Best Open Source Alternatives to Rasa

Compare the best free and open-source alternatives to Rasa — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 3 alternatives

Rasa

Proprietary SaaS

Rasa alternatives compared

Open-source alternatives to Rasa, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Parlant	18,319	Apache-2.0	Web	No	Nov 2026	Visit
Botpress	14,975	MIT	DockerLinux	Yes	Nov 2026	Visit
Hexabot	1,152	AGPL-3.0	Web	No	Nov 2026	Visit

Top open-source Rasa alternatives

Parlant18,319Apache-2.0

Parlant replaces enterprise support platforms like Decagon with an open-source Python harness using dynamic context matching and strict guardrails.

Web

vs Rasa: a free, open-source option you fully control, licensed Apache-2.0.

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Edgar Sipki

Go & gRPC engineer · founder of EasyP

Promoted

Mentoring for backend developers. Consulting for startups.

Go, gRPC and Protobuf done right, LLM agents in production, and the hard parts of shipping a first product.

GogRPCProtobufLLM agents

sipki.online

Speaker at HighLoad++, GolangConf, AI Conf, DevOpsConf
Helped launch 7+ startups
Maintainer of EasyP, the open-source Protobuf toolkit

Botpress14,975MIT

Botpress replaces proprietary chatbot builders like Manychat with an agent platform pairing visual canvas flows with a TypeScript integration SDK.

DockerLinux

vs Rasa: a free, open-source option you fully control, licensed MIT.

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Hexabot1,152AGPL-3.0

Hexabot is an open-source alternative to Voiceflow and Manychat that lets teams build visual AI chatbots and automated workflows on self-hosted servers.

Web

vs Rasa: a free, open-source option you fully control, licensed AGPL-3.0.

Visit Details