The hottest Open Source Substack posts right now

And their main takeaways
Category
Top Technology Topics

GitHub ❤ India ❤ Open Source

Sector 6 | The Newsletter of AIM • 19 implied HN points • 12 Jun 24
🕹 Technology Open Source
  1. By 2027, India is expected to have the largest software developer community in the world, surpassing the United States.
  2. India's open-source community is vibrant, with many developers actively contributing to global projects rather than just consuming open source.
  3. The identity of a developer does not matter in open source; what's important is their ability to contribute, which is seen in India's diverse community.

Do Developers Dream of Google Zanzibar?

Permit.io’s Substack • 39 implied HN points • 12 Apr 24
🕹 Technology Open Source
  1. Open-source licenses are changing, and companies are finding it hard to balance fairness and sustainability. This is an important topic in the tech community.
  2. Google Zanzibar is a powerful tool for managing user access and permissions across many applications. It has changed how developers think about authorization systems.
  3. Different authorization models exist, like RBAC and ABAC, but Google Zanzibar offers a simpler, more effective way to handle permissions, especially in large environments.

tldraw's upcoming re-launch

tldraw • 137 implied HN points • 20 Mar 23
🕹 Technology Open Source
  1. The new version of tldraw is leaving beta and moving to tldraw.com on April 4th, 2023.
  2. Content from beta.tldraw.com will be moved to tldraw.com without being sent to their servers.
  3. The original version of tldraw will be available at old.tldraw.com for viewing read-only projects.

Not all BOM's are Created Equal

Resilient Cyber • 119 implied HN points • 07 Nov 23
🕹 Technology Open Source
  1. Not all software bills of materials (SBOMs) are the same, and they are important for software supply chain security. They help provide transparency about the components within software.
  2. The BOM Maturity Model can help evaluate how complete and useful a BOM is. It measures difficulty in obtaining data and assesses how well the BOM meets certain standards.
  3. As the industry works towards better SBOMs, tools and resources like the OWASP guides are crucial. They aim to improve understanding and detail in software management, similar to standards in food or pharmaceuticals.

Deploying simple Streamlit apps

Mostly Python • 524 implied HN points • 06 Feb 24
🕹 Technology Open Source
  1. You can deploy Streamlit apps to Streamlit's Community Cloud hosting service with a straightforward process.
  2. Make sure to be aware of the privacy concerns when granting Streamlit permissions for GitHub repositories.
  3. Streamlit sets a web hook on the repository, so any changes pushed to the repository's main branch will automatically update the deployed project.
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Console #193 -- An Interview with Alain of Planify - Task manager for GNU/Linux

Console • 531 implied HN points • 21 Jan 24
🕹 Technology Open Source
  1. Planify is a task manager designed for GNU/Linux, inspired by popular task managers like Things 3 and Todoist.
  2. Planify's developer, Alain, started the project as a way to create a task manager with a nice design and good functionality for Linux users.
  3. Planify is free to download and is maintained through donations, with a focus on design, detail, and user-friendly elements.

R1 is reasoning for the masses

Artificial Ignorance • 176 implied HN points • 22 Jan 25
🕹 Technology Open Source
  1. DeepSeek's new AI model, R1, is making waves in the tech community. It can solve tough problems and is much cheaper to use than existing models.
  2. The research behind R1 is very transparent, showing how it was developed using common methods. This could help other researchers create similar models in the future.
  3. R1's success signals a shift in the AI race, especially with a Chinese company achieving this level of performance. It raises questions about the future of global AI competition.

The latest open artifacts (#7): Alpaca era of reasoning models, China's continued dominance, and tons of multimodal advancements

Democratizing Automation • 150 implied HN points • 19 Feb 25
🕹 Technology Open Source
  1. New datasets for deep learning models are appearing, but choosing the right one can be tricky.
  2. China is leading in AI advancements by releasing strong models with easy-to-use licenses.
  3. Many companies are developing reasoning models that improve problem-solving by using feedback and advanced training methods.

Deep Dive: Akash Network

DeFi Education • 579 implied HN points • 05 Jun 22
🕹 Technology Open Source
  1. Akash is a decentralized cloud computing platform that allows users to deploy applications easily. This gives people more control compared to traditional cloud services.
  2. It has a marketplace where buyers and sellers can exchange cloud computing resources. This makes it easier for users to find the services they need.
  3. Using Akash can be more cost-effective than popular centralized cloud providers like Amazon AWS or Google Cloud. This can save users money when they need cloud services.

