Alternatives to GitHub Copilot

PullFlow syncs GitHub pull request reviews across Slack and VS Code, with AI agents in every PR thread.

AI code review agent that posts high-signal bug and security findings on your GitHub pull requests, with one-click fixes.

Free, open-source VS Code extension that runs multiple AI coding agents in one panel so they can debate and cross-check each other's code.

Define cloud coding agents in environment.yaml, deploy them by merging a PR, and run Claude Code or Codex with scoped permissions and hard spend caps.

Claude Code is Anthropic's agentic coding assistant that plans, edits, and runs commands across your repo from the terminal, IDE, or browser.

Agentic AI code review plus a governance layer that enforces your team's coding rules on every pull request.

Junie is JetBrains' AI coding agent that runs in your terminal, IDE, GitHub, or GitLab — with any model you bring.

AI code review and governance that gives your coding agents a quality counterpart.

DeepSource is an AI code review platform combining 5,000+ static rules with AI agents for pull request feedback.

Open-source coding agent that edits code and runs terminal commands across IDE, CLI, and desktop.

Ponytail is an open-source ruleset that makes AI coding agents write minimal, pragmatic code.

Windsurf Editor — now Devin Desktop — runs fleets of local and cloud AI coding agents from one IDE with agent orchestration.

Capy orchestrates fleets of cloud coding agents inside Slack, GitHub, and Linear, with unlimited members on every plan.

Mira is a self-hosted, open-source AI code reviewer that indexes your whole repo and reviews pull requests with any LLM you choose.

Runtime code review that builds and runs your app on every pull request to catch bugs before merge.

Pre-merge compatibility checker that catches cross-branch conflicts AI coding agents create on the same repository.

Free, local, open-source plan & code review for AI coding agents.

Codegen orchestrates AI coding agents across repos with ClickUp task context, YAML pipelines, and audit trails.

Open-source local-first orchestrator for running many AI coding agents in parallel, each in its own git worktree, from idea to merged PR.

Desktop app that turns AI-generated pull requests into guided code walkthroughs and cleans up the mess before merge

Ring is a process enforcement layer for Claude Code: a 10-gate cycle, 89 skills, and 38 agents that make skipping tests and reviews impossible.

Optibot is an AI code review agent that reviews every pull request with full multi-repo codebase context.

Install open Agent Skills that teach Claude Code, Cursor, and other coding agents the correct Fallow commands, flags, and output-reading rules

Open-source AI code review agent that scaffolds a GitHub Action and posts inline comments on every pull request.

CodeMate is an on-device-first AI coding agent that writes, reviews, and quality-gates code inside your own environment.

Bito's Governor is an AI model router and code context engine that cuts coding agent spend by grounding every request in your codebase.

Multi-agent AI coding assistant for VS Code, launching soon

Enterprise AI code assistant that feeds your architecture, policies and standards into every agent your team runs

Open-source AI coding agent for VS Code and JetBrains — now free to fork after the Cursor acquisition.

Devin Desktop (formerly Codeium) is a free AI coding assistant and agent-native IDE with unlimited Tab completions and an Agent Command Center for fleets of