Aider Alternatives
13 alternatives to Aider — comparable AI coding tools for building with AI agents.
Claude Code
Anthropic’s official agentic coding tool that runs in the terminal, IDE, and web.
Cline
Open-source autonomous coding agent for VS Code that plans, edits files, and runs commands with diff approval, using any model you bring or a local runtime.
Codex CLI
OpenAI's open-source terminal coding agent with sandboxed execution and two-layer approval controls.
Continue
An open-source IDE extension for building custom AI coding assistants.
Gemini CLI
Google's open-source terminal AI agent powered by Gemini models, with a 1M-token context window and built-in tools.
Goose
Block's open-source, on-machine AI agent that is MCP-native and model-agnostic, with a CLI and desktop app.
Llama Cpp
The C/C++ inference engine that made local LLMs possible — GGUF quantization, every GPU backend, and an OpenAI-compatible server, with no dependencies.
Ollama
An open-source tool to run open-weight LLMs locally with a single command, including a local OpenAI-compatible API.
Opencode
The open-source AI coding agent — a terminal TUI from Anomaly with 75+ model providers, LSP-powered context, parallel agents, and shareable sessions.
pgroll
An open-source CLI for zero-downtime, reversible Postgres schema migrations using the expand-contract pattern behind versioned schema views.
Serena
An MCP toolkit that gives coding agents IDE-grade powers — symbol-level retrieval and editing via language servers, across 40+ languages.
Spec Kit
GitHub's open-source toolkit for spec-driven development — a specify CLI and /speckit slash commands that walk any coding agent from spec to implementation.
Swe Agent
Open-source autonomous coding agent from Princeton/Stanford that turns an LLM into a software engineer to fix real GitHub issues.