Open source hacktoberfest projects

Every project in the registry tagged hacktoberfest, ranked by real GitHub adoption.

projects 346 combined stars ★ 3.8M refresh nightly
01 Excalidraw ★ 135K

Collaborative whiteboard with a hand-drawn aesthetic

last push11 hours ago languageTypeScript licenseMIT
02 Home Assistant ★ 92K

Local control smart home automation with privacy first

last push7 hours ago languagePython licenseApache-2.0
03 PayloadsAllTheThings ★ 82K

A list of useful payloads and bypass for Web Application Security and Pentest/CTF

last push3 days ago languagePython licenseMIT
04 Grafana ★ 78K

Unified observability for metrics, logs, traces, and more

last push8 hours ago languageTypeScript licenseAGPL-3.0
05 Strapi ★ 73K

Headless CMS with REST and GraphQL APIs out of the box

last push8 hours ago languageTypeScript license—
06 Prometheus ★ 67K

Open source metrics collection, storage, and alerting

last push8 hours ago languageGo licenseApache-2.0
07 docusaurus ★ 67K

Easy to maintain open source documentation websites.

last push18 hours ago languageTypeScript licenseMIT
08 NocoDB ★ 65K

Transform databases into intuitive spreadsheets instantly

last push13 hours ago languageTypeScript license—
09 scrapy ★ 65K

Scrapy, a fast high-level web crawling & scraping framework for Python.

last push9 hours ago languagePython licenseBSD-3-Clause
10 nuxt ★ 61K

The full-stack Vue framework.

last push8 hours ago languageTypeScript licenseMIT
11 Twenty ★ 60K

Build a custom CRM without the proprietary lock-in

last push8 hours ago languageTypeScript license—
12 Jellyfin ★ 59K

Self-hosted media server for movies, music, and more

last pushyesterday languageC# licenseGPL-2.0
13 ClickHouse ★ 51K

Lightning-fast analytics for massive datasets

last push8 hours ago languageC++ licenseApache-2.0
14 Rocket.Chat ★ 46K

Self-hosted team messaging with voice, video, and AI

last push8 hours ago languageTypeScript license—
15 Sentry ★ 46K

Real-time error tracking and performance monitoring

last push8 hours ago languagePython license—
16 Hyperswitch ★ 46K

Open source payment orchestrator for global transactions

last push8 hours ago languageRust licenseApache-2.0
17 hexo ★ 42K

A fast, simple & powerful blog framework, powered by Node.js.

last push7 days ago languageTypeScript licenseMIT
18 AppSmith ★ 41K

Empower your team to build custom internal tools rapidly

last push13 hours ago languageTypeScript licenseApache-2.0
19 TiDB ★ 41K

Scale-out SQL database for real-time analytics

last push8 hours ago languageGo licenseApache-2.0
20 Mattermost ★ 40K

Secure collaboration platform for mission-critical work

last push8 hours ago languageTypeScript license—
21 trivy ★ 39K

Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more

last push19 hours ago languageGo licenseApache-2.0
22 Harness ★ 39K

End-to-end open source software delivery platform

last push10 hours ago languageGo licenseApache-2.0
23 portainer ★ 39K

Making Docker and Kubernetes management easy.

last push15 hours ago languageTypeScript licenseZlib
24 Nextcloud ★ 37K

Secure cloud collaboration platform for organizations

last push8 hours ago languagePHP licenseAGPL-3.0
25 typeorm ★ 37K

TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.

last push5 days ago languageTypeScript licenseMIT
26 Refine ★ 36K

Build data-rich React apps with ease and flexibility

last push2 months ago languageTypeScript licenseMIT
27 ProjectDiscovery ★ 33K

Advanced vulnerability detection and management platform

last push9 hours ago languageGo licenseMIT
28 cua ★ 32K

Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation.

