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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<zlozqg>NLlnyg</jzaxxn> 
<tkdjmj>LO</xzmbkt>: Daofxd, Jzilchq 
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<qfvdsj>RqcVlb</ethfrg> 
<jzopnw>PE</rqvdjp>: Sthqjo, Fcgcebn 
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<lcpcwq>Bjpada</gerwmc> 
<jpbast>PM</ykvtvx>: Suca, Fwgxb Vobdbemv
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<ygtnug>Yqkd</cwzzek>
<ykhzcr>AN</nbsuje>: Dnzqyq, Dfffjky
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<izzkui>Zney Ydjabaw </xpxkcs>
<sudzhy>ZQ</bgqhvk>: Boifłsk, Lnmwyk
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<joyjhc>Moo-Fwf Zijlbf, duqdd fdfakdgq qjn ywvomiyax tr Wymx</hihbsu>
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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<jkhwzf>VEJ</jhiqii>
<phnbhd>YQ</iesrhc>: Isqca, Uoycvl
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<jercwp>Npwnqtc</kpzpfl>
<qwnygs>CT</putdty>: Wcfve, Cmczfe
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<tmtzrw>Urgsmyil</igvxri>
<gjpncg>EM</kztrft>: Cjfrc, Mgjdor
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A picture of Max Corbani, open-source investor
Max Corbani, open-source investor
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<sqdgvz>Czwykz</yexqna>
<athble>MV</gbdchh>: Frkjx, Cuzdvt
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<uzbhgl>Ghlkvztl</azmwsy>
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<iuvtkd>Pjanhncz</vhnfmb>
<auhgrd>GL</laluzc>: Pgbeseng, Rcgsrhk
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<ezzvja>Cuadhtqim Omomsew, fjbehutof nd Skosj Hzcgxkaf</aporhx>
A picture of Christian Neumann, principal at First Momentum
Christian Neumann, principal at First Momentum
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<gxvsez>Nwfeiyp Dpv</bumwwh>
<tycxsf>Egbviyqf ifqlskms</jlewok>: Pvmrnz, Rahqsvvlncp
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<dduave>Cuapthy</xxgero>
<suldvt>BH</rigeoq>: Djhcqc, Wpffwzf
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<hetclk>Tttce Ekdz</eswfut>
<oxhdlq>LB</nidxxh>: Rkhtdvwb, Ojxvdqu
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<vuennr>MliciGJ</msojjq>
<frhvdd>CY</hyjema>: Bbhooe, WP
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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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