Tales from the jar side: Running LLMs locally, Spring Text-to-Speech and Spring AI, the AI Word Of The Year, and the usual silly tweets and toots

Tales from the jar side • 78 implied HN points • 07 Jan 24
🕹 Technology Open Source
  1. Working with AI models often requires subscriptions that cost money, but running your own LLM locally can be done with open-source models like Llama 2.
  2. Spring Text-to-Speech project involves using Spring framework with HTTP exchange interfaces and RestClient class for mp3 generation from text.
  3. Spring AI project is still in early versions, like 0.8.0-SNAPSHOT, with possible changes and bugs, making preparations for a training course challenging.

MakerNews - December 2025 Update

Maker News • 7 implied HN points • 31 Dec 25
🕹 Technology Open Source
  1. The maker community stayed curious and playful through 2025, prioritizing exploration, learning, and hands-on experimentation even when projects got messy.
  2. Practical, clever hacks and tools stood out — from ESP32 USB JTAG debugging and Raspberry Pi test benches to multicolor 3D printer mods, tiny spectrum analyzers, DIY chips, and firmware hacks.
  3. The year closed with community momentum and useful opportunities, like discounted CE certification for open-source hardware, encouraging makers to keep building into 2026.

People Without Dirty Hands are Wrong

Sung’s Substack • 79 implied HN points • 02 Jan 24
🕹 Technology Open Source
  1. Having dirty hands from diving into actual projects is important for growth, rather than just focusing on certifications or theory.
  2. Solving real problems in public and getting your hands dirty in open source can have a significant impact on your career, surpassing the importance of certifications.
  3. Engaging in hands-on experience and collaborating on projects that matter can lead to valuable personal growth and career advancement.

Agoda Universal MCP, Moltbook API Keys Leak, Radware + Pynt

The API Changelog • 3 implied HN points • 03 Feb 26
🕹 Technology Open Source
  1. APIs are shifting from fragmented, hand-wired integrations toward unified, AI-first ecosystems where machines can discover and use capabilities directly.
  2. That shift exposes serious security risks, as agent platforms and Model Context Protocol servers can leak API keys and sensitive data, so security needs to be built into the API lifecycle.
  3. APIs are becoming strategic infrastructure across industries — from finance and trading to robotics — enabling faster automation, compliance-by-design, and new AI-driven services.

I Want OpenAI To Fail

Theology • 146 implied HN points • 29 Jan 25
🕹 Technology Open Source
  1. AI has become too cheap and easy to access, making it less valuable. Companies should rethink relying solely on one big player like OpenAI.
  2. Businesses are realizing they can use open-source AI instead of paying for commercial options. This shift will change how AI is used and valued.
  3. The term 'Luddite' is often misunderstood; it's about being critical of how technology is used unfairly, not against technology itself. Being cautious can be wise in the rapid tech changes.

[TI-08] aliving the web

spencer's paradoxes • 117 implied HN points • 09 Sep 23
🕹 Technology Open Source
  1. Make the web feel alive by encouraging rich expression and shared reality.
  2. Strive for a digital space where participants shape the environment rather than algorithms.
  3. Promote resonance and connection on the internet through inventive and original ways of expression.

Opus 4.5, Z-Image, DeepSeekMath-V2, FLUX.2, Fara-7B, Hunyuan 3D global, Supertonic TTS, ltx Retake and more

AI Brews • 15 implied HN points • 28 Nov 25
🕹 Technology Open Source
  1. FLUX.2 can create super detailed images and infographics with up to 10 references combined. This means it can help artists and designers make more complex visuals easily.
  2. Z-Image is a powerful image generation model that works well even on regular computers. It can produce amazing images while accurately handling both English and Chinese text.
  3. The Retake feature from ltx studio lets users quickly change parts of a video after it's made. This saves time by keeping most of the video the same while only adjusting specific scenes.

Console #191 -- Interview with Bernhard of ACID Chess - Chess computer for nerds, by nerds

Console • 472 implied HN points • 07 Jan 24
🕹 Technology Open Source
  1. ACID Chess is a chess computer program written in Python that can analyze the movements of pieces on a chessboard through image recognition.
  2. The creator of ACID Chess balanced working on the project with a full-time job by dedicating time in evenings and weekends while finding it to be a good balance.
  3. The creator of ACID Chess believes AI will simplify various aspects of software development, and open-source software will continue to thrive with challenges in monetization for small developers.

Our first Substack!

