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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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Oct 13 '25

OSD600 Lab 5: Git rebases

#git #opensource #tutorial

1 min read

Cover image for The Dark Era of AI: The AI That Could Do Anything

Oct 13 '25

The Dark Era of AI: The AI That Could Do Anything

#ai #security #webdev #opensource

1 min read

Anshuman

Oct 13 '25

A Complete Guide to Exploratory Factor Analysis (EFA) in R

#ai #opensource

6 min read

Nov 15 '25

The Open Source PR code review copilot for Gitlab & ADO that Supports Ollama (without CI/CD setup)

#opensource #ai #productivity #ollama

2 min read

Harriet

Nov 15 '25

Web3!

#blockchain #web3 #opensource #community

3 min read

Aviral Srivastava

Oct 11 '25

Big Data Processing (Hadoop, Spark)

#dataengineering #datascience #opensource

5 min read

Ateeb Ur Rahmaan

Oct 11 '25

npm-ai-hooks: Inject LLM behavior into any TS function with one line

#opensource #ai #node #typescript

1 min read

Cover image for My Hacktoberfest 2025 Journey: Empowering Open Source Through Documentation

Hacktoberfest: Contribution Chronicles

Oct 11 '25

My Hacktoberfest 2025 Journey: Empowering Open Source Through Documentation

#devchallenge #hacktoberfest #opensource #learning

2 min read

ObservabilityGuy

Oct 17 '25

Alibaba Cloud Open-Sources LoongSuite: Crafting A High-Performance, Low-cost Observable Data Collection Suite for the AI Era

#opensource

13 min read

Coxlee Anthony Hubilla

Oct 11 '25

🔶 Introducing RestShape — GraphQL-Style Data Shaping for REST APIs

#restapi #webdev #graphql #opensource

3 min read

Cover image for Introducing Snip: The CLI Note-Taking Tool That's 42x Faster Than Everything Else

Marinho

Oct 11 '25

Introducing Snip: The CLI Note-Taking Tool That's 42x Faster Than Everything Else

#opensource #productivity #programming

4 min read

Oct 11 '25

Why MCP Matters in the AI Ecosystem

#ai #mcp #development #opensource

4 min read

Cover image for 🚀 Building a CSS DevTool in Public (6 Hours/Week Challenge)

Oct 15 '25

🚀 Building a CSS DevTool in Public (6 Hours/Week Challenge)

#css #webdev #opensource #programming

1 min read

Oct 10 '25

What Every Developer Should Know About AI in 2025

#ai #webdev #developer #opensource

3 min read

Cover image for Why I Built an Open-Source Kit to Help Demystify OWASP ASVS Compliance

Kay A

Oct 10 '25

Why I Built an Open-Source Kit to Help Demystify OWASP ASVS Compliance

#opensource #security #tooling

2 min read

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