Open Source Alternatives to Stack
6 open source Startups options similar to Stack, 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.
- Idoris8Agentic AI
An open-source, AI-powered brain for organizations, offering a workbench for builders, tailored solutions, and an agent legion.
Open source
Databricks82Data AnalyticsSan Francisco, United States$36.7BA unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
PromptQL45Artificial IntelligenceSan Francisco, United StatesAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
Faremeter22FintechOpen-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.
Open source · Self-hostable
x402scan10FintechAn ecosystem explorer and analytics platform for the x402 protocol and agentic commerce.
Open source · Self-hostable
Kestra49Data OrchestrationParis, France$36.0MAn open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.
Open source · Self-hostable

