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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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Michael "Mike" K. Saleme

Mar 30

Agent Systems Are Failing at Trust Boundaries. We Ran 332 Tests to Prove It.

#security #ai #opensource #python

6 min read

tomasz dobrowolski

Mar 26

FlashAlpha Python SDK: Open-Source Tools for Options Analytics

#python #trading #opensource #tutorial

7 min read

Mar 27

A Substack MCP Should Give You Visibility, Not Just Draft Creation

#mcp #automation #opensource #ai

1 min read

Yanko Alexandrov

Mar 26

Why I Switched from Cloud AI to a Dedicated AI Box (And Why You Should Too)

#ai #selfhosted #opensource #iot

5 min read

KevinTen

Mar 26

I built an AI agent for my dog after forgetting his vet appointment (again)

#ai #opensource #pets #productivity

6 min read

Cover image for We Deserve Better Than JSON as a DSL

Mar 30

We Deserve Better Than JSON as a DSL

#opensource #webdev #ai #programming

4 min read

Mar 26

Local LLM Video Captioning: Private, Powerful, Open-Source

#ai #llm #opensource #privacy

6 min read

Cover image for Air-Gapped AI Solutions: 7 Platforms for Disconnected Enterprise Deployment (2026)

Mar 26

Air-Gapped AI Solutions: 7 Platforms for Disconnected Enterprise Deployment (2026)

#ai #opensource #cloud #devops

10 min read

Art

Mar 26

The Day the AI Said "Aho" Back

#ai #writing #opensource #philosophy

4 min read

Cover image for I built a reverse proxy to stop adblockers from eating my analytics

Raj Nandan Sharma

Mar 26

I built a reverse proxy to stop adblockers from eating my analytics

#opensource #analytics #docker #webdev

4 min read

Cover image for The Agentic Web Needs Evolution Infrastructure

Rotifer Protocol

Mar 30

The Agentic Web Needs Evolution Infrastructure

#ai #webdev #evolution #opensource

4 min read

Mar 25

I Built a Nervous System for AI Agents (Not Another Memory Store)

#ai #python #mcp #opensource

5 min read

Cover image for AI writes code fast. But who checks the architecture?

Mushegh Gevorgyan

Mar 25

AI writes code fast. But who checks the architecture?

#opensource #typescript #ai #webdev

3 min read

Cover image for DB data migration is a pain

Mar 26

DB data migration is a pain

#sql #java #database #opensource

2 min read

Mar 27

Typesense Has a Free Open-Source Search Engine Built for Speed

#opensource #search #webdev #javascript

3 min read

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