Best Open Source Alternatives to Fyxer

Compare the best free and open-source alternatives to Fyxer — 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

Fyxer

Proprietary SaaS

Fyxer alternatives compared

Open-source alternatives to Fyxer, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Inbox Zero	12,900	AGPL-3.0	Web	No	Nov 2026	Visit
Zero	10,878	MIT	DockerLinux	Yes	Oct 2026	Visit

Top open-source Fyxer alternatives

Inbox Zero12,900AGPL-3.0

Open-source AI email assistant to replace Fyxer and Lindy with self-hosted inbox triage, plain-English automation rules, and local privacy.

Web

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

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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

Zero 10,878MIT

Zero is an open-source, self-hosted alternative to Gmail that combines PostgreSQL storage with automated AI triage and conversational inbox search.

DockerLinux

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

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