Open sourceWeb platformFreemium
OpenMausBotAI Assistants & ChatOpenMausBot is an Apache-2.0 chat app for macOS, Windows and Ubuntu where each bot is a local agent CLI with its own model, computer, connected apps and schedules, behind approval cards. Optional paid Cloud plans keep bots running.Open sourceSelf-hostedFreemium
OpenWAAPIs & IntegrationsOpen-source WhatsApp API gateway in TypeScript and NestJS, run with Docker or Node.js. It adds a REST API, HMAC webhooks, a dashboard, scoped API keys, plugins and SDKs around unofficial WhatsApp engines.Open sourceSelf-hosted
OpnFormCRM & Customer PlatformsOpnForm is an AGPL-3.0 form builder with unlimited forms and submissions, conditional logic, computed fields, integrations, webhooks, a REST API and MCP server, offered as OpnForm Cloud or self-hosted with Docker.Open sourceSelf-hostedFreemium
PLANKAProject ManagementPLANKA is a self-hosted Kanban board from PLANKA Software GmbH with real-time collaboration, Markdown cards, webhooks, a REST API and two-factor sign-in. Community is free under a fair-code license; Pro adds mobile, timeline views and SSO.CommercialSelf-hostedFreemium