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Top 23 Python HacktoberFest Projects
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Free Programming Books
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SaaSHub
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Project mention: Stop Hoarding Junk Code! Your Algorithm Learning Bible Awaits | dev.to | 2025-09-01
git clone https://github.com/TheAlgorithms/Python.git cd Python
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transformers
🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.
Project mention: The $100 ChatGPT: Why Karpathy's nanochat Represnts the Next Big Thing | dev.to | 2026-05-04Hugging Face Transformers: 500,000+ lines
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Home Assistant
:house_with_garden: Open source home automation that puts local control and privacy first.
https://www.home-assistant.io/
the interface can be set up on her phone, a tablet on a wall, and limiting things to giant buttons and displays is very easy for you.
And, you can monitor and be alerted near real time to issues of course.
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Wow, it's actually real.
https://old.reddit.com/r/github/comments/1at9br4/i_am_new_to...
https://github.com/sherlock-project/sherlock/issues/2011
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PayloadsAllTheThings
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
if you've never worked on SQL injection that's fine there is a PWNSOME REPOSITORY(get it? pwn + awesome) called[ Payload All The Things (https://github.com/swisskyrepo/PayloadsAllTheThings) it has different payloads for different web vulnerabilities.
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Project mention: Why everyone is talking about loop-engineering and how is it changing agentic ai workflows? Claude Code and Web Scraping examples | dev.to | 2026-06-10
Think about what a mature scraping project already contains. There is a schema that every item must validate against. There are field coverage thresholds, because a run where only 60% of products have prices is a failed run no matter what the exit code says. There are expected item counts, error rate ceilings, and finish reason checks. In the Scrapy world we even have a dedicated framework for all of this, and I wrote about it earlier this year in my post on giving spidey-senses to your spiders with Spidermon. Here is the reframe that I cannot stop thinking about: a Spidermon monitor suite is a rubric. Our community spent a decade encoding "what good data looks like" into machine-checkable criteria, because silent failure is scraping's oldest enemy, the spider that runs green for three weeks while quietly shipping garbage. We built the evaluator long before we had a generator capable of acting on its feedback. Every other field adopting loop engineering has to invent its definition of done from scratch. We just have to plug ours in. The missing piece was never detection. It was what happens after detection, which until now was a human reading an alert, opening the site, sighing at the redesign, and rewriting selectors. Models like Fable 5, which Anthropic says can work autonomously far longer than any previous Claude model, are finally good enough to sit inside that gap. John Rooney saw early versions of this pattern when he built scraping agents for 30 days, and the lesson that stuck with me from his series is that agents fail not from lack of capability but from lack of structure around them. Loops are that structure.
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Project mention: Export Sentry Issues to Google Sheets on the Free Plan (No Business Upgrade Needed) | dev.to | 2026-06-13
The CSV export button lives in Discover, which is a Business-plan feature (~$80/mo). On the Team plan, the export link just 404s (getsentry/sentry#101587).
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Project mention: Benchmarking ASR & Essential Open-Source CV Tools for Local AI | dev.to | 2026-06-09
Source: https://github.com/roboflow/supervision
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paperless-ngx
A community-supported supercharged document management system: scan, index and archive all your documents
Project mention: I Built an Open Source AI Workspace for Paperless-ngx Because I Wanted Document Intelligence | dev.to | 2026-05-08And even after organizing everything with tools like Paperless-ngx, I still felt like something was missing.
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diffusers
🤗 Diffusers: State-of-the-art diffusion models for image, video, and audio generation in PyTorch.
Project mention: GLM-Image: The First Open-Source Industrial-Grade Autoregressive Image Generation Model | dev.to | 2026-01-13pip install "sglang[diffusion] @ git+https://github.com/sgl-project/sglang.git#subdirectory=python" pip install git+https://github.com/huggingface/transformers.git pip install git+https://github.com/huggingface/diffusers.git
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searxng
SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.
Project mention: My Journey into Open Source: From Linux Basics to Self-Hosting SearXNG | dev.to | 2025-10-30 -
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linkedin-skill-assessments-quizzes
Full reference of LinkedIn answers 2024 for skill assessments (aws-lambda, rest-api, javascript, react, git, html, jquery, mongodb, java, Go, python, machine-learning, power-point) linkedin excel test lösungen, linkedin machine learning test LinkedIn test questions and answers
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Redash
Make Your Company Data Driven. Connect to any data source, easily visualize, dashboard and share your data.
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spotify-downloader
Download your Spotify playlists and songs along with album art and metadata (from YouTube if a match is found).
Project mention: Ultimate Media Downloader: Download from 1000+ Platforms with One Command | dev.to | 2025-10-11SpotDL - Spotify integration
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When I read Discussion #13693, I noticed clear patterns. Maintainers and users shared their real-world experiences with i18n. Here are the five biggest pain points.
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Project mention: Launch HN: Gecko Security (YC F24) – AI That Finds Vulnerabilities in Code | news.ycombinator.com | 2025-08-01
Yes, that's exactly what we do. Some examples: https://github.com/eosphoros-ai/DB-GPT/pull/2650, https://github.com/dagster-io/dagster/pull/30002
We just need to follow responsible disclosure first by notifying the maintainers, working with them on a fix, and making it public once it is resolved.
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parlant
Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for controlled, consistent, and predictable LLM interactions.
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DocsGPT
Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.
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SuperAGI
<⚡️> SuperAGI - A dev-first open source autonomous AI agent framework. Enabling developers to build, manage & run useful autonomous agents quickly and reliably.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Python HacktoberFest discussion
Python HacktoberFest related posts
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Show HN: Manim-Studio – Prompt to 3blue1brown video
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Why everyone is talking about loop-engineering and how is it changing agentic ai workflows? Claude Code and Web Scraping examples
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Building a Vector Index in Azure AI Search: HNSW, Profiles, and RAG Retrieval
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I built a local first AI CCTV assistant using Gemma 4 + Frigate
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How to write and publish a Python package to PyPI
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Hacktoberfest 2025
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Flatcar Container Linux – container optimized, immutable fs, config provisioning
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source HacktoberFest projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | free-programming-books | 390,075 |
| 2 | TheAlgorithms | 221,910 |
| 3 | transformers | 161,558 |
| 4 | Home Assistant | 87,648 |
| 5 | sherlock | 84,944 |
| 6 | PayloadsAllTheThings | 78,311 |
| 7 | Scrapy | 62,224 |
| 8 | Sentry | 44,098 |
| 9 | supervision | 43,984 |
| 10 | paperless-ngx | 42,101 |
| 11 | black | 41,559 |
| 12 | diffusers | 33,842 |
| 13 | searxng | 31,834 |
| 14 | PythonRobotics | 29,739 |
| 15 | linkedin-skill-assessments-quizzes | 28,770 |
| 16 | Redash | 28,636 |
| 17 | spotify-downloader | 25,112 |
| 18 | Wagtail | 20,361 |
| 19 | Taipy | 19,237 |
| 20 | DB-GPT | 18,975 |
| 21 | parlant | 18,114 |
| 22 | DocsGPT | 17,925 |
| 23 | SuperAGI | 17,464 |
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