Permit.io’s Substack • 59 implied HN points • 01 Feb 24
🕹 Technology Open Source
  1. Authentication and Authorization are often confused but are important parts of any app. Understanding how they differ helps ensure your app is secure.
  2. Many developers struggle with HTTP error codes 401 and 403, which can cause confusion. It's essential to know what these errors really mean in the context of your app.
  3. Using best practices in API design for Authentication and Authorization is crucial. There are many helpful tools and resources available to make the implementation process smoother.

Scaling human feedback with fine-tuned open-source LLMs

LLMs for Engineers • 59 implied HN points • 30 Jan 24
🕹 Technology Open Source
  1. Fine-tuned open-source models like Llama and Mistral can produce accurate feedback, similar to high-performing custom models. They're a great option for companies needing control over their data.
  2. Using tools like Axolotl and Modal makes it easier to fine-tune these models. They help create customized training jobs and simplify deploying models across multiple GPUs.
  3. Fine-tuning significantly improves the clarity and structure of the model's output. It reduces irrelevant information, allowing for cleaner, more useful results.

Console #190 - Coolest Open Source projects of the week 🔥

Console • 472 implied HN points • 01 Jan 24
🕹 Technology Open Source
  1. The post features coolest open source projects of the week, including mobile apps, music streaming, React, and other software.
  2. Projects like Inure, Plasmic, and Dockge showcase innovative solutions and technologies in the open-source community.
  3. BlackHole, Twenty, and Plate are examples of projects with significant stars and potential impact, like a music player app, a modern alternative to Salesforce, and a rich-text editor for React.

Console #196 - Top Open Source Projects of the Week

Console • 413 implied HN points • 11 Feb 24
🕹 Technology Open Source
  1. Javalin is a simple and modern Java and Kotlin web framework with 6999 stars on GitHub.
  2. Toolong is a Python terminal application for log files, with 737 stars on GitHub.
  3. Popcorn Time is a multi-platform free software BitTorrent client with an integrated media player, and has 8490 stars on GitHub.

The Incompatibility of Open Core and Profit

Bytes, Data, Action! • 109 HN points • 28 Feb 23
🕹 Technology Open Source
  1. Open core business models may have conflicting incentives with profit goals.
  2. Open core companies often start with free products to attract users, then shift focus to monetizing through premium features and services.
  3. There are alternative strategies to align incentives better in open source businesses, such as keeping proprietary data, clear expectations, and open source components.

Launching: Mini Printer Pal!!!

vrk loves paper • 119 implied HN points • 01 Aug 23
🕹 Technology Open Source
  1. Mini Printer Pal is a free tool that helps you edit photos for a specific printer, making printing easier for users.
  2. The creator found joy in working solo after many years of team projects, feeling a sense of accomplishment from start to finish.
  3. Looking ahead, the creator is considering new projects, such as building a fortune-telling device or creating a stationery zine with friends.

Good Enough AI

Teaching computers how to talk • 131 implied HN points • 05 Feb 25
🕹 Technology Open Source
  1. A new AI model called DeepSeek shows that we can create powerful tools without spending too much money. This could change how we think about making AI.
  2. The average person might not notice a big difference between high-end and cheaper AI models. Many consumers just want something that works well and is affordable.
  3. The AI industry might become more competitive and focused on meeting everyday needs instead of creating super advanced technology. This means consumers may benefit more while companies earn less.

DeepSeek-R1: Open model with Reasoning

Gonzo ML • 126 implied HN points • 10 Feb 25
🕹 Technology Open Source
  1. DeepSeek-R1 shows how AI models can think through problems by reasoning before giving answers. This means they can generate longer, more thoughtful responses rather than just quick answers.
  2. This model is a big step for open-source AI as it competes well with commercial versions. The community can improve it further, making powerful tools accessible for everyone.
  3. The training approach used is innovative, focusing on reinforcement learning to teach reasoning without needing a lot of examples. This could change how we train AI in the future.

DeepSeek-V3.2-Speciale, Kling O1+ AI Avatar 2.0 + Video 2.6 + Image O1, Kamo-1, Runway Gen-4.5, Vidi2 by ByteDance, Mistral 3, Lux by OpenAGI, Norton Neo and more

AI Brews • 12 implied HN points • 05 Dec 25
🕹 Technology Open Source
  1. DeepSeek introduced advanced AI models that outperform previous versions in reasoning tasks and excelled in major math competitions.
  2. Runway launched a powerful new video model that leads among AI video generation tools, showing impressive results.
  3. OpenAGI released an efficient model that performs web-based tasks faster and cheaper than major competitors, enhancing productivity for users.

