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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 I Turned LangChain JS Into a Simple Learning Path — Free & Open Source

iparesh18

Nov 26 '25

I Turned LangChain JS Into a Simple Learning Path — Free & Open Source

#langchain #opensource #ai #webdev

1 min read

Cover image for Skip the Boilerplate: Build Vue 3 SaaS Apps with Ready-Made Clerk Authentication

Dec 19 '25

Skip the Boilerplate: Build Vue 3 SaaS Apps with Ready-Made Clerk Authentication

#vue #opensource #clerk #frontend

2 min read

Jan 5

Engineering a High-Performance, Opinionated Pupillometry Preprocessing Framework in R

#r #opensource #signalprocessing #datapipelines

11 min read

Cover image for MCP Wins, But the War Just Started: Why Standardization Won't Save Us from Lock-in

Dec 9 '25

MCP Wins, But the War Just Started: Why Standardization Won't Save Us from Lock-in

#discuss #ai #mcp #opensource

5 min read

Arvind SundaraRajan

Nov 27 '25

Unlocking Algorithmic Elegance: AI's Blind Spot and the Power of Evolutionary Mappings by Arvind Sundararajan

#ai #algorithms #opensource #research

2 min read

Cover image for I spent a week working on regression tests & metadata guarantees on the YINI config/settings parser

Dec 31 '25

I spent a week working on regression tests & metadata guarantees on the YINI config/settings parser

#sideprojects #opensource #node #programming

2 min read

Dec 30 '25

The £100k+ DevOps Engineer is Dead. Long Live the Platform Engineer.

#devops #dohackathon #productivity #opensource

3 min read

Reklamof

Dec 31 '25

Stop Hardcoding "Legal Mentions" in Next.js 🇪🇺 (Open Source Component)

#nextjs #opensource #webdev #reklamof

2 min read

Cover image for MenuetOS KolibriOS: A Non-POSIX Operating System Built in Assembly

⠀

Dec 30 '25

MenuetOS KolibriOS: A Non-POSIX Operating System Built in Assembly

#opensource #architecture #performance #programming

3 min read

Cover image for I Got Tired of JavaScript's Date API So I Fixed It

Wiz

Dec 9 '25

I Got Tired of JavaScript's Date API So I Fixed It

#javascript #typescript #npm #opensource

4 min read

Cover image for SerenityOS: A Modern Operating System Built to Be Understood

⠀

Dec 30 '25

SerenityOS: A Modern Operating System Built to Be Understood

#computerscience #learning #opensource #architecture

2 min read

Nov 26 '25

I Built an Open-Source Tool for Debugging Kubernetes Agentically

#kubernetes #opensource #ai #devops

3 min read

Cover image for Open-Weight AI for High-Quality Image Generation & Editing

Sophia

Nov 26 '25

Open-Weight AI for High-Quality Image Generation & Editing

#ai #deeplearning #opensource

4 min read

team-trayd

Dec 30 '25

I Built an MCP Server to Trade Robinhood Through Claude Code

#ai #mcp #opensource #tutorial

1 min read

fmerian

Nov 27 '25

Launched Ultracite on Product Hunt twice. Here's what I learned.

#showdev #opensource #marketing

2 min read

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