Open source focus

Open Source Alternatives to Postcodesoftware

9 open source AI Search Engine options similar to Postcodesoftware, 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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Feast AI54
MLOpsSan Francisco, United States
An open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
YugabyteDB67
DatabaseSunnyvale, United States$266.0M
Distributed SQL database for cloud-native applications, offering high availability and horizontal scalability.
Open source · Self-hostable
Defcon47
HardwareMcLean, United States$44.0M
The Defcon badges feature a unique open-source chip that doubles as a security key.
Open source
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
Responsive35
EnterpriseSan Francisco, United States
Platform for developers building stateful reactive applications on the modern cloud with object store native databases.
Open source · Self-hostable
Apache CouchDB21
Database
An open-source, document-oriented NoSQL database implemented in Erlang, designed for reliability and seamless multi-primary synchronization.
Open source · Self-hostable
Novapanda20
Fintech
VDC verifiable delivery certificates with open protocols, open source specifications, and mock trial nodes online.
Open source
Dremio69
Data LakeSanta Clara, United States$395.0M
Self-service analytics on data lakes with data warehouse functionality and data lake flexibility.
Open source · Self-hostable
PostgreSQL66
DatabaseSanta Barbara, USA
A powerful, open-source object-relational database system known for reliability and extensibility.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
Feast AIAn open-source feature store for managing and serving data for AI/ML models in production.	MLOps	Open source · Self-hostable	San Francisco, United States	—	54
YugabyteDBDistributed SQL database for cloud-native applications, offering high availability and horizontal scalability.	Database	Open source · Self-hostable	Sunnyvale, United States	$266.0M	67
DefconThe Defcon badges feature a unique open-source chip that doubles as a security key.	Hardware	Open source	McLean, United States	$44.0M	47
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
ResponsivePlatform for developers building stateful reactive applications on the modern cloud with object store native databases.	Enterprise	Open source · Self-hostable	San Francisco, United States	—	35
Apache CouchDBAn open-source, document-oriented NoSQL database implemented in Erlang, designed for reliability and seamless multi-primary synchronization.	Database	Open source · Self-hostable	—	—	21
NovapandaVDC verifiable delivery certificates with open protocols, open source specifications, and mock trial nodes online.	Fintech	Open source	—	—	20
DremioSelf-service analytics on data lakes with data warehouse functionality and data lake flexibility.	Data Lake	Open source · Self-hostable	Santa Clara, United States	$395.0M	69
PostgreSQLA powerful, open-source object-relational database system known for reliability and extensibility.	Database	Open source · Self-hostable	Santa Barbara, USA	—	66