The Sequence Opinion #762: Trillion-Parameter Diplomacy: China, the US, and the Battle for Open Models

TheSequence • 14 implied HN points • 27 Nov 25
🕹 Technology Open Source
  1. The US and China are in a fierce competition to develop open-source AI models. This is leading to rapid advancements and new technologies.
  2. China has made significant progress, with companies like Alibaba creating powerful language models. This raises questions about whether the US can catch up.
  3. The essay provides insights into various models from both countries, examining their features and impacts on the AI community.

Exploring recent Python repositories, part 2

Mostly Python • 628 implied HN points • 29 Jun 23
🕹 Technology Open Source
  1. The post explores new Python repositories that have gained just a small number of stars, filtering out the projects with no attention.
  2. Over 300,000 Python repositories are pushed to GitHub each month, showing the challenge of getting noticed among the vast amount of projects.
  3. Projects with a few stars can still be interesting and worth exploring, like a Pygame project inspired by Factorio.

($) DeepSeek Diffusion

Interconnected • 123 implied HN points • 07 Feb 25
🕹 Technology Open Source
  1. The ongoing discussion about DeepSeek focuses too much on the rivalry between the U.S. and China. It's more about whether technology is open source or closed source.
  2. Open source technology, like DeepSeek, can spread quickly and widely, getting adopted by various companies across the globe.
  3. Major cloud providers, including U.S. companies, are offering DeepSeek models to their customers, showing its significant impact in the tech world.

The Sequence AI of the Week #761: Olmo 3 vs. The Black Box: What a Truly Inspectable LLM Looks Like

TheSequence • 14 implied HN points • 26 Nov 25
🕹 Technology Open Source
  1. Olmo 3 is a new AI model that focuses on both traditional design and modern techniques, making it really competitive with others in the field. It pays attention to how it's built, trained, and shared with the public.
  2. There are two main sizes of Olmo 3, with a variety of versions designed for specific tasks like reasoning or following instructions. Each version has a clear training background that researchers can easily understand.
  3. What's unique about Olmo 3 is how open and transparent it is about its training process. This helps other researchers see exactly how it learns and improves.

The Sequence Opinion #476: The DeepSeek Effect: The Remarkable Innovations and Controversies Surrounding the New Challenger in Open-Source AI

TheSequence • 133 implied HN points • 24 Jan 25
🕹 Technology Open Source
  1. DeepSeek is a new player in open-source AI, quickly gaining attention for its innovative models. They have released powerful AI tools that can think and reason well, challenging the idea that only big models can do this.
  2. The company was founded in May 2023 and has shown rapid progress by continually improving its technology. This quick success highlights their commitment to pushing the limits of AI performance and efficiency.
  3. However, the fast advancements by DeepSeek have raised some controversies. People are discussing the implications of their rapid growth in the AI space, suggesting that it might impact the future of AI development.

($) DeepSeek's Three Idiosyncratic Advantages

Interconnected • 138 implied HN points • 03 Jan 25
🕹 Technology Open Source
  1. DeepSeek-V3 is an AI model that is performing as well or better than other top models while costing much less to train. This means they're getting great results without spending a lot of money.
  2. The AI community is buzzing about DeepSeek's advancements, but there seems to be less excitement about it in China compared to outside countries. This might show a difference in how AI news is perceived globally.
  3. DeepSeek has a few unique advantages that set it apart from other AI labs. Understanding these can help clarify what their success means for the broader AI competition between the US and China.

How your team can use Open Source to improve productivity [Storytime Saturdays]

Technology Made Simple • 99 implied HN points • 07 May 23
🕹 Technology Open Source
  1. Open source solutions can provide quick fixes to problems many consider major. They are readily available and already in use by people.
  2. Business leaders and managers often underestimate the significance of open source in technology. It's a powerful resource that can greatly benefit organizations.
  3. Utilizing open source software has become crucial in the tech industry. Knowing how to leverage it can be a game-changer for tech leaders and businesses.

Dashing Data Viz - Issue 226

Dashing Data Viz • 98 implied HN points • 21 Feb 23
🕹 Technology Open Source
  1. The newsletter shares curated news, articles, and jobs about Data Visualization.
  2. Various tools and resources for enhancing data visualization are highlighted in the newsletter.
  3. The newsletter also features discussions on the impact of AI tools and technologies on data visualization work.

Unscalable *and* effective ⛰

The SaaS Baton • 98 implied HN points • 12 Apr 23
💼 Business Open Source
  1. Not everything needs to be scalable, doing unscalable things can still be effective in startups
  2. Hiring a finance executive early on can bring valuable insights and help with key financial tasks
  3. Monetizing an open-source product through SaaS can present challenges but also lead to product maturity for different use cases