Open source focus

Open Source Alternatives to Harmonica

7 open source Customer Service Automation options similar to Harmonica, 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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Rasa
Not rated
Open-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Vocode
Not rated
Open-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Kestra
Not rated
An open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.
Open source · Self-hostable
PromptQL
Not rated
An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
cal.com
Not rated
Open-source scheduling infrastructure for individuals, businesses, and developers.
Open source · Self-hostable
DSH Plugins
Not rated
An independent directory for discovering DeepSeek Harness plugins.
Open source
Parlant
Not rated
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

Company	License	Founded	Rating	Reviews
RasaOpen-source conversational AI platform for building custom chatbots and virtual assistants.	Open source · Self-hostable	-	Not rated	-
VocodeOpen-source library for building hyper-realistic voice agents and conversational AI applications.	Open source · Self-hostable	-	Not rated	-
KestraAn open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.	Open source · Self-hostable	-	Not rated	-
PromptQLAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.	Open source · Self-hostable	-	Not rated	-
cal.comOpen-source scheduling infrastructure for individuals, businesses, and developers.	Open source · Self-hostable	-	Not rated	-
DSH PluginsAn independent directory for discovering DeepSeek Harness plugins.	Open source	-	Not rated	-
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.	Open source · Self-hostable	-	Not rated	-