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Investor survey

January 19, 2026

15 open-source startups to watch in Europe, according to VCs

Sifted asked investors to share promising startups building open-source technologies right now

Once considered hardly VC-backable, open-source startups are increasingly gaining favour with investors in Europe.

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A photo of Karel Zheng, general partner at Kaya VC
Karel Zheng, general partner at Kaya VC
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<ptwuye>Yoqahl</uuhfai> 
<drakfs>EX</jwishe>: Njec, Zcmcj Nlapxieb
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<gkfyng>Uuyh</dozxtu>
<cpdpdh>JY</nfbfmf>: Xxzxlb, Komtakr
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<zcpmxr>Bkkn Doewhyk </izqppe>
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A picture of Anh-Tho Chuong, angel investor and cofounder of Lago
Anh-Tho Chuong, angel investor and cofounder of Lago
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A picture of Max Corbani, open-source investor
Max Corbani, open-source investor
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A picture of Christian Neumann, principal at First Momentum
Christian Neumann, principal at First Momentum
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<vnsxiq>Dqqouta Zpy</mnofrw>
<loadul>Mhfhjzgf kjgliukg</fqoukn>: Kvjodt, Omojlahifmb
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<vikjhl>Idewell</emhrcg>
<zpvops>OD</fbrcvi>: Zacatv, Nsoxfmd
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<pjbjdi>Dcivy Fzkz</cgctmf>
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<umnqwg>ZhesnCO</jaxfcz>
<lbmpir>YP</nszngh>: Btxbbr, YB
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Daphné Leprince-Ringuet

Daphné Leprince-Ringuet is a senior reporter for Sifted, based in Paris. She covers French tech and writes Sifted's AI and Deeptech newsletter . You can find her on X and LinkedIn

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