Alternatives to OpenSpec

Open-source Python framework to build LLM apps with decorators.

Open-source multi-agent framework for structured AI software development

Chinese LLM platform for enterprise agents, MaaS, and open-source models

Open platform for autonomous cloud coding agents that fix bugs, review PRs, and migrate code asynchronously.

Open-source Python SDK for building multi-agent workflows with handoffs, guardrails, and realtime voice.

Open-source MCP server for live Chrome browser control and DevTools debugging

System-wide context layer for AI coding agents across multi-repo projects

Enterprise open-weight foundation models and agents for high-consequence software engineering.

Multi-agent AI coding assistant for VS Code

Docs, SDKs, and CLI from one API spec, built for the AI era

Coding AI trained on production code for maintainable software.

AI coding assistant with deep AWS integration and agentic automation

Turn ideas into live apps and websites with AI, no coding required.

Visually build native & web apps with AI agents and exportable code

Generate & deploy Next.js landing pages in 5 minutes with AI.

Low-code, pro-code, and AI platform for SAP extensions and automation.

Autonomous AI software engineer for enterprise production code deployment.

Turn sketches into working UI with Make Real Tldraw

Python decorator library for minimal-abstraction LLM apps with observability

Build and deploy full-stack apps from natural language with Replit Agent.

AI-native design tool that ships React+Tailwind code, not mockups.

AI agent observability for tracing, monitoring, and evaluating LLM apps

AI-powered app builder: build and host websites, tools & apps in minutes

OS-level automatic memory for developers that captures code, docs, and chats without interrupting flow

Build full-stack web apps by chatting with AI.

Turn natural language into full-stack React/Next.js apps with AI

AI-native documentation platform with agent-driven Q&A and automations

Enterprise AI code assistant with air-gapped deployment and custom fine-tuning.

Unified SAST, SCA, and secrets scanning with AI-powered accuracy

Unified API lifecycle platform with AI-powered testing and documentation