exe.dev

Founded in 2022 in Zurich, Namespace provides dedicated compute for building and testing code across Mac, Windows and Linux — managed GitHub Actions runners, remote Docker builders and devboxes — positioned as infrastructure for developers and AI coding agents. It serves 1,000+ organisations.

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.

Boxes.dev, founded in San Francisco in 2026, provides cloud computers for AI coding agents: each Claude Code or Codex agent gets its own isolated Firecracker-based Linux machine that mirrors the developer's local setup, with SSH/IDE access, snapshots for fast parallel spin-up, Slack-triggered automations and per-second billing. It targets developers and teams running many coding agents in parallel. Co-founders Nick Bushak and Drew Regitsky previously built recruiting CRM Gem together.

Niteshift, founded in 2025 in New York, USA, provides a cloud development environment where AI coding agents can run, test, and verify software, targeting AI development teams lacking trustworthy validation environments.

Clerk, founded in 2019 in San Francisco, provides embeddable UI components, APIs, and admin dashboards for user authentication and management. The company serves approximately 1,300 paying customers and manages 16 million users on their behalf, with plans to grow headcount from 55 to 80 by year-end to compete with rivals such as Descope, Stytch, and WorkOS.

Synthesized, founded in 2020 in London, UK (with a presence in New York), uses AI to automate enterprise software testing and synthetic test data generation.