Best Open Source Alternatives to Sendbird

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

Curated by open-source.store · Updated November 2026 · 2 alternatives

Sendbird

Proprietary SaaS

Sendbird alternatives compared

Open-source alternatives to Sendbird, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Parlant	18,319	Apache-2.0	Web	No	Nov 2026	Visit
Ethora	552	Apache-2.0		No	Nov 2026	Visit

Top open-source Sendbird 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 Sendbird: a free, open-source option you fully control, licensed Apache-2.0.

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EasyP

Promoted

The modern standard for Protobuf workflows

Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.

lintgeneratebreakingeasyp.lock

go · ts · java generated

$ easyp breaking

backward compatible

Ethora552Apache-2.0

Ethora is an open-source chat SDK platform replacing Sendbird and Stream with Apache-2.0 client libraries and XMPP messaging without per-MAU fees.

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

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