Y Combinator Launches of the Week

(This round-up is for informational purposes only, and in order of the date/time of the launch, from earliest to latest.)

1) Mantis Biotechnology: Founded by Georgia Witchel, Mantis Biotechnology is the Infrastructure Powering Human-In-Computer Models. Know More At: mantisbiotech.com

2) Bits: Founded by Robbie Thompson and Bailey Wickham, Bits is fast and safe openclaw on the cloud. They have launched Klaus - an OpenClaw instance on the cloud, set up in 3 minutes, with Slack, Telegram, Anthropic/OpenAI/Gemini, a browser, malware protection, Molthub, Moltbook, and its own email address pre-configured. Know More At: app.usebits.com/landing-klaus

3) Fulcrum: Founded by Kaivalya Hariharan and Uzay Girit, Fulcrum is the agentic debugger for AI systems. Know More At: fulcrumresearch.ai

4) Toma: Founded by Monik Pamecha and Anthony Krivonos, Toma is building the AI software suite for underserved industries, starting with Automotive. Know More At: toma.com

5) MarkIT: Founded by Chanhyung Kim and Roland Saavedra, MarkIT builds AI agents that work directly inside the workflows trade professionals use every day, such as Excel, PDFs, broker portals, and more. Know More At: markittrade.com

6) Q2Q: Founded by Brianna Lin and Claire Wu, Q2Q is the AI-native outbound engine for deal sourcing. Know More At: tryq2q.com

7) Hex Security: Founded by Huzaifa Ahmad, Ahmad Khan, and Prama Yudhistira, Hex Security builds AI agents that run continuous penetration tests against your apps and infrastructure. Know More At: hex.co

8) VoiceOS: Founded by Jonah Daian and Kai Brokering, VoiceOS turns voice into a seamless, universal interface to 10x productivity, a true voice operating system for the next era of computing. Know More At: voiceos.com

9) Stilta: Founded by Oscar Adamsson, Oskar Block, Tobias Estreen, and Petrus Werner, Stilta is the AI-native software for patent practitioners, built on agentic workflows to amplify how IP work is done end-to-end. Know More At: stilta.com