head to head · open source
novu vs probo
novu has 40,002 GitHub stars, 4,494 forks, 105 open issues and last shipped yesterday. probo has 1,367 stars, 211 forks, 93 open issues and last shipped yesterday. novu leads on adoption by 2,826% (40,002 vs 1,367 stars). novu is written in TypeScript under a custom or non-standard licence; probo is written in Go under MIT. novu has attracted 11% as many forks as stars, probo 15%. novu was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | probo | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 1.4K |
| License | Custom / other | MIT |
| Written in | TypeScript | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 4.5K | ⑂ 211 |
| 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 probo if
- You want the probo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and probo fits your workflow better
About novu
Novu is an open source communication infrastructure platform for building and managing multi channel notifications in products and connecting them to AI agents. It lives in the Node.js/TypeScript ecosystem and targets developers who need to send and receive messages across email, SMS, push, in app inbox, chat, and collaboration tools like Slack and Microsoft Teams.
About probo
Probo is an open source MIT licensed governance, risk, and compliance platform written in Go. It targets engineering and security teams managing SOC2, GDPR, ISO27001, HIPAA, ISO27701, and ISO42001 work in one self hostable system. The project lives in the open source compliance and GRC ecosystem, and it exposes data through a web console, a prb CLI, a Model Context Protocol API, a GraphQL API, and an n8n community node.
read the full probo overview →
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Frequently asked questions
Is novu or probo more popular?
novu has 40,002 GitHub stars and probo has 1,367. novu has the larger community by that measure.
Are novu and probo free?
Both are open source. novu has no licence declared in this registry, and probo is licensed under MIT. Both are free to self-host.
What is the difference between novu and probo?
novu is written in TypeScript and probo in Go. 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 probo?
Choose novu if you want the larger community (40,002 stars) or its Custom / other licence terms. Choose probo if its feature set, stack or MIT licence fits better. Both are self-hostable.