Open-source local CLI that indexes coding-agent transcripts from Claude Code, Codex, Cursor, OpenCode, Gemini CLI, Copilot CLI, and related harnesses for cited history search.
Source-available model router that plugs into Claude Code, Codex, opencode, Cursor, and API clients to route each agent request to a cost-appropriate model.
Review-first terminal diff viewer for inspecting agent-authored changesets with multi-file navigation, inline AI notes, watch mode, and Git/Jujutsu/Sapling support.
Google open-source CLI and skill bundle that teaches Claude Code, Codex, Antigravity, and other coding agents to build, evaluate, deploy, and publish ADK agents on Google Cloud.
4.7k+
Unknown
6/30/2026
Free (Apache-2.0 open source; Google Cloud, AI Studio, and model usage costs separate)View Details
DoorDash open-source TUI that turns large feature requests into checkpointed multi-phase coding-agent workflows across Claude Code, Codex, and OpenCode.
45+
Unknown
6/30/2026
Free (Apache-2.0 open source; bring your own Claude Code, Codex, OpenCode, model, and GitHub CLI credentials)View Details
Open-source multi-harness plugin marketplace for shipping agents, skills, commands, and workflows across Claude Code, Codex CLI, Cursor, OpenCode, Gemini CLI, and Copilot.
37.1k+
Unknown
6/22/2026
Free (MIT open source; upstream agent and model costs separate)View Details
Open-source persistent memory layer for Claude Code and other coding agents that captures session observations, compresses them, and injects relevant context back into future work.
CodeBuddy is a Tencent Cloud AI coding assistant supporting MCP protocol, offering code generation, intelligent reviews, and design-to-code conversion across 200+ languages and 15+ IDEs.
Open-source terminal coding agent formerly known as DeepSeek TUI, with Plan/Agent/YOLO modes, MCP support, subagents, LSP diagnostics, and a headless runtime API.
39k+
Unknown
7/3/2026
Free open source (provider and model API costs separate)View Details
Agent-native software development workspace for delegating refactors, migrations, incident response, and other repo tasks across IDE, CLI, browser, and chat.
Unknown
3/30/2026
Pro from $20/month; Max $200/month; Enterprise customView Details
Open-source IDE and orchestration layer for AI coding agents, built around keyboard-first Claude Code workflows, parallel sessions, and team-scale context engineering.
10.8k+
Unknown
5/18/2026
Free open source (waitlist for packaged CodeLayer access)View Details
Kilo Code is an open-source AI agent VS Code extension that enhances coding efficiency through code generation, task automation, and intelligent suggestions.
Open-source memory-first coding agent that turns disposable coding sessions into long-lived agents with persistent memory, skills, search, and multi-channel access.
2.5k+
Unknown
5/21/2026
Free open source + optional model/API costsView Details
Open-source plan and code review layer for coding agents that opens browser-based review surfaces, captures inline annotations, and sends structured feedback back into the agent loop.
6.0k+
Unknown
6/8/2026
Free open source (local plugin); hosted Workspaces waitlistView Details
Open-source CLI and MCP tool that packs whole repositories into AI-friendly formats so coding agents can reason over real codebases with less setup friction.
Open-source AI coding agent for VS Code whose official docs now mark the original extension as shut down, with ZooCode and Cline listed as migration paths.
24.3k
1.7M+
6/26/2026
Marketplace listing is free, but the official docs now say the Roo Code Extension was shut down on May 15, 2026View Details
Open-source frontend coding agent and purpose-built browser that lets developers click live UI, inspect runtime context, and apply changes to real local codebases.
Open-source multi-platform AI coding workflow CLI for structuring specs, tasks, memory, and parallel agent work across tools like Claude Code, Codex, and Cursor.
11.8k+
Unknown
7/6/2026
Free open source (agent, model, API, and subscription costs separate)View Details
Warp is an agentic development environment that combines a modern terminal, built-in and cloud coding agents, and support for external CLI agents like Claude Code, Codex, and Gemini CLI.
Persistent cross-session memory layer for coding agents, with MCP, hooks, and shared recall across Claude Code, Codex CLI, Gemini CLI, OpenClaw, and more.
22.7k+
Unknown
6/14/2026
Free (Apache-2.0 open source; hosting/runtime costs depend on your setup)View Details
Open-source codebase knowledge graph plugin and dashboard that helps coding agents and humans understand repository structure, business logic, and onboarding flows.
Open-source persistent planning skill and plugin for coding agents that keeps task plans, findings, and progress on disk so work survives /clear, compaction, and crashes.
Open-source meta-harness for running, governing, sharing, and switching between coding agents like Claude Code, Codex, Cursor, OpenCode, Hermes, and Pi.
5.0k+
Unknown
6/27/2026
Free open source (model, subscription, and cloud sandbox costs separate)View Details