Open source focus

Open Source Alternatives to Synthetic Sciences

14 open source Developer Tools options similar to Synthetic Sciences, 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.

View all alternatives to Synthetic Sciences →

CRAB27
Agentic AI
An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
DocsGPT8
Open Source
Open-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.
Open source · Self-hostable
Causari10
Agentic AI
Causari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.
Open source · Self-hostable
Sharedos8
Agentic AI
Open-source infrastructure for permissioned agent-to-agent communication: a deny-by-default kernel for file access and tool calls, with pluggable agent runtimes.
Open source
BenchFlow42
Frontier AI LabSan Francisco, United States$1.0M
BenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.
Open source
K-Scale Labs40
Frontier AI LabSan Francisco, United States
Building general-purpose AI for a future of material abundance.
Open source · Self-hostable
Agentjail10
Agentic AI
Policy guardrails for coding agents to block dangerous tool calls before they are fired.
Open source
Graphometer3
AI Observability
Seeing AI from the right angle. Free, open tools, resources, reports, and data that show what AI systems actually do.
Open source
Probabl54
MLOpsParis, France$18.5M
Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
Recognai, S.L.U.31
Data CurationBarcelona, Spain
Company
Open source
Parlant26
AI AgentsTel Aviv, Israel
Parlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.
Open source · Self-hostable
CIQ59
Artificial IntelligenceReno, United States$26.0M
Sponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.
Open source
Agentguardx26
AI Testing
An open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.
Open source
Faremeter22
Fintech
Open-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
CRABAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.	Agentic AI	Open source · Self-hostable	—	—	27
DocsGPTOpen-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.	Open Source	Open source · Self-hostable	—	—	8
CausariCausari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.	Agentic AI	Open source · Self-hostable	—	—	10
SharedosOpen-source infrastructure for permissioned agent-to-agent communication: a deny-by-default kernel for file access and tool calls, with pluggable agent runtimes.	Agentic AI	Open source	—	—	8
BenchFlowBenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.	Frontier AI Lab	Open source	San Francisco, United States	$1.0M	42
K-Scale LabsBuilding general-purpose AI for a future of material abundance.	Frontier AI Lab	Open source · Self-hostable	San Francisco, United States	—	40
AgentjailPolicy guardrails for coding agents to block dangerous tool calls before they are fired.	Agentic AI	Open source	—	—	10
GraphometerSeeing AI from the right angle. Free, open tools, resources, reports, and data that show what AI systems actually do.	AI Observability	Open source	—	—	3
ProbablTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.	MLOps	Open source	Paris, France	$18.5M	54
Recognai, S.L.U.Company	Data Curation	Open source	Barcelona, Spain	—	31
ParlantParlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.	AI Agents	Open source · Self-hostable	Tel Aviv, Israel	—	26
CIQSponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.	Artificial Intelligence	Open source	Reno, United States	$26.0M	59
AgentguardxAn open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.	AI Testing	Open source	—	—	26
FaremeterOpen-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.	Fintech	Open source · Self-hostable	—	—	22