Open source focus

Open Source Alternatives to Arclight Aerospace

18 open source Aerospace options similar to Arclight Aerospace, 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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ChainSafe Systems57
Web3Toronto, Canada$18.8M
Leading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.
Open source · Self-hostable
Odigos56
Enterprise$13.0M
Open-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.
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
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
CloudQuery53
EnterpriseSan Francisco, United States$18.5M
Open-source data integration platform for security and infrastructure teams.
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
Kong50
API ManagementSan Francisco, United States$511.0M
API gateway and management platform for microservices and cloud-native applications.
Open source · Self-hostable
Heroic Labs47
GamingLisbon, Portugal
Social infrastructure for games, makers of Nakama game server.
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
PromptQL45
Artificial IntelligenceSan Francisco, United States
An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
keyval29
EnterpriseTel Aviv, Israel
Odigos provides an open-source software solution for developers to enable distributed tracing for their applications using OpenTelemetry and eBPF, accelerating production issue resolution.
Open source · Self-hostable
Realnas19
Open Source
Open-source Network Attached Storage (NAS) operating system based on FreeBSD, managing ZFS, SMB, NFS, users, snapshots, and boot environments.
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
EU
Euro-Office10
SoftwareEurope
A sovereign, open-source office suite for European enterprises and public administrations.
Open source · Self-hostable
Nexspence10
Open Source
A free, open-source, self-hosted universal artifact repository manager.
Open source · Self-hostable
EU
Eurostack10
SoftwareEurope
A European enterprise contributing to the development of sovereign digital infrastructure.
Open source · Self-hostable
Gako7
Cybersecurity
Open-source, self-hostable secret manager where the server cannot read your secrets.
Open source · Self-hostable
XWiki2
SoftwareParis, France
Open-source enterprise wiki and collaboration software.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
ChainSafe SystemsLeading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.	Web3	Open source · Self-hostable	Toronto, Canada	$18.8M	57
OdigosOpen-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.	Enterprise	Open source · Self-hostable	—	$13.0M	56
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
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
CloudQueryOpen-source data integration platform for security and infrastructure teams.	Enterprise	Open source · Self-hostable	San Francisco, United States	$18.5M	53
NextcloudOpen-source, self-hosted file sync and share and collaboration platform.	Cloud Computing	Open source · Self-hostable	Nuremberg, Germany	$63.0M	52
KongAPI gateway and management platform for microservices and cloud-native applications.	API Management	Open source · Self-hostable	San Francisco, United States	$511.0M	50
Heroic LabsSocial infrastructure for games, makers of Nakama game server.	Gaming	Open source · Self-hostable	Lisbon, Portugal	—	47
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
PromptQLAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.	Artificial Intelligence	Open source · Self-hostable	San Francisco, United States	—	45
keyvalOdigos provides an open-source software solution for developers to enable distributed tracing for their applications using OpenTelemetry and eBPF, accelerating production issue resolution.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	—	29
RealnasOpen-source Network Attached Storage (NAS) operating system based on FreeBSD, managing ZFS, SMB, NFS, users, snapshots, and boot environments.	Open Source	Open source · Self-hostable	—	—	19
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
EUEuro-OfficeA sovereign, open-source office suite for European enterprises and public administrations.	Software	Open source · Self-hostable	Europe	—	10
NexspenceA free, open-source, self-hosted universal artifact repository manager.	Open Source	Open source · Self-hostable	—	—	10
EUEurostackA European enterprise contributing to the development of sovereign digital infrastructure.	Software	Open source · Self-hostable	Europe	—	10
GakoOpen-source, self-hostable secret manager where the server cannot read your secrets.	Cybersecurity	Open source · Self-hostable	—	—	7
XWikiOpen-source enterprise wiki and collaboration software.	Software	Open source · Self-hostable	Paris, France	—	2