head to head · open source
frp vs sdns
frp has 110,577 GitHub stars, 15,316 forks, 48 open issues and last shipped 5 days ago. sdns has 1,089 stars, 75 forks, 0 open issues and last shipped 2 days ago. frp leads on adoption by 10,054% (110,577 vs 1,089 stars). frp is written in Go under Apache-2.0; sdns is written in Go under MIT. frp has attracted 14% as many forks as stars, sdns 7%. sdns 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
| frp | sdns | |
|---|---|---|
| GitHub stars | ★ 111K | ★ 1.1K |
| License | Apache-2.0 | MIT |
| Written in | Go | Go |
| Last push | 2026-11-10 | 2026-11-13 |
| Forks | ⑂ 15K | ⑂ 75 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick frp if
- You weight community size — 111K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick sdns if
- You want the sdns feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and sdns fits your workflow better
About frp
frp README 中文文档 Sponsors frp is an open source project with its ongoing development made possible entirely by the support of our awesome sponsors. If you'd like to join them, please consider sponsoring frp's development. Gold Sponsors High performance residential and ISP proxies for developers 90M+ residential IPs worldwide. Rotating IPs, sticky sessions, and traffic that never expires. From $0.55/GB. Use RAPID10 for 10% off. Try it for free. The complete IDE crafted for professional Go developers The sovereign cloud that puts you in control An open source, self hosted alternative to public clouds, built for…
About sdns
SDNS A recursive DNS resolver with DNSSEC validation, written in Go. Documentation · Install · Configuration · Benchmarks SDNS resolves from the root, validates answers against the DNSSEC trust anchors, and caches them. It serves DNS over TLS, HTTPS and QUIC alongside plain UDP and TCP, and answers warm cache hits from the bytes it already holds. Full documentation lives at sdns.dev . This file covers installing it and getting a first answer out of it. Install Pre built binaries for Linux, macOS, Windows and the BSDs, plus .deb and .rpm packages, are on the releases page. The full architecture matrix is in the…
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Frequently asked questions
Is frp or sdns more popular?
frp has 110,577 GitHub stars and sdns has 1,089. frp has the larger community by that measure.
Are frp and sdns free?
Both are open source. frp is licensed under Apache-2.0 and sdns under MIT. Neither carries a licence fee.
What is the difference between frp and sdns?
frp is written in Go and sdns 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, frp or sdns?
Choose frp if you want the larger community (110,577 stars) or its Apache-2.0 licence terms. Choose sdns if its feature set, stack or MIT licence fits better. Both are self-hostable.