236 + Open Source tools and resources
Streaming Data Generator
A tool for generating customizable streaming data with support for various distributions and anomalies.
Debugbar
Get a better understanding of your application performance and behavior with the debugbar.
Swift Testing
A package with expressive and intuitive APIs that make testing your Swift code a breeze.
Screen Ruler: Measure The Web
Measure sizes, distances, margins and paddings of any element on any web page.
Actions Batch
Run a shell script in an isolated, immutable environment, collect the logs or results.
Testcontainers
An open source framework for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about anything that can run in a Docker container.
Device Simulator & Tester
Test sites on multiple devices in one tab. Improve development, UI/UX, & QA with live previews.
Echoed
Observable Integration Testing using OpenTelemetry on top of Jest/Playwright/Cypress.
TimeLapze
A open-source menu bar application for creating screen and camera timelapses without excessive file sizes.
PDFcheck
Immediately check one or one hundred PDF files for signs of inaccessibility
Difftastic
A CLI diff tool that compares files based on their syntax, not line-by-line. Difftastic produces accurate diffs that are easier for humans to read.
gaxios
An HTTP request client that provides an Axios-like interface over top of node-fetch.