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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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Dakshin G

May 13

Kafka Under the Hood: A Visual Guide to KRaft and Internal Architecture (2026)

#kafka #architecture #eventdriven #opensource

1 min read

Cover image for Every AI toolchain is inventing its own safety layer.

May 12

Every AI toolchain is inventing its own safety layer.

#ai #security #opensource #javascript

6 min read

May 12

Built a Modern Web Metrics Dashboard for Real-Time Performance Monitoring

#webdev #javascript #programming #opensource

1 min read

monkeymore studio

May 13

The Story of VLC: How a Traffic Cone Took Over the World

#networking #opensource #software

12 min read

Cover image for 🧅 Arti: Why Tor’s Rust Rewrite Continues to Excite (and the Challenges Ahead)

knspar

May 12

🧅 Arti: Why Tor’s Rust Rewrite Continues to Excite (and the Challenges Ahead)

#rust #tor #privacy #opensource

2 min read

Fayaz Bin Salam

May 12

I built MacJuiceMonitor — a free macOS menu bar app for Bluetooth device battery levels

#macos #electron #typescript #opensource

2 min read

Cover image for Can AI Make Legal Work Less Painful? Join Rhett's Legal-Tech Hackathon

Team Rhett

May 12

Can AI Make Legal Work Less Painful? Join Rhett's Legal-Tech Hackathon

#ai #hackathon #opensource #machinelearning

2 min read

Cover image for Filing my first security advisory

May 12

Filing my first security advisory

#security #rust #opensource #dependabot

8 min read

Cover image for ML fraud detection platform using AI agents

Souptik Chakraborty

May 12

ML fraud detection platform using AI agents

#ai #beginners #opensource

7 min read

May 12

Capture and Replay: Testing Security Policy Without Production Risk

#security #ai #opensource #devops

8 min read

Trương Minh Sơn

May 12

# Building a Full Evaluation and Guardrail System for a RAG App

#ai #productivity #python #opensource

3 min read

Cover image for One Open Source Project a Day (No. 64): Easy-Vibe - Datawhale's AI-Era Programming Curriculum

WonderLab

May 13

One Open Source Project a Day (No. 64): Easy-Vibe - Datawhale's AI-Era Programming Curriculum

#opensource #ai #vibecoding #claude

8 min read

May 12

The hard part of AI agents is not building one. It is operating five.

#devops #agents #opensource #ai

3 min read

Vilius

May 12

Building Is Hard. Reaching Out Is Harder.

#ai #agents #opensource #community

1 min read

hyhmrright

May 13

brooks-lint: AI Code Reviews Grounded in 12 Classic Engineering Books — Now on Gemini CLI Spotlight

#opensource #productivity #codetool #ai

2 min read

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