Warp

Warp is an agentic development environment (ADE) built not as another code editor or a headless CLI tool, but as a GPU-accelerated terminal that expanded outward into an AI coding platform. By mid-2026 it passed one million active developers, ships agents with Full Terminal Use that other tools cannot offer, and open-sourced its core under AGPL-3.0 with OpenAI as the flagship sponsor. It is the clearest working example of the idea that coding agents do not need an IDE — they need a shell. ...

Warp’s 2026 open-source shift matters because it is not just a terminal source drop. Warp is turning the terminal into an agentic development environment where humans write intent, agents implement changes, and the repository itself becomes part of the workflow contract. What changed when Warp became open source? Warp announced on April 28, 2026 that its client is now open source. The public repository is warpdotdev/warp, licensed mostly under AGPL-3.0, with WarpUI crates under MIT. OpenAI is listed in the research brief as a founding sponsor of the open-source move. ...