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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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Cover image for Why Messy Discovery Matters

Jan 29

Why Messy Discovery Matters

#webdev #opensource #beginners #learning

3 min read

Dec 26 '25

GLM-4.6V Now on SiliconFlow: Native Multimodal Tool Use Meets SoTA Visual Intelligence

#siliconflow #opensource #vlm #ai

4 min read

Genomorph Pvt. Ltd.

Dec 25 '25

I built a local-first VS Code extension to track my development work

#opensource #vscode #devtools #productivity

1 min read

Unicorn Developer

Jan 29

Silent foe or quiet ally: Brief guide to alignment in C++

#programming #cpp #alignment #opensource

17 min read

Cover image for The Developer's Guide to Generative UI in 2026

Anmol Baranwal for CopilotKit

Jan 29

The Developer's Guide to Generative UI in 2026

#programming #ai #opensource #tutorial

10 min read

Cover image for Stop Letting Your "Useless" Side Projects Die on Your Hard Drive 📦

Georgel

Dec 25 '25

Stop Letting Your "Useless" Side Projects Die on Your Hard Drive 📦

#javascript #webdev #opensource #beginners

2 min read

Apache SeaTunnel

Jan 9

What a Big JSON Incident Taught Us About Apache SeaTunnel Tuning

#seatunnel #programming #opensource #json

5 min read

Cover image for How Bifrost’s MCP Gateway and Code Mode Power Production-Grade LLM Gateways

Hadil Ben Abdallah

Jan 29

How Bifrost’s MCP Gateway and Code Mode Power Production-Grade LLM Gateways

#ai #llm #mcp #opensource

7 min read

Jan 29

I built a visual blog editor because existing CMS options frustrated me

#opensource #nextjs #fastapi #markdown

3 min read

Shashidhar Naik

Jan 29

Build Print-Ready QR Code Layouts (PDF + ZPL) Using Reusable npm Packages

#webdev #productivity #opensource #typescript

3 min read

Cover image for Maestro Flakiness: Source Code Analysis

Om Narayan

Dec 25 '25

Maestro Flakiness: Source Code Analysis

#testing #mobile #opensource #automation

5 min read

Cover image for Stillwater 1.0: Pragmatic Effect Composition and Validation for Rust

Glen Baker

Dec 24 '25

Stillwater 1.0: Pragmatic Effect Composition and Validation for Rust

#rust #functional #validation #opensource

8 min read

Cover image for How LLMs Are Trained: From Petabytes to Parameters

Jan 29

How LLMs Are Trained: From Petabytes to Parameters

#webdev #ai #tutorial #opensource

10 min read

Apache SeaTunnel

Jan 9

Apache SeaTunnel Community Year-End Review 2025

#news #community #dataengineering #opensource

7 min read

Wang Wei

Dec 25 '25

Improving a Section That Caused Repeated Questions

#community #documentation #opensource

1 min read

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