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Open Source

May The Source Be With You! Articles about Open Source and Free Software as a philosophy, and its application to software development and project management.

submission guidelines

UPDATED APRIL 8, 2020

To keep this tag clean and meaningful, please ensure your post fits into at least one of the following categories:

Organizing, managing, running, or working in an Open Source project.
Open Source philosophy, licensing, and/or practical and legal topics thereof.
Advocacy and adoption of Open Source philosophy.

DO NOT use this tag if you are simply using technologies which happen to be open source.

You should NOT use this tag for any of the following:

Promoting open source projects, such as feature lists or announcements. (Use #news or Listings.)
Contributor requests. (Use #contributorswanted or Listings.)
Tutorials/articles that happen to use an open source tool. (Use appropriate technology tags.)
Showing off something you've built that happens to be open source. (Use the #showdev tag.)
Sharing lists of open source projects. (Use #githunt or the appropriate technology tags.)

Projects must comply with the Open Source Definition (see below) to legally use the term "open source".

As all "Free Software" officially complies with the standards of Open Source anyway, this tag covers both (collectively, FOSS).

about #opensource

Open Source is so much more than "you can read the code". It is formally defined by the Open Source Initiative.

"Open Source" should not be confused with the similar Free Software, which is defined by the Free Software Foundation. Generally, all Free Software is also Open Source, and the two camps often cooperate; however, the concepts are distinct! (The tags are merged here on DEV.to for simplicity, however.)

Open Source Hardware is defined and overseen by the Open Source Hardware Assocation

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May 5

Why I spun my benchmark into its own repo (and why every dev tool with a benchmark should)

#opensource #benchmarking #devtools #ai

4 min read

Cover image for [Event] Heading to DrupalSouth Wellington? Let's connect! 🇳🇿

Flora Brandão for Upsun

May 6

[Event] Heading to DrupalSouth Wellington? Let's connect! 🇳🇿

#drupal #drupalsouth #opensource

1 min read

Cover image for One Open Source Project a Day (No. 57): Symphony - OpenAI's Official Spec for Scaling AI Agents

WonderLab

May 6

One Open Source Project a Day (No. 57): Symphony - OpenAI's Official Spec for Scaling AI Agents

#opensource #openai #agents #elixir

4 min read

Mike W

May 6

I built a self-evolving agent network — here's the architecture

#ai #agents #python #opensource

3 min read

May 5

Made my site AI-citable in one day — the .well-known + JSON-LD + llms.txt playbook

#ai #seo #webdev #opensource

3 min read

Cover image for llobster — AI-powered web security scanner, fully self-hosted published: true

Cloud9's

May 5

llobster — AI-powered web security scanner, fully self-hosted published: true

#ai #security #opensource #python

1 min read

May 5

I built a production-ready RAG backend (because most examples break in real life)

#showdev #backend #opensource #rag

1 min read

Cover image for Your AI Assistant Knows Your Code But Not Your Architecture

Siddharth Pandey

May 10

Your AI Assistant Knows Your Code But Not Your Architecture

#ai #opensource #architecture #typescript

3 min read

Cover image for Try the MindMapVault FOSS Interactive Canvas (Privacy‑First, Local‑Only Mind Mapping)

May 6

Try the MindMapVault FOSS Interactive Canvas (Privacy‑First, Local‑Only Mind Mapping)

#devjournal #productivity #opensource #privacy

2 min read

Cover image for DeepSeek V4: What's Inside, How It Compares, and Where It Actually Wins

Mixture of Experts

May 7

DeepSeek V4: What's Inside, How It Compares, and Where It Actually Wins

#opensource #ai #deepseek

9 min read

Vilius

May 5

I Built Infrastructure for 20 AI Agents That Run Themselves — For €4.57/Month

#ai #agents #opensource #devops

3 min read

Cover image for Integrating ETimeOffice Attendance API with Python and Django

Sreethul

May 10

Integrating ETimeOffice Attendance API with Python and Django

#python #biometric #opensource #api

2 min read

May 5

Catch Agent Mistakes Before They Execute: Agent Verifier + Conduct

#agents #opensource #security #tutorial

12 min read

Cover image for Why Your Smart Home AI Can't Open the Door in an Emergency (And How to Fix It)

Rodrigo Giuliani

May 5

Why Your Smart Home AI Can't Open the Door in an Emergency (And How to Fix It)

#iot #opensource #python #smarthome

6 min read

Limen4ik

May 5

How Two 13-Year-Olds Distilled DeepSeek-V4 Reasoning into Qwen3.5-2B

#ai #opensource #machinelearning #python

2 min read

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