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About

Hook0 is an open source Webhooks-as-a-Service platform that helps developers send, receive, manage, and monitor webhooks at scale. It is built for teams that need to add webhook support to their product without spending weeks building retry logic, signatures, monitoring, queues, dead letter handling, event logs, and subscriber management from scratch. With one API call, teams can publish outbound events, while Hook0 handles delivery infrastructure, configurable retry logic, webhook calls, endpoint monitoring, event persistence, and developer tooling. It keeps track of every event an application sends and every webhook call it makes, helping teams debug integrations, inspect delivery attempts, and maintain an audit log. Hook0 supports secure webhook delivery with HMAC signatures, key rotation, TLS encryption, and compliance-focused deployment options. As a fully open source platform, it allows teams to audit the codebase and self-host on their own infrastructure.

About

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

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

SaaS and platform engineering teams that need reliable, open-source webhook infrastructure to send, monitor, and manage customer-facing events at scale

Audience

Software development teams, engineering managers, and DevOps organizations that use Slack for daily communication and GitHub or GitLab for code review. Especially teams frustrated by noisy official Slack integrations, teams running GitLab self-hosted, and organizations that use both GitHub and GitLab and want one notification tool.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

€59 per month
Free Version
Free Trial

Pricing

£5 per developer seat / month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Hook0
Founded: 2021
France
www.hook0.com

Company Information

MergeMe
Founded: 2026
United Kingdom
mergeme.dev/

Alternatives

FastHook

FastHook

FastHook.io

Alternatives

PRFlow

PRFlow

PRFlow.dev
CodeStream

CodeStream

New Relic
ALTO

ALTO

Brilliant Consulting
Convoy

Convoy

Convoy Webhooks
SmartGit

SmartGit

syntevo

Categories

Categories

Integrations

Claude
Cursor
GitHub
GitLab
JSON
Model Context Protocol (MCP)
Slack
Windsurf Browser

Integrations

Claude
Cursor
GitHub
GitLab
JSON
Model Context Protocol (MCP)
Slack
Windsurf Browser
Claim Hook0 and update features and information
Claim Hook0 and update features and information
Claim MergeMe and update features and information
Claim MergeMe and update features and information