Solo
The first open source FIDO2 security key. USB & NFC
Solo launched on October 7, 2018 with 12 votes, #997 of 2,827 launches that month and more than 50% of that year's launches. The site was not reachable when checked in September 2026.
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Solo, open source FIDO2 security key2018 · github.com · ▲98Solo 1 firmware in C. Contribute to solokeys/solo1 development by creating an account on GitHub.
FIDO2 USB+NFC token optimized for security, extensibility, and style2018 · github.com · ▲11Solo 1 firmware in C. Contribute to solokeys/solo1 development by creating an account on GitHub.
Solo V2 — Safety Net Against Phishing2021 · indiegogo.com · ▲12Open security key to protect your Gmail, Twitter, GitHub, ..
A virtual Yubikey device for 2FA/WebAuthN2022 · github.com · ▲166A Virtual FIDO2 USB Device. Contribute to bulwarkid/virtual-fido development by creating an account on GitHub.
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Source: Product Hunt launch ↗
