MergeMe
MergeMe mirrors GitHub pull requests and GitLab merge requests into Slack as a single, updating notification card per PR/MR. Unlike the official GitHub or GitLab Slack apps, which post a new message for every event, MergeMe edits one message in place as status changes (opened, in review, approved, merged). Review comments appear as thread replies under that card.
Supported code hosts: GitHub, GitLab, and GitLab self-hosted. One workspace can connect multiple git sources at once. Route each repo or project to its own Slack channel, map GitHub/GitLab usernames to Slack users so @mentions actually ping reviewers, and use label-based routing to send bugs, features, and docs work to different channels.
Setup takes about five minutes: connect Slack, connect your git provider (OAuth, GitHub App, or webhook URL for self-hosted), then add channel mappings. MergeMe uses webhook payloads only - it does not read your private source code.
Free Hobby plan: 1 channel mapping, 5 users
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LaReview
LaReview is a local-first, open source code review workbench designed to transform pull requests and code diffs into structured, high-signal review workflows that prioritize understanding over noise. It takes a GitHub or GitLab PR or raw diff as input and uses AI coding agents to generate a clear review plan that organizes changes by flows, risks, and intent, allowing developers to review code in a deliberate and meaningful order rather than scrolling through files. It emphasizes a reviewer-first approach, helping engineers plan their review before commenting, and focuses on delivering actionable feedback instead of producing large volumes of low-value comments. It includes AI-powered planning that analyzes code like a staff engineer, identifying hazards and building structured checklists, along with task-focused review views that group work by logical flows and highlight risk through features like file heatmaps.
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Reviu
Reviu is a native desktop Git client built for fast review workflows.
The free version covers local Git: review diffs in inline or split mode, stage and restore by file or hunk, commit, amend, branch, rebase, cherry-pick, stash, and resolve conflicts, all from a keyboard-first UI with a command palette.
Reviu Pro adds GitHub directly in the app: notifications, repository browsing (overview, readme, code, pull requests, issues), and full pull request review with inline comments, approvals, checks, and merge flows.
Built with Rust and GPUI for native performance. No Electron, no webview.
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DeepSource
DeepSource is an AI-powered code review platform designed to help development teams maintain high-quality, secure, and reliable code. The platform automates code reviews using a hybrid approach that combines static analysis with advanced AI agents. It integrates directly with development workflows through platforms like GitHub, GitLab, Bitbucket, and Azure DevOps. DeepSource analyzes pull requests in real time, identifying bugs, security vulnerabilities, code complexity issues, and maintainability risks before code reaches production. The system provides structured feedback and inline comments to help developers quickly understand and resolve issues. Additional features such as secrets detection, dependency vulnerability scanning, and infrastructure-as-code review strengthen application security. By automating repetitive review tasks and providing intelligent insights, DeepSource enables teams to ship software faster while maintaining strong code quality standards.
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