Alternatives to Synth

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

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

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

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

Turn sketches into working UI with Make Real Tldraw

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

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

Build full-stack web apps by chatting with AI.

Unified API lifecycle platform with AI-powered testing and documentation

Hybrid dev tool combining AI, NoCode, and full-code with reusable micro-apps.

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

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

AI sales prospecting with 100+ data sources and automation agents

Multi-agent AI coding assistant for VS Code

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

Coding AI trained on production code for maintainable software.

AI coding assistant with deep AWS integration and agentic automation

Omni-bodied robot brain learning from human video to control any robot for any task.

Autonomous AI software engineer for enterprise production code

Autonomous multi-agent AI for regulated Japanese enterprise R&D

General-purpose robot foundation models for heavy-duty industrial automation

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

Python decorator library for minimal-abstraction LLM apps with observability

Reverse-engineer AI models with mechanistic interpretability

Optimized local LLM fine-tuning with 2x speed and 90% less memory

Open-source framework for building multi-agent AI systems from Microsoft Research

Simplify ColBERT late-interaction retrieval in any RAG pipeline.

Enterprise AI automation for complex, compliance-heavy workflows

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