vega
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Nebula Security
Nebula Security is an AI-native cybersecurity company from Y Combinator's Summer 2026 batch. Founded by world-class hackers - members of the world's #1 CTF team r3kapig, DEF CON finalists, Black Hat speakers, and a cybersecurity PhD - it pairs an autonomous code-scanning agent called VEGA with human expertise to audit software for vulnerabilities, from code-level bugs to architectural weaknesses. The team has earned $400K+ in bug bounties exploiting the Linux kernel and Chrome, and reported over a thousand vulnerabilities. Its pitch: 'Attackers already have AI. Get VEGA now.'
unspun
unspun is a San Francisco-based fashion-technology company that built Vega, the world's first 3D weaving system for apparel. Vega weaves garments directly from yarn in minutes, skipping cut-and-sew steps to enable on-demand, near-zero-waste, locally produced clothing. A certified B Corp founded in 2015, unspun sells custom-fit jeans direct to consumers while licensing its hardware and software to brands and retailers aiming to decarbonize their supply chains. Its stated mission is to reduce global human carbon emissions by 1%.
Dexmate
Dexmate is a Santa Clara robotics startup building Vega, a general-purpose mobile robot with high-payload arms, dexterous hands and a foldable torso that reaches over seven feet. Founded in 2024 by a team out of MIT, UCSD and CMU, the company pairs custom hardware with a data-driven 'flywheel' learning approach - combining simulation and real-world data - to tackle dexterous manipulation for logistics, manufacturing, retail and research. Backed by NVIDIA and LG Technology Ventures, Dexmate has opened preorders for Vega at $89,999.