108 + DevTools tools and resources

Discover the top picks to maximize your productivity with the best utilities and apps. Our collection features utilities and apps for working with Pdf, Json, Shell, Git and much more...

Heynote logo

Heynote

Exploratory Testing

A dedicated scratchpad for developers and testers

Free
Webacus logo

Webacus

DevTools

Perform 110+ operations, including encoding, decoding and more...

Free
Uncompressed JavaScript bytes per character logo

Uncompressed JavaScript bytes per character

Performance Testing

Fetch and process the JSON data from a WebPageTest result.

Free
TypeSchema logo

TypeSchema

DevTools

Universal adapter for interacting with any validation schema.

Free
Rig logo

Rig

DevOps

open-source and complete service-lifecycle platform for Kubernetes

Free Trial
Tracetest logo

Tracetest

DevTools

Opensource tool to build end-to-end tests 98% faster utilizing trace-based testing.

Free Trial
Promptfoo logo

Promptfoo

AI Testing

Test your prompts, agents, and RAGs. Red teaming, pentesting, and vulnerability scanning for LLMs.

Free
S

Selenium Kubernetes

DevOps

Pre-configured YAML files to effortlessly deploy a Selenium Grid on your Kubernetes.

Free
OpenAPI AutoSpec logo

OpenAPI AutoSpec

API Testing

Automatically generates OpenAPI specifications in real-time.

Free
Instancio logo

Instancio

Test Data Generation

A Java library for automating data setup in unit tests.

Free
APCA Contrast Calculator logo

APCA Contrast Calculator

Accessibility Testing

Accessible Perceptual Contrast Algorithm

Free
Mimesis logo

Mimesis

Test Data Generation

Generate wide range of fake data in multiple languages.

Free
Distrobox logo

Distrobox

DevOps

Use any Linux distribution inside your terminal.

Free
p

pgmock

Memory

In-memory Postgres for unit/E2E tests

Free
Docker Windows logo

Docker Windows

DevTools

Windows inside a Docker container.

Free
SQL Workbench logo

SQL Workbench

IDE

Run SQL queries in your browser.

Free
Wave Terminal logo

Wave Terminal

IDE

An open-source terminal emulator for Mac or Linux.

Free
Debugbar logo

Debugbar

DevTools

Get a better understanding of your application performance and behavior with the debugbar.

Free
Swift Testing logo

Swift Testing

Automated Checking

A package with expressive and intuitive APIs that make testing your Swift code a breeze.

Free
The Android Ally logo

The Android Ally

Accessibility Testing

Get faster access to Android device accessibility features.

Free
Screen Ruler: Measure The Web logo

Screen Ruler: Measure The Web

Exploratory Testing

Measure sizes, distances, margins and paddings of any element on any web page.

Free
A

Actions Batch

DevTools

Run a shell script in an isolated, immutable environment, collect the logs or results.

Free
Firecamp logo

Firecamp

API Testing

Design, develop, test, and document their APIs effortlessly.

Free Plan
Repo Lockdown logo

Repo Lockdown

DevTools

A GitHub Action that immediately closes and locks issues and pull requests.

Free
Quicktype logo

Quicktype

Automated Checking

Convert JSON into gorgeous, typesafe code in any language.

Free
TimeLapze logo

TimeLapze

Screen Capture

A open-source menu bar application for creating screen and camera timelapses without excessive file sizes.

Free
PDFcheck logo

PDFcheck

Accessibility Testing

Immediately check one or one hundred PDF files for signs of inaccessibility

Free
w

wacat

Automated Checking

Tests your web application against cat chaos!

Free
Automock logo

Automock

Automated Checking

A tool to optimize the unit testing process.

Free
gaxios logo

gaxios

API Testing

An HTTP request client that provides an Axios-like interface over top of node-fetch.

Free
T

Tldts

IDE

JavaScript Library to extract domains, subdomains and public suffixes from complex URIs.

Free
Zed logo

Zed

IDE

High-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Free
Open Graph Tester logo

Open Graph Tester

Screen Capture

Preview and test your website's Open Graph data

Free
Bruno logo

Bruno

API Testing

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

Free