Kilo Code launched on April 2, 2026 as the community-governed continuation of Roo Code, which was archived by its original maintainers on May 15, 2026. The project absorbed Roo Code’s user base of approximately 1.5 million developers and positioned itself as the open, community-driven alternative to commercial coding agents requiring proprietary accounts and API access.
Kilo Code supported 500+ language models through bring-your-own-key access, with no markup on API costs. Version 7, released in May 2026, introduced parallel agents and a diff reviewer for inspecting proposed changes. The platform operated across VS Code, JetBrains IDEs, and a standalone CLI, and became the #1 extension by usage on OpenRouter.
The transition from Roo Code to Kilo Code illustrated the emerging community-governance model for open-source AI coding tools. When commercial pressures caused the original project to close, a community fork preserved and extended the work — suggesting that the open-source coding agent ecosystem had reached sufficient maturity to sustain itself independently of any single founding team.