head to head · open source
novu vs proton-lumo
novu has 40,249 GitHub stars, 4,522 forks, 105 open issues and last shipped yesterday. proton-lumo has 5,675 stars, 741 forks, 155 open issues and last shipped yesterday. novu leads on adoption by 609% (40,249 vs 5,675 stars). novu is written in TypeScript under a custom or non-standard licence; proton-lumo is written in TypeScript under GPL-3.0. novu has attracted 11% as many forks as stars, proton-lumo 13%. novu was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (react), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| novu | proton-lumo | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 5.7K |
| License | Custom / other | GPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.5K | ⑂ 741 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick novu if
- You weight community size — 40K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick proton-lumo if
- You want the proton-lumo feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and proton-lumo fits your workflow better
About novu
The open source communication infrastructure for agents and products One API and one unified conversation model to connect your products and your agents to every channel your users live on — Inbox, Email, SMS, Push, Chat, Slack, Microsoft Teams, Telegram, and more. Learn More » Report a bug · Docs · Website · Join our Discord · Changelog · Roadmap · X · Contact us Software is becoming more conversational, and user expectations are rising with it. People no longer want static, irrelevant notifications they glance at and forget, they want to engage, ask questions, and go deeper. Instead of a one way report dropped…
About proton-lumo
Web clients This project is a monorepo hosting the Proton web clients. It includes the web applications, their dependencies & shared modules as well as all tooling surrounding development of the web clients (as well as some additional miscellaneous things). Proton Mail Proton Calendar Proton Drive Proton Account Proton VPN Proton Pass Proton Wallet Proton Lumo Proton Meet Technically, this monorepo is based on Yarn & Yarn Workspaces, with unified versioning for all packages inside. Getting Started Prerequisites You'll need to have the following environment to work with this project: Node.js LTS Yarn 4 git See…
read the full proton-lumo overview →
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Frequently asked questions
Is novu or proton-lumo more popular?
novu has 40,249 GitHub stars and proton-lumo has 5,675. novu has the larger community by that measure.
Are novu and proton-lumo free?
Both are open source. novu has no licence declared in this registry, and proton-lumo is licensed under GPL-3.0. Both are free to self-host.
What is the difference between novu and proton-lumo?
novu is written in TypeScript and proton-lumo in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, novu or proton-lumo?
Choose novu if you want the larger community (40,249 stars) or its Custom / other licence terms. Choose proton-lumo if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.