Prelint

Factory, founded in 2022 in San Francisco, applies AI to optimize the software development lifecycle.

Lightsprint (YC Spring 2026, San Francisco) lets non-engineering teammates direct cloud AI coding agents to plan, preview and ship real features into a company's production codebase, with engineers retaining merge control.

SylphAI, Inc. is a Mountain View-based applied AI company founded in 2023 by former Meta AI research scientist Li Yin. It built the open-source AdalFlow framework for auto-optimizing LLM pipelines and commercialized it as AdaL, an AI coding and agentic-engineering platform for developers and engineering teams.

Shelled is a San Francisco-based AI-native software development platform ("software that builds itself") that coordinates specialist AI agents — architect, coder, tester, reviewer and deployer — to turn a single prompt into a reviewed, production-ready pull request.

CodeRabbit was founded in 2023 in Walnut Creek, California. The company offers an AI-powered code review platform that automates the code review process for developers. In its first year, it gained over 600 paying SMB customers and claims to be one of the most widely installed AI applications on both GitHub and GitLab.

Augment Code, founded in 2022 in Palo Alto, builds an AI coding assistant and coding agents for enterprise developers that understand the whole codebase.