Best Self-hosted Testing & Quality Assurance

A curated collection of the best self-hosted testing & QA tools help developers ensure that software behaves as expected across different scenarios, devices, and load conditions. These tools improve code reliability, prevent regressions, and validate product quality from unit to production.

Uptime Kuma

A user-friendly, open-source uptime monitoring solution for tracking website and service availability

Alternative to:

BetterStack

UptimeRobot

Opsgenie

Instatus

A user-friendly, open-source uptime monitoring solution for tracking website and service availability

Stars
70,156
Forks
6,168
Last commit
3 days ago

Ladybird

Ladybird is a new open-source web browser and engine built from scratch, focused on web standards, performance, and user privacy.

Alternative to:

Arc

Firefox

Google Chrome

Opera

Brave

Ladybird is a new open-source web browser and engine built from scratch, focused on web standards, performance, and user privacy.

Stars
43,148
Forks
1,830
Last commit
12 hours ago

Pythagora

A VS Code extension that uses AI to help developers plan, write, test, and deploy full-stack web applications with minimal coding required.

Alternative to:

Cursor

Windsurf

Lovable

Replit

A VS Code extension that uses AI to help developers plan, write, test, and deploy full-stack web applications with minimal coding required.

Stars
32,746
Forks
3,337
Last commit
3 months ago

Bruno

A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.

Alternative to:

Postman

Testfully

A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.

Stars
34,630
Forks
1,647
Last commit
1 day ago

Sentry

Sentry helps developers identify, debug and resolve issues in real-time across platforms and programming languages.

Alternative to:

BetterStack

DataDog

BugHerd

LogRocket

Bugsnag

Sentry helps developers identify, debug and resolve issues in real-time across platforms and programming languages.

Stars
40,999
Forks
4,359
Last commit
11 hours ago

HTTPie

Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.

Alternative to:

Postman

Testfully

Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.

Stars
35,739
Forks
3,724
Last commit
6 months ago

Onlook

Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.

Alternative to:

Webflow

Squarespace

Wix

Framer

Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.

Stars
9,962
Forks
617
Last commit
6 hours ago

Unleash

Unleash offers secure, open-source feature flags built for large enterprises, enabling controlled rollouts and risk reduction in software releases.

Alternative to:

Bucket

LaunchDarkly

Optimizely

Statsig

Unleash offers secure, open-source feature flags built for large enterprises, enabling controlled rollouts and risk reduction in software releases.

Stars
12,191
Forks
774
Last commit
1 day ago

OpenReplay

Open-source tool for session replay, product analytics, and performance monitoring, offering full data control through self-hosting or cloud options.

Alternative to:

Mixpanel

BetterStack

Kissmetrics

New Relic

Open-source tool for session replay, product analytics, and performance monitoring, offering full data control through self-hosting or cloud options.

Stars
10,125
Forks
586
Last commit
1 day ago

Gatus

A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure

Alternative to:

BetterStack

UptimeRobot

Opsgenie

Instatus

A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure

Stars
7,484
Forks
512
Last commit
5 hours ago

GrowthBook

Powerful platform for feature flagging and A/B testing, enabling safe releases and data-driven product improvements

Alternative to:

Bucket

LaunchDarkly

Optimizely

Statsig

Powerful platform for feature flagging and A/B testing, enabling safe releases and data-driven product improvements

Stars
6,601
Forks
562
Last commit
5 hours ago

Mockoon

Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.

Alternative to:

Postman

Testfully

Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.

Stars
7,167
Forks
412
Last commit
3 days ago

Flagsmith

Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Alternative to:

Bucket

LaunchDarkly

Optimizely

Statsig

Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Stars
5,661
Forks
440
Last commit
1 day ago

Neosync

Neosync enables developers to anonymize sensitive data and generate synthetic data for testing and development

Stars
3,867
Forks
155
Last commit
1 day ago

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Best Self-hosted Testing & Quality Assurance

A curated collection of the best self-hosted testing & QA tools help developers ensure that software behaves as expected across different scenarios, devices, and load conditions. These tools improve code reliability, prevent regressions, and validate product quality from unit to production.

Uptime Kuma

Ladybird

Pythagora

Bruno

Sentry

HTTPie

Onlook

Unleash

OpenReplay

Gatus

GrowthBook

Mockoon

Flagsmith

Neosync

Command Menu

Uptime Kuma

Ladybird

Pythagora

Bruno

Sentry

HTTPie

Onlook

Unleash

OpenReplay

Gatus

GrowthBook

Mockoon

Flagsmith

Neosync