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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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Nov 26

I Built an Open-Source Tool for Debugging Kubernetes Agentically

#kubernetes #opensource #ai #devops

3 min read

Julian Li

Nov 25

New repository engagements page on trendshift.io

#showdev #product #github #opensource

2 min read

Cover image for Introducing Redenv - A Zero-Knowledge, End-to-End Encrypted Secret Manager Built for the Serverless Era

PRAS Samin

Nov 25

Introducing Redenv - A Zero-Knowledge, End-to-End Encrypted Secret Manager Built for the Serverless Era

#redenv #serverless #opensource #javascript

2 min read

Cover image for We had enough of brainrot. We built a terminal app for Instagram to stop that.

Jet Chiang

Nov 25

We had enough of brainrot. We built a terminal app for Instagram to stop that.

#programming #react #opensource #cli

2 min read

Nov 25

Is it time to introduce milkadmin?

#webdev #php #wordpress #opensource

3 min read

Nov 24

Building Container Images Without Docker: Introducing pycontainer-build

#python #docker #devops #opensource

6 min read

Cover image for Optimizing Kafka Tracing with OpenTelemetry: Boost Visibility & Performance

Harry Kimpel for New Relic

Nov 25

Optimizing Kafka Tracing with OpenTelemetry: Boost Visibility & Performance

#kafka #opentelemetry #newrelic #opensource

6 min read

Sophia

Nov 25

sam3d Under the Hood: How Meta’s Model Makes Single-Image 3D Reconstruction Accessible to Developers

#ai #machinelearning #opensource

3 min read

Phil Yeh

Nov 25

Stop decoding Hex manually. I built a Python J1939 Sniffer with a GUI (No Hardware Needed)

#python #automation #engineering #opensource

2 min read

Abhinav

Nov 24

Shipping 1.0.0: From Local Repo to a Published Python Package

#python #cli #opensource

3 min read

Cover image for Building SynthDB: A Context-Aware Database Seeder in Rust (and Why I Need Your Help!)

Nov 25

Building SynthDB: A Context-Aware Database Seeder in Rust (and Why I Need Your Help!)

#postgres #testing #rust #opensource

3 min read

Cover image for Santa Came Early: I Just Published a Rust Crate and CLI Tool to Take Care of AI Markdown Citations for Good

Nov 25

Santa Came Early: I Just Published a Rust Crate and CLI Tool to Take Care of AI Markdown Citations for Good

#rust #markdown #ai #opensource

10 min read

Cover image for why i built yet another todo app

Nov 24

why i built yet another todo app

#showdev #opensource #productivity #localfirst

4 min read

Nov 24

Update: More CIR PR's and Release 0.3

#cpp #devjournal #opensource

2 min read

Cover image for Terminal Micro ENGINE | A tiny DOS-style game engine

Nov 25

Terminal Micro ENGINE | A tiny DOS-style game engine

#programming #software #gamedev #opensource

1 min read

Cover image for Vargula: Terminal Styling with Color Theory & Accessibility Built In

Sivaprasad Murali

Nov 24

Vargula: Terminal Styling with Color Theory & Accessibility Built In

#python #terminal #tutorial #opensource

6 min read

Cover image for Stop Paying for SaaS: The Ultimate Open Source "Free Stack" 💸

Nov 24

Stop Paying for SaaS: The Ultimate Open Source "Free Stack" 💸

#showdev #opensource #productivity #webdev

2 min read

Nov 25

YouTube Vanced in 2025: Dead, But Its Spirit Lives in ReVanced

#google #android #opensource #tooling

4 min read

Cover image for Building Live Code Knowledge Graph: AST Layer Is Coming Alive

Nov 24

Building Live Code Knowledge Graph: AST Layer Is Coming Alive

#secrin #ai #architecture #opensource

1 min read

Cover image for Apache Dev List Digest: Iceberg, Polaris, Arrow & Parquet (Nov 18–24, 2025)

Nov 24

Apache Dev List Digest: Iceberg, Polaris, Arrow & Parquet (Nov 18–24, 2025)

#data #dataengineering #opensource #resources

5 min read

Cover image for A Developer’s Technical Decision Guide to No-Code and Low-Code (2026)

NocoBase

Nov 25

A Developer’s Technical Decision Guide to No-Code and Low-Code (2026)

#opensource #ai #lowcode #nocode

6 min read

Cover image for Teaching AI to Read Emotions: Science, Challenges, and Innovation Behind Facial Emotion Detection with YOLOv11 on Raspberry Pi

Malar Kondappan

Nov 24

Teaching AI to Read Emotions: Science, Challenges, and Innovation Behind Facial Emotion Detection with YOLOv11 on Raspberry Pi

#raspberrypi #computervision #yolo11 #opensource

4 min read

Cover image for Building a Password Strength Analyzer with Entropy and Crack Time for Beginners

Malar Kondappan

Nov 24

Building a Password Strength Analyzer with Entropy and Crack Time for Beginners

#security #webdev #opensource #javascript

5 min read

Sui Gn

Nov 24

Declarative Identity and Emergent Semantic Spaces (Tech Spec)

#webdev #programming #blockchain #opensource

3 min read

Astolfu

Nov 25

Made a tool to detect copied/altered pixel art

#webdev #programming #javascript #opensource

1 min read

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