Alternatives to OpenSpec

Open-source platform for autonomous cloud coding agents that fix bugs, review PRs, and automate workflows.

Open-source desktop workspace to run and route multiple AI coding agents locally.

Open-source, local-first AI design workspace that wires your coding agent into a design engine

Open-source ruleset that makes AI coding agents write minimal, pragmatic code.

Open-source IDE to orchestrate 100+ coding agents in parallel

Open-source agentic development workspace for AI coding teams

Pioneering open-source AI coding agent for VS Code and JetBrains, now archived after Cursor acquisition.

Open AI toolkit for loyal, auditable coding agents.

Spec-driven AI coding platform that turns prompts into tested, production-ready code with parallel agents.

Open platform to build, run, and orchestrate AI coding agents across your SDLC

Open-source, self-hosted AI coding agent that plans, executes, and deploys tasks in your IDE.

Open-source CLI that turns natural language specs into runnable web apps via an interactive prompt loop.

Open-source autonomous coding agent for IDE, CLI, and parallel Kanban boards.

Open-source AI agent for desktop, CLI, and API — automate code, research, and workflows locally

Free, open-source AI code assistant for JetBrains IDEs with spec-driven development

Free, open-source macOS terminal + live diff cockpit for vibe coding with agent orchestration

Open-source coding agent CLI for any model in your terminal

Open-source AI coding agent with 500+ models, zero markup, and multi-IDE support.

Run any AI coding agent from anywhere — self-hosted, multi-provider, open source.

Open-source terminal coding agent that runs any model locally

Open-source AI coding agent for terminal, IDE, and desktop with model-agnostic provider support.

Xiaomi's free, open-source AI coding assistant with unlimited context

Self-hosted open-source SuperAgent for deep research, coding, and creation.

Local-first, open-source AI coding agent that builds its own harness and automates your desktop.

Run a team of AI agents from a Kanban board — free, local, open-source.

Open-source TUI supervises headless Claude Code agents through a gated delivery pipeline

Containerized open-source coding agent for the terminal with multi-provider support.

Open-weight coding models for autonomous code agents, plus a terminal-native Vibe CLI

Self-hosted open-source AI coding assistant with code completion, answer engine, inline chat, and Pochi agent.

Open-weight agentic coding models for secure on-prem enterprise AI