Open source focus

Open Source Alternatives to Sigma

14 open source Artificial Intelligence options similar to Sigma, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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Elasticsearch85
Search EngineAmsterdam, Netherlands$104.0M
Open-source search and analytics engine for data exploration and real-time insights.
Open source · Self-hostable
Databricks82
Data AnalyticsSan Francisco, United States$36.7B
A unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
Metabase60
Data AnalyticsSan Francisco, United States$8.0M
Open-source business intelligence and embedded analytics platform.
Open source · Self-hostable
Mozilla Firefox54
InternetSan Francisco, United States$2.3M
Open-source web browser focused on privacy, user control, and an open internet.
Open source · Self-hostable
United Manufacturing Hub Systems54
ManufacturingCologne, Germany$5.4M
An open-source data platform for manufacturers to access and structure machine data.
Open source · Self-hostable
Nextcloud52
Cloud ComputingNuremberg, Germany$63.0M
Open-source, self-hosted file sync and share and collaboration platform.
Open source · Self-hostable
Arduino46
Open SourceSomerville, United States$54.0M
Open-source hardware and software company providing microcontrollers and kits for digital devices.
Open source · Self-hostable
Slauth.io43
EnterpriseAshburn, United States$1.5M
Ark Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Data Commons AI35
Data PlatformMountain View, United States$15.0M
Google's open-source platform that organizes and makes public data accessible and useful for societal challenges through a unified knowledge graph.
Open source · Self-hostable
Apache HTTP Server18
Open SourceWakefield, United States
A free, open-source, cross-platform web server software managed by the Apache Software Foundation.
Open source · Self-hostable
RepoRank 13
Open Source
Real-time discovery platform for open source and emerging products, surfacing what's gaining traction.
Open source · Self-hostable
EU
Euro-Office10
SoftwareEurope
A sovereign, open-source office suite for European enterprises and public administrations.
Open source · Self-hostable
EU
Eurostack10
SoftwareEurope
A European enterprise contributing to the development of sovereign digital infrastructure.
Open source · Self-hostable
XWiki2
SoftwareParis, France
Open-source enterprise wiki and collaboration software.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
ElasticsearchOpen-source search and analytics engine for data exploration and real-time insights.	Search Engine	Open source · Self-hostable	Amsterdam, Netherlands	$104.0M	85
DatabricksA unified data analytics and AI platform built on the lakehouse architecture.	Data Analytics	Open source · Self-hostable	San Francisco, United States	$36.7B	82
MetabaseOpen-source business intelligence and embedded analytics platform.	Data Analytics	Open source · Self-hostable	San Francisco, United States	$8.0M	60
Mozilla FirefoxOpen-source web browser focused on privacy, user control, and an open internet.	Internet	Open source · Self-hostable	San Francisco, United States	$2.3M	54
United Manufacturing Hub SystemsAn open-source data platform for manufacturers to access and structure machine data.	Manufacturing	Open source · Self-hostable	Cologne, Germany	$5.4M	54
NextcloudOpen-source, self-hosted file sync and share and collaboration platform.	Cloud Computing	Open source · Self-hostable	Nuremberg, Germany	$63.0M	52
ArduinoOpen-source hardware and software company providing microcontrollers and kits for digital devices.	Open Source	Open source · Self-hostable	Somerville, United States	$54.0M	46
Slauth.ioArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.	Enterprise	Open source · Self-hostable	Ashburn, United States	$1.5M	43
Data Commons AIGoogle's open-source platform that organizes and makes public data accessible and useful for societal challenges through a unified knowledge graph.	Data Platform	Open source · Self-hostable	Mountain View, United States	$15.0M	35
Apache HTTP ServerA free, open-source, cross-platform web server software managed by the Apache Software Foundation.	Open Source	Open source · Self-hostable	Wakefield, United States	—	18
RepoRank Real-time discovery platform for open source and emerging products, surfacing what's gaining traction.	Open Source	Open source · Self-hostable	—	—	13
EUEuro-OfficeA sovereign, open-source office suite for European enterprises and public administrations.	Software	Open source · Self-hostable	Europe	—	10
EUEurostackA European enterprise contributing to the development of sovereign digital infrastructure.	Software	Open source · Self-hostable	Europe	—	10
XWikiOpen-source enterprise wiki and collaboration software.	Software	Open source · Self-hostable	Paris, France	—	2