Alternatives to Semble

Open-source code intelligence that cuts AI coding agent tokens by up to 50× with a single graph query.

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

Open-source MCP server for AI agents to design, render, and export 3D CAD parts via code

Free open-source local code-graph MCP server giving AI agents structural awareness before they edit.

AI model router and code context engine that cuts agent token spend by grounding requests in your codebase and routing to right-sized

Open-source dev platform uniting AI, NoCode, Code, and reusable MicroApps.

Open-source MCP server giving AI agents live control and deep debugging of Chrome DevTools.

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

Research-grade code models with 5M-token context for automating software engineering

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

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

Open-source spec framework that keeps AI coding agents aligned with your requirements as work evolves.

Open-source Unreal Engine 5.8 MCP expansion that gives AI agents hands-on editor control

Free open-source VSCode extension for one-click AI code comments, conversions, and UI-to-code

Open-source self-hosted backend for AI coding agents to ship full-stack apps from chat

Free, open-source desktop GUI for Claude Code with session management

Self-hosted code search and AI Q&A for multi-repo teams and 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.

Defunct AI search engine for developers with cited answers and code snippets

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

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

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

Multi-project, multi-agent desktop IDE where every repo and Claude/Codex/Gemini session stays open at once.

Open-source AI agent skills for CAD, CAE, and CAM from text or images.

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