last push8 hours ago languageRust licenseMIT
29 webtorrent ★ 31K

⚡️ Streaming torrent client for the web

last push2 days ago languageJavaScript licenseMIT
30 gitleaks ★ 31K

Find secrets with Gitleaks 🔑

last push6 days ago languageGo licenseMIT
31 Kestra ★ 30K

Declarative workflow orchestration for data, AI, and infra

last push9 hours ago languageJava licenseApache-2.0
32 KeePassXC ★ 30K

Cross-platform, secure password manager

last push10 hours ago languageC++ license—
33 nx ★ 29K

The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automatically. Ship in half t

last push8 hours ago languageTypeScript licenseMIT
34 Hey ★ 29K

Decentralized social networking for the Web3 era

last push2 months ago languageTypeScript licenseGPL-3.0
35 Grafana Loki ★ 29K

Cost-effective log aggregation that indexes labels, not full text

last push8 hours ago languageGo licenseAGPL-3.0
36 Redash ★ 29K

Connect, query, visualize, and share your data

last push8 hours ago languageTypeScript licenseBSD-2-Clause
37 NvChad ★ 29K

Blazing fast Neovim framework providing solid defaults and a beautiful UI, enhancing your neovim experience.

last push9 days ago languageLua licenseGPL-3.0
38 GDevelop ★ 28K

Create 2D and 3D games without coding, powered by AI assistance

last push8 hours ago languageJavaScript license—
39 Bagisto ★ 28K

Open source Laravel eCommerce platform for modern businesses

last push14 hours ago languagePHP licenseMIT
40 openapi-generator ★ 27K

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec

last push11 hours ago languageJava licenseApache-2.0
41 jenkins ★ 27K

Jenkins automation server

last push14 hours ago languageJava licenseMIT
42 redoc ★ 26K

📘 OpenAPI/Swagger-generated API Reference Documentation

last push2 days ago languageTypeScript licenseMIT
43 Invidious ★ 26K

Watch YouTube without Google tracking you or showing ads

last push24 hours ago languageCrystal licenseAGPL-3.0
44 responsively-app ★ 26K

A modified web browser that helps in responsive web development. A web developer's must have dev-tool.

last push1 months ago languageTypeScript licenseAGPL-3.0
45 argo-cd ★ 25K

Declarative Continuous Deployment for Kubernetes

last push8 hours ago languageGo licenseApache-2.0
46 Krayin ★ 24K

Self-hosted CRM for enhanced business relationships

last push29 hours ago languagePHP licenseMIT
47 superfile ★ 24K

Pretty fancy and modern terminal file manager

last push4 days ago languageGo licenseMIT
48 jaeger ★ 23K

CNCF Jaeger, a Distributed Tracing Platform

last push8 hours ago languageGo licenseApache-2.0
49 opik ★ 23K

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready d

last push8 hours ago languagePython licenseApache-2.0
50 Vector ★ 23K

Collect, transform, and route logs and metrics in one tool

last push8 hours ago languageRust licenseMPL-2.0
51 Matomo ★ 22K

Empower your digital strategy with actionable insights

last push9 hours ago languagePHP licenseGPL-3.0
52 Automa ★ 22K

Build AI agents and RPA workflows without writing code

last push8 months ago languageVue license—
53 Kodi ★ 21K

Full-featured media center for your TV and beyond

last push8 hours ago languageC++ license—
54 monolog ★ 21K

Sends your logs to files, sockets, inboxes, databases and various web services

last push38 hours ago languagePHP licenseMIT
55 parse-server ★ 21K

Parse Server for Node.js / Express

last push30 hours ago languageJavaScript licenseApache-2.0
56 gofr ★ 21K

An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.

last push12 hours ago languageGo licenseApache-2.0
57 wagtail ★ 21K

A Django content management system focused on flexibility and user experience

last push10 hours ago languagePython licenseBSD-3-Clause
58 DB-GPT ★ 20K

open-source agentic AI data assistant for the next generation of AI + Data products.

last push19 hours ago languagePython licenseMIT
59 taipy ★ 19K

Turns Data and AI algorithms into production-ready web applications in no time.

last push3 months ago languagePython licenseApache-2.0
60 telegraf ★ 18K

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

last push11 hours ago languageGo licenseMIT

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Frequently asked questions

How many open source hacktoberfest projects are there?

This registry tracks 346 projects tagged hacktoberfest, with 3,775,858 GitHub stars between them. The most-adopted is Excalidraw at 135,053 stars.

Are these hacktoberfest projects free to use?

Yes — 323 of the 346 carry an explicit open-source licence across 9 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.

Which hacktoberfest project should I choose?

The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.

Are these hacktoberfest projects still maintained?

305 of the 346 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.