Dev tools · alternatives · 2026

24 alternatives to OnlyKey
OnlyKey is an open source alternative to YubiKey
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. OnlyKey launched in 2019; newer entries below may have overtaken it.
- 1
OnlyKey DUO▲88Open source Yubikey alternative with dual USB-C and USB-A
2021 · onlykey.io · its alternatives →
- 2

A Virtual FIDO2 USB Device. Contribute to bulwarkid/virtual-fido development by creating an account on GitHub.
2022 · github.com · its alternatives →
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YubiKey 5Ci▲129Security key with dual support for USB-C and Lightning
2019 · yubico.com · its alternatives →
- 5

## Auto-archived due to inactivity. ## YubiKey at Datadog - DataDog/yubikey
2019 · github.com · its alternatives →
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yubikey-agent is a seamless ssh-agent for YubiKeys. - FiloSottile/yubikey-agent
2020 · github.com · its alternatives →
- 8

Use Touch ID / Secure Enclave for SSH Authentication! - sekey/sekey
2017 · github.com · its alternatives →
- 9OneKey▲13
The only key you need to access your secrets securely
2025 · onekey-beta.vercel.app · its alternatives →
- 10

- 11KS
Hi HN! I built KeyPub.sh to solve the problem of user verification for CLI applications. It's essentially OAuth for the terminal, but using SSH keys that developers and users already have. - No installation needed - works with existing SSH setup - Privacy-focused: users control what email info is shared - Simple email verification process - Free public service - Perfect for CLI app developers who don't want to build user verification Try it with: `$ ssh keypub.sh about` Source code: https://github.com/skariel/keypub
2024 · keypub.sh · its alternatives →
- 12

Solo 1 firmware in C. Contribute to solokeys/solo1 development by creating an account on GitHub.
2018 · github.com · its alternatives →
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A distributed password manager without a master password - Zinggi/NoKey
2018 · github.com · its alternatives →
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- 17

Hey y'all, This is something I've been working on for a few months. It is a passkey system, similar to Apple Passkeys or a Yubikey, but it is entirely software based so you can sync credentials between devices. Passkeys (and FIDO devices in general) allow you to use public keys instead of passwords or codes to authenticate. For instance, you can just click "Approve" on the device/software instead of having to copy a code, and there are no passwords to phish. This is a new piece of tech, so website support for logins are still limited, but it can currently be used for 2FA anywhere a…
2022 · bulwark.id · its alternatives →
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- 19
Uniqkey▲116Protect every login and let users access with confidence
2025 · uniqkey.eu · its alternatives →
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- 23
KeyHippo [LW24]▲141Add API key auth to Postgres Row Level Security (RLS) policy
2024 · keyhippo.com · its alternatives →
- 24

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →