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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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Dec 17 '25

Testing in Umami codebase - Part 1.2

#umami #opensource #testing #architecture

2 min read

Jan 14

Stop Zipping Folders: How I Built a Zero-Trust Tunnel to Share Files Instantly (in Go)

#go #opensource #cli #security

3 min read

Cover image for I Launched a UI Library, Got 100+ Downloads But AI Couldn’t Understand My Docs

Navneet Singh Rajput

Dec 15 '25

I Launched a UI Library, Got 100+ Downloads But AI Couldn’t Understand My Docs

#opensource #react #ai #devto

1 min read

Cover image for Spec-Driven Development: The Future of AI Coding

Taylor Lindores Reeves for Digital Speed

Jan 20

Spec-Driven Development: The Future of AI Coding

#webdev #ai #productivity #opensource

4 min read

Dec 15 '25

I Built CodeContext: An AI-Powered Tool That Analyzes Any Codebase in Seconds

#kotlin #opensource #devtools #ai

5 min read

Cover image for Tired of Switching Tools Just to Write Markdown?

Jan 9

Tired of Switching Tools Just to Write Markdown?

#markdown #react #webdev #opensource

2 min read

Cover image for Kubernetes In-Place Pod Resize

Dec 29 '25

Kubernetes In-Place Pod Resize

#kubernetes #opensource #sre

3 min read

Cover image for Mistral 3 vs Llama 3.1: Open AI Stack for EU SMEs

Dr Hernani Costa

Jan 9

Mistral 3 vs Llama 3.1: Open AI Stack for EU SMEs

#ai #llm #opensource #architecture

5 min read

Yuhao Xu

Jan 20

I Built an Open-Source Cowork in 24 Hours with ZERO Rust Experience — and the Agent Builts Itself

#claude #opensource #ai #rust

2 min read

Dec 16 '25

Testing in Umami codebase - Part 1.1

#umami #opensource #testing #architecture

4 min read

Alan Tsai

Dec 15 '25

An AI Almost Deleted My Code

#ai #opensource #devtools #programming

4 min read

Cover image for Sha1-Hulud 2.0 - The Second Coming: A Technical Breakdown

Minimus

Dec 15 '25

Sha1-Hulud 2.0 - The Second Coming: A Technical Breakdown

#security #opensource #devops #javascript

5 min read

Cover image for Setting up Apache Gravitino from Scratch

Datastrato for Apache Gravitino

Jan 20

Setting up Apache Gravitino from Scratch

#opensource #metadata #agenticai #gravitino101

7 min read

Cover image for High-performance cross-platform Linux server manager Docker/SSH/SFTP) built with Tauri (Rust) and React.

Dec 20 '25

High-performance cross-platform Linux server manager Docker/SSH/SFTP) built with Tauri (Rust) and React.

#tooling #devops #opensource #linux

2 min read

Cover image for Syllable: A Non-POSIX Operating System That Refused to Become Unix

Dec 30 '25

Syllable: A Non-POSIX Operating System That Refused to Become Unix

#architecture #computerscience #opensource

2 min read

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