Best Open-source AI Code Assistants & Autocomplete tools

OpenHands

AI-powered software development agents that code like humans

OpenCode

Terminal‑native AI coding assistant, provider‑agnostic and extensible.

Zed

High-performance, collaborative code editor built on Rust

Cline

AI coding assistant that edits files and runs commands

Kilo Code

VS Code AI agent for autonomous coding and task automation

Serena

Turn any LLM into a code‑aware development agent

Continue

AI coding assistant with custom agents for IDE and terminal

stagewise

AI-powered frontend coding agent that edits production web apps

Tabby

Self‑hosted AI coding assistant that runs on consumer GPUs

GPT Pilot

AI developer companion that builds production-ready apps step-by-step

Auto Claude

AI-driven multi-agent framework that builds and validates code autonomously

Void

AI‑powered code editor that keeps your data private

Aider

AI pair programming in your terminal with LLMs

Roo Code

AI-powered dev team inside your editor, boosting productivity.

opcode

Visual command center for Claude Code development and AI agents

Plandex

Terminal AI agent that plans, codes, and debugs large projects