Open Source Alternatives to Babel Street
27 open source Defense Tech options similar to Babel Street, 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.
Databricks82Data AnalyticsSan Francisco, United States$36.7BA unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
Hugging Face76AINew York, United States$395.2MHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
Open source · Self-hostable
Defcon47HardwareMcLean, United States$44.0MThe Defcon badges feature a unique open-source chip that doubles as a security key.
Open source
Elasticsearch85Search EngineAmsterdam, Netherlands$104.0MOpen-source search and analytics engine for data exploration and real-time insights.
Open source · Self-hostable
Qdrant71Vector DatabaseBerlin, Germany$96.5MHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
ClearML63AutoMLTel Aviv, Israel$11.0MOpen-source, end-to-end MLOps platform for enterprise AI development and deployment.
Open source · Self-hostable
Julia61Programming LanguagesWaltham, USA$15.0MA high-performance, dynamic programming language for technical computing.
Open source
Metabase60Data AnalyticsSan Francisco, United States$8.0MOpen-source business intelligence and embedded analytics platform.
Open source · Self-hostable
Backstage57Developer ToolsStockholm, Sweden$63.0MAn open-source developer portal for building and managing software.
Open source · Self-hostable
Akash Network56DePINSan Francisco, United States$2.0MDecentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).
Open source · Self-hostable
Probabl54MLOpsParis, France$18.5MTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
Velum Labs49Machine LearningSan Francisco, United States$500KFirewall that controls access to information across AI and humans
Open source · Self-hostable
Heroic Labs47GamingLisbon, PortugalSocial infrastructure for games, makers of Nakama game server.
Open source · Self-hostable
Slauth.io43EnterpriseAshburn, United States$1.5MArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Data Commons AI35Data PlatformMountain View, United States$15.0MGoogle'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
Faiss by Meta28AI Foundation & ComputeOpen-source library by Meta AI for efficient similarity search and clustering of dense vectors.
Open source · Self-hostable
PyTorch25AISan Francisco, United StatesAn open-source machine learning framework for accelerating AI research and production deployment.
Open source · Self-hostable
- AGAgent4Rec20Agentic AI
Simulates 1,000 LLM-powered agents for diverse movie recommendation preferences.
Open source
- GGggml15Foundation Model
A C/C++ tensor library for efficient machine learning inference on consumer hardware.
Open source · Self-hostable
Codename Goose14Developer ToolsAn open-source framework for on-machine AI agents developed by Block's Open Source Program Office.
Open source · Self-hostable
RepoRank 13Open SourceReal-time discovery platform for open source and emerging products, surfacing what's gaining traction.
Open source · Self-hostable
TensorFlow10AIMountain View, United StatesAn open-source machine learning platform for building and deploying AI applications.
Open source · Self-hostable
Ahmed Awad Researcher9CybersecurityCybersecurity research, open-source projects, and publications, including AnubisX Framework, HunterX, and RabbitHole.
Open source
Openthreatgrid8CybersecurityOpen honeynet telemetry, responsible threat intelligence sharing, and reproducible security research workflows for defenders and researchers.
Open source
Glovity8AI InfrastructureGlovity is an open-source, low-cost teleoperation system for dexterous manipulation, integrating spatial wrench feedback with a haptic glove.
Open source
- HUHumanSignal7Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
- Devicechain7IoT
A complete, cloud-native IoT platform to connect, manage, and command device fleets at scale.
Open source

