Open Source Alternatives to Flowerstone
9 open source Conversational AI options similar to Flowerstone, 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.
Vocode50Open SourceSan Francisco, United States$3.8MOpen-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Rasa49Conversational AIBerlin, Germany$13.0MOpen-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
DocsGPT8Open SourceOpen-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
CRAB27Agentic AIAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
Causari10Agentic AICausari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.
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
Coqui48Voice AIBerlin, Germany$2.0MOpen-source AI models for voice synthesis, translation, and TTS.
Open source · Self-hostable
Recognai, S.L.U.31Data CurationBarcelona, SpainCompany
Open source
BenchFlow42Frontier AI LabSan Francisco, United States$1.0MBenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.
Open source