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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 How to Build Custom Open WebUI Themes

Jul 28 '25

How to Build Custom Open WebUI Themes

#css #webdev #opensource #tutorial

3 min read

GitHubOpenSource

Aug 4 '25

BookLore: Your Personal Library, Reimagined

#book #ebook #selfhosted #opensource

3 min read

Aki for AWS Community Builders

Aug 4 '25

Building a CLI Tool to Visualize AWS Iceberg Table Snapshot History

#aws #iceberg #opensource

7 min read

Cover image for CLI tool: zipline/backtrader/vectorbt/backtesting.py --> Alpaca/IBKR in 10 seconds

Samuel EF. Tinnerholm

Jul 1 '25

CLI tool: zipline/backtrader/vectorbt/backtesting.py --> Alpaca/IBKR in 10 seconds

#python #fintech #opensource #algotrading

1 min read

Laurent Quastana

Jul 1 '25

Mapping a Hospital Information System

#architecture #healthcare #opensource

2 min read

Cover image for Replyke vs Disqus: Complete Guide to Website Commenting Systems in 2025

Tsabary

Jul 1 '25

Replyke vs Disqus: Complete Guide to Website Commenting Systems in 2025

#webdev #mobile #react #opensource

5 min read

Chen Debra

Jul 1 '25

6 Common SQL Operation Tips in DolphinScheduler

#sql #apachedolphinscheduler #opensource #bigdata

3 min read

jxlee007

Aug 4 '25

Why I’m Ditching OpenCode and Moving to Gemini CLI

#gemini #terminal #opensource #webdev

3 min read

Soumyajyoti Mahalanobish

Jul 1 '25

Monitoring Celery Workers with Flower: Your Tasks Need Babysitting

#opensource #python #monitoring #sitereliabilityengineering

8 min read

Cover image for I built a reactive no-code flow engine that runs entirely in your browser, no login, no backend

SteamPixel

Jul 5 '25

I built a reactive no-code flow engine that runs entirely in your browser, no login, no backend

#showdev #opensource #nocode #webdev

2 min read

Jun 30 '25

🌟 5 Things I Wish I Knew Before Starting Freelancing as a Teen Designer

#opensource #career #coding #ai

2 min read

Jul 5 '25

Choosing the Right Library Still Sucks — Here’s How I’m Using AI to Fix It

#webdev #ai #productivity #opensource

2 min read

Jun 30 '25

Free Online Tools for Developers

#webdev #discord #javascript #opensource

1 min read

Quantum Risk Analytics, Inc

Jun 30 '25

Try Pandemonium: A Real-Time COVID Risk App that needs your feedback

#opensource #webdev #programming #python

1 min read

Cover image for 🚀 Introducing RepoReaper – Delete Multiple GitHub Repos in One Go

Kanak

Aug 3 '25

🚀 Introducing RepoReaper – Delete Multiple GitHub Repos in One Go

#webdev #github #productivity #opensource

2 min read

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