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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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Ali

Dec 20 '25

A small UX change that immediately reduced user confusion

#ux #buildinpublic #webdev #opensource

2 min read

Jan 9

🚀 Stop drowning in Tabs: Meet Noi, the Open Source Browser Built for AI

#ai #opensource #productivity #nocode

3 min read

Dec 8 '25

Introducing Constructivist AI: A New Approach to AI

#ai #programming #java #opensource

2 min read

Cover image for 2025 Year in Review: Apache Iceberg, Polaris, Parquet, and Arrow

Dec 29 '25

2025 Year in Review: Apache Iceberg, Polaris, Parquet, and Arrow

#architecture #bigdata #opensource #dataengineering

6 min read

Cover image for Story of T-Apex: Zero Ideas, 24 Hours, and One Crazy Pivot to the Top 10.

Jan 10

Story of T-Apex: Zero Ideas, 24 Hours, and One Crazy Pivot to the Top 10.

#discuss #ai #opensource #coding

2 min read

Cover image for MomentoMonto

Haroon K M

Jan 11

MomentoMonto

#networking #analytics #python #opensource

2 min read

jacobgadek

Jan 10

How to Handle Authentication for AI Agents (Without Hardcoding Cookies)

#ai #python #security #opensource

2 min read

probex

Jan 11

New programming language by me

#dsl #softwaredevelopment #compiling #opensource

1 min read

Cover image for 11 Years on a Hobby Project: SymOntoClay Dev Journal

Sergiy Tolkachov

Jan 10

11 Years on a Hobby Project: SymOntoClay Dev Journal

#devjournal #opensource #dsl #gamedev

4 min read

Cover image for From School Websites to Something Real: The Day PC_Workman Got Its First Dedicated Home

Jan 10

From School Websites to Something Real: The Day PC_Workman Got Its First Dedicated Home

#buildinpublic #programming #opensource #ai

3 min read

Dec 8 '25

PDF Power-Up: Merge, Reorder, and Decrypt PDFs with a Local Python App

#pdf #pdfmerging #python #opensource

5 min read

Cover image for Stop Overengineering Your Python Schedulers — Here's the Cleaner Way

Michiel

Jan 10

Stop Overengineering Your Python Schedulers — Here's the Cleaner Way

#python #opensource #fastapi #scheduling

3 min read

Davide

Jan 10

I Built a Zuora Workflow Manager with Laravel 12 + Filament (Full Tech Stack Walkthrough)

#laravel #php #filament #opensource

10 min read

Cover image for Why I Rewrote Portage in Go: Introducing GRPM v0.1.0

Jan 8

Why I Rewrote Portage in Go: Introducing GRPM v0.1.0

#go #linux #opensource #programming

5 min read

Cover image for Stop pasting sensitive code into random websites. I built a privacy-first alternative. 🚀

Jan 10

Stop pasting sensitive code into random websites. I built a privacy-first alternative. 🚀

#showdev #webdev #programming #opensource

2 min read

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