Top #hacktoberfest Tools & Software

manticoresearch

github

Easy to use open source fast database for search | Good alternative to Elasticsearch | Drop-in replacement for E in the ELK stack

webhook

github

webhook is a lightweight incoming webhook server to run shell commands

WatermelonDB

github

🍉 Reactive & asynchronous database for powerful React and React Native apps ⚡️

pyroscope

github

Continuous Profiling Platform. Debug performance issues down to a single line of code

homer

github

A very simple static homepage for your server.

owncast

github

Take control over your live stream video by running it yourself. Streaming + chat out of the box.

FerretDB

github

A truly Open Source MongoDB alternative

cphalcon

github

High performance, full-stack PHP framework delivered as a C extension.

jsonhero-web

github

JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed. 🚀. Built with 💜 by the Trigger.dev team.

awesome-hacker-search-engines

github

A curated list of awesome search engines useful during Penetration testing, Vulnerability assessments, Red/Blue Team operations, Bug Bounty and more

cyclejs

github

A functional and reactive JavaScript framework for predictable code

milligram

github

A minimalist CSS framework.

awesome-threat-intelligence

github

A curated list of Awesome Threat Intelligence resources

prometheus-operator

github

Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes

howtheysre

github

A curated collection of publicly available resources on how technology and tech-savvy organizations around the world practice Site Reliability Engineering (SRE)

self-hosted

github

Sentry, feature-complete and packaged up for low-volume deployments and proofs-of-concept

DevOps-Guide

github

DevOps Guide - Development to Production all configurations with basic notes to debug efficiently.

wstg

github

The Web Security Testing Guide is a comprehensive Open Source guide to testing the security of web applications and web services.

npkill

github

List any node_modules 📦 dir in your system and how heavy they are. You can then select which ones you want to erase to free up space 🧹

dawarich

github

Your favorite self-hostable alternative to Google Timeline (Google Location History)

atlantis

github

Terraform Pull Request Automation

falco

github

Cloud Native Runtime Security

fission

github

Fast and Simple Serverless Functions for Kubernetes

crawlee-python

github

Crawlee—A web scraping and browser automation library for Python to build reliable crawlers. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Parsel, BeautifulSoup, Playwright, and raw HTTP. Both headful and headless mode. With proxy rotation.