Self-hosted Data Integration & ETL/ELT tools

Huginn is an open-source automation platform that runs agents to monitor web data, process events, and trigger actions — self-hosted and extensible.

MITActively maintained

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IFTTT+17

Open-source, API-first commerce backend with modular architecture for custom storefronts and marketplaces.

MITActively maintained

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Medusa Cloud+15

Hasura is an open-source GraphQL engine that instantly exposes realtime, secure GraphQL APIs over databases and other data sources with fine-grained access control.

Apache-2.0Actively maintained

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Hasura+16

Declarative, API-first orchestration platform for scheduled and event-driven workflows with a plugin ecosystem, UI editor, CI/CD and Terraform integration.

Apache-2.0Actively maintained

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Dagster Cloud+16

Open-source, browser-based low-code platform and Node.js runtime for wiring devices, APIs and services into event-driven flows for automation, IoT and integrations.

Apache-2.0Actively maintained

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IFTTT+13

Open-source observability pipeline to collect, transform, and route logs and metrics with a single, high-performance binary and programmable transforms.

MPL-2.0Actively maintained

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Elastic Logstash+13

A Python-based notification library and CLI that routes messages to 120+ services via URL-based configurations, enabling self-hosted cross-platform alerts.

BSD-2-ClauseActively maintained

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Twilio+4

Open-source cloud-native search engine for observability data on object storage with an Elasticsearch/OpenSearch-compatible API.

Apache-2.0Actively maintained

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Splunk+5

Open-source product analytics platform with SDKs for mobile, web and desktop; provides dashboards, events, crash reporting, messaging, A/B testing and APIs.

Actively maintained

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Mixpanel+19

Web-based interactive and collaborative notebooks for Elixir with data visualizations, integrations, reproducible workflows, and automation.

Apache-2.0Actively maintained

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Deepnote+9

Nominatim provides geocoding (name/address → coordinates) and reverse geocoding (coordinates → address) powered by OpenStreetMap, with import tooling and a public API.

GPL-3.0Actively maintained

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Mapbox+1

OpenTripPlanner (OTP) is an open source multimodal routing engine that builds networks from GTFS and OpenStreetMap to produce itineraries and real-time transit trip plans via APIs.

Actively maintained

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ArcGIS Online+2

Self-hosted email archiving platform for ingesting, storing, indexing and searching emails from Gmail, Microsoft 365, IMAP, PST and more.

AGPL-3.0Actively maintained

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MailStore Server+4

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

AGPL-3.0Slowing down

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Microsoft Power Automate+8

CrossWatch synchronizes watchlists, history, ratings and live scrobbles between Plex, Jellyfin, Emby and trackers like Trakt, SIMKL, AniList and MDBlist.

Actively maintained

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Simkl+3

Self-hosted PHP web application for logging amateur radio contacts with mapping, analytics, awards tracking and integration with common QSO services.

MITActively maintained

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Club Log+1

Self-hosted personal health record (PHR) that aggregates and syncs medical records from multiple patient portals into a local, privacy-first web app.

MITActively maintained

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Apple Health+1

Apache Flink is a distributed engine for stateful stream processing and batch analytics with event-time semantics, fault tolerance, and scalable deployment on clusters.

Activity unknown

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Amazon EventBridge+11