StarSling
StarSling is a San Francisco developer-tools company founded in 2025 by Yonas Beshawred (founder of StackShare) and ex-Netflix engineer Daniel Worku, part of Y Combinator X25.
About
StarSling is a San Francisco developer-tools company founded in 2025 by Yonas Beshawred (founder of StackShare) and ex-Netflix engineer Daniel Worku, part of Y Combinator X25. It offers faster, cheaper drop-in Ubuntu and GPU runners for GitHub Actions plus AI agents that continuously optimize CI workflows (caching, test sharding, parallelization) and review code; customers include Better Auth, Mastra and Bespoke Labs.
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