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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 Day 7 of My 90 Days of Python Series

momina raheel (Moona)

Sep 14 '25

Day 7 of My 90 Days of Python Series

#programming #beginners #opensource #python

1 min read

Nirel Nemirovsky

Sep 14 '25

I Just Released My First Open Source AI Agent Error Remediation Tool

#showdev #tooling #ai #opensource

1 min read

Cover image for Notable: Polymorphic Notes for Any Laravel Model

Sep 14 '25

Notable: Polymorphic Notes for Any Laravel Model

#laravel #php #opensource

2 min read

Cover image for How to Activate SSL and Security Headers for WordPress in 2 Clicks

Hovo for Volixta

Oct 6 '25

How to Activate SSL and Security Headers for WordPress in 2 Clicks

#wordpress #webdev #security #opensource

3 min read

Katsu

Oct 4 '25

MCP Server for Accessing Official Language Docs from AI Editors

#mcp #opensource #cursor #docker

4 min read

Havilah Academy

Sep 18 '25

PlotSenseAI Hackathon 2025 commences tomorrow! 🚀

#hackathon #ai #datascience #opensource

1 min read

Cover image for Why We Built Another AI Framework (And Why You Might Care)

Federico Raffoni

Oct 15 '25

Why We Built Another AI Framework (And Why You Might Care)

#ai #python #opensource #programming

5 min read

Cover image for Open Source as a Force Multiplier: How Small Fixes Scale Global Impact

Michael Uanikehi

Oct 19 '25

Open Source as a Force Multiplier: How Small Fixes Scale Global Impact

#discuss #opensource #community #productivity

3 min read

Cover image for Tutorial: Intro to Apache Iceberg with Apache Polaris and Apache Spark

Oct 16 '25

Tutorial: Intro to Apache Iceberg with Apache Polaris and Apache Spark

#bigdata #dataengineering #opensource #tutorial

20 min read

Isaac Lee

Oct 13 '25

Migrating to <template> tag

#ember #javascript #opensource #webdev

8 min read

Cover image for Project Management Systems for Small Businesses: Real Needs from Reddit Users

NocoBase

Sep 15 '25

Project Management Systems for Small Businesses: Real Needs from Reddit Users

#productivity #opensource #lowcode #nocode

8 min read

Hacktoberfest: Contribution Chronicles

Oct 17 '25

From SEO Executive to Open Source Contributor: My Hacktoberfest 2025 Journey Building AI Transparency Tools

#devchallenge #hacktoberfest #opensource

11 min read

Hacktoberfest: Maintainer Spotlight

Oct 17 '25

LLM Brand Visibility Analyzer: Making AI Search Transparency Accessible to Every Brand

#devchallenge #hacktoberfest #opensource

2 min read

Cover image for 🧪 LiteWorkspace: Minimal Context Loading for Faster Spring Tests

monge

Sep 13 '25

🧪 LiteWorkspace: Minimal Context Loading for Faster Spring Tests

#opensource #java #github #tooling

2 min read

Sep 13 '25

logger.ts in mcp-mermaid codebase.

#logger #mcp #opensource #console

2 